Bump build number

.gitignore

@@ -1,4 +1,5 @@
 DerivedData/
 .DerivedData/
 .DS_Store
-xcuserdata/
+xcuserdata/
+/research/

NearbyShare/Model/DataModel.swift

@@ -254,27 +254,27 @@ public struct TransferMetadata {
         let type = UTType(mimeType: mimeType) ?? UTType(filenameExtension: ext)
 
         if let type, type.conforms(to: .pdf) {
-            return UTType.pdf.localizedDescription ?? "PDF"
+            return "PDF".localized()
         }
         if let type, type.conforms(to: .image) {
-            return UTType.image.localizedDescription ?? "Image"
+            return "Image".localized()
         }
         if let type, type.conforms(to: .video) || type.conforms(to: .movie) {
-            return UTType.video.localizedDescription ?? "Video"
+            return "Video".localized()
         }
         if let type, type.conforms(to: .audio) {
-            return UTType.audio.localizedDescription ?? "Audio"
+            return "Audio".localized()
         }
         if let type, type.conforms(to: .text) {
-            return UTType.text.localizedDescription ?? "Text"
+            return "Text".localized()
         }
         if let type, type.conforms(to: .archive) {
-            return UTType.archive.localizedDescription ?? "Archive"
+            return "Archive".localized()
         }
         if let type, let description = type.localizedDescription {
             return description
         }
-        return "File"
+        return "File".localized()
     }
     
     public func getDescription(deviceName: String) -> String {

QuickDrop.xcodeproj/project.pbxproj

@@ -28,6 +28,19 @@
 		A1F5B3DC2F3A1A0100A1B2C7 /* PairingToken.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D82F3A1A0100A1B2C3 /* PairingToken.swift */; };
 		A1F5B3DD2F3A1A0100A1B2C8 /* PairingQrSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D92F3A1A0100A1B2C4 /* PairingQrSheetManager.swift */; };
 		A1F5B3DE2F3A1A0100A1B2C9 /* PairingQrSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1F5B3D92F3A1A0100A1B2C4 /* PairingQrSheetManager.swift */; };
+		A3D000000000000000000202 /* BluetoothPermissionManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A3D000000000000000000002 /* BluetoothPermissionManager.swift */; };
+		A3D000000000000000000203 /* BluetoothPermissionManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A3D000000000000000000002 /* BluetoothPermissionManager.swift */; };
+		A6D000000000000000000101 /* AndroidAirDropModeDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = A6D000000000000000000001 /* AndroidAirDropModeDetector.swift */; };
+		A6D000000000000000000102 /* AndroidAirDropModeDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = A6D000000000000000000001 /* AndroidAirDropModeDetector.swift */; };
+		A6D000000000000000000201 /* AndroidAirDropModeDetectorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A6D000000000000000000002 /* AndroidAirDropModeDetectorTests.swift */; };
+		A7D000000000000000000101 /* AndroidAirDropModeIssueView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */; };
+		A7D000000000000000000102 /* AndroidAirDropModeIssueView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */; };
+		A7D000000000000000000103 /* AndroidAirDropModeIssueView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */; };
+		A7D000000000000000000104 /* AndroidAirDropModeIssueView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */; };
+		A8D000000000000000000101 /* BluetoothPermissionManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = A3D000000000000000000002 /* BluetoothPermissionManager.swift */; };
+		A8D000000000000000000102 /* AndroidAirDropModeDetector.swift in Sources */ = {isa = PBXBuildFile; fileRef = A6D000000000000000000001 /* AndroidAirDropModeDetector.swift */; };
+		A8D000000000000000000103 /* AndroidAirDropModeIssueView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */; };
+		A8D000000000000000000104 /* IssueView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EBC05C7F2E33B58300EECC18 /* IssueView.swift */; };
 		EB05DFBE2E59FC8900EF567A /* TrustedDevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */; };
 		EB05DFBF2E59FD0A00EF567A /* TrustedDevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */; };
 		EB05DFC02E5A2EAA00EF567A /* TrustedDevicesView.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */; };
@@ -246,6 +259,10 @@
 		EB5C383F2E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
 		EB5C38402E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
 		EB5C38412E38C49D0052EFD7 /* LaunchAtLogin.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */; };
+		EB63EDB72FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB63EDB62FF42390000CC61F /* ModelessAlertPresenter.swift */; };
+		EB63EDB92FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB63EDB62FF42390000CC61F /* ModelessAlertPresenter.swift */; };
+		EB63EDBA2FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB63EDB62FF42390000CC61F /* ModelessAlertPresenter.swift */; };
+		EB63EDBB2FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB63EDB62FF42390000CC61F /* ModelessAlertPresenter.swift */; };
 		EB6E51A52F2F9370006D9812 /* IntroductionSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */; };
 		EB6E51A62F2F9370006D9812 /* IntroductionSheetManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */; };
 		EB6E51AB2F311ED4006D9812 /* QuickDropIcon.icon in Resources */ = {isa = PBXBuildFile; fileRef = EB721F232E75AFA900F2099F /* QuickDropIcon.icon */; };
@@ -382,6 +399,13 @@
 			remoteGlobalIDString = 699DEBA02AB0573200115D22;
 			remoteInfo = ShareExtension;
 		};
+		E14627D44A6E1CA296A9A53D /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 69DA9A0629E0BF5100A442DA /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 69DA9A0D29E0BF5100A442DA;
+			remoteInfo = QuickDrop;
+		};
 		EB3B9F8C2EF7153000D6704E /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 69DA9A0629E0BF5100A442DA /* Project object */;
@@ -495,6 +519,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		156115A05E122702111639A0 /* QuickDropTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = QuickDropTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		691F53B92ABB70840089FD92 /* DeviceListCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DeviceListCell.swift; sourceTree = "<group>"; };
 		691F53BA2ABB70840089FD92 /* DeviceListCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = DeviceListCell.xib; sourceTree = "<group>"; };
 		691F53BD2ABF03820089FD92 /* OutboundNearbyConnection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OutboundNearbyConnection.swift; sourceTree = "<group>"; };
@@ -523,6 +548,10 @@
 		A1C0DE152F4C000100ABC001 /* ClipboardSyncNotificationPresenter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ClipboardSyncNotificationPresenter.swift; sourceTree = "<group>"; };
 		A1F5B3D82F3A1A0100A1B2C3 /* PairingToken.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PairingToken.swift; sourceTree = "<group>"; };
 		A1F5B3D92F3A1A0100A1B2C4 /* PairingQrSheetManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PairingQrSheetManager.swift; sourceTree = "<group>"; };
+		A3D000000000000000000002 /* BluetoothPermissionManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BluetoothPermissionManager.swift; sourceTree = "<group>"; };
+		A6D000000000000000000001 /* AndroidAirDropModeDetector.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AndroidAirDropModeDetector.swift; sourceTree = "<group>"; };
+		A6D000000000000000000002 /* AndroidAirDropModeDetectorTests.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; path = AndroidAirDropModeDetectorTests.swift; sourceTree = "<group>"; };
+		A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AndroidAirDropModeIssueView.swift; sourceTree = "<group>"; };
 		EB05DFBD2E59FC8000EF567A /* TrustedDevicesView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrustedDevicesView.swift; sourceTree = "<group>"; };
 		EB0A22E22FBCF59300B78FF5 /* NearbyBonjourServiceResolver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NearbyBonjourServiceResolver.swift; sourceTree = "<group>"; };
 		EB1325D22E701D8900FD749C /* Settings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Settings.swift; sourceTree = "<group>"; };
@@ -550,6 +579,7 @@
 		EB5C37E22E377C2E0052EFD7 /* QuickDropiOS.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = QuickDropiOS.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		EB5C38382E38C1F60052EFD7 /* justMaybe.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; path = justMaybe.mp3; sourceTree = "<group>"; };
 		EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LaunchAtLogin.swift; sourceTree = "<group>"; };
+		EB63EDB62FF42390000CC61F /* ModelessAlertPresenter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ModelessAlertPresenter.swift; sourceTree = "<group>"; };
 		EB6E51A42F2F9370006D9812 /* IntroductionSheetManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IntroductionSheetManager.swift; sourceTree = "<group>"; };
 		EB6E6B202ECBA95000E71D57 /* InfoPlist.xcstrings */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; path = InfoPlist.xcstrings; sourceTree = "<group>"; };
 		EB6F62D62D91F4AC00534EC2 /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
@@ -673,6 +703,13 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		F5F5F63DAC90375051BA9F4E /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
@@ -713,6 +750,7 @@
 				EBC05C8B2E33B59E00EECC18 /* Resources */,
 				EB3B9F492EF7150400D6704E /* QuickDrop copy-Info.plist */,
 				EB3B9F8A2EF7151900D6704E /* QuickDropShareExtension copy-Info.plist */,
+				9E6A957675D279417AA88926 /* QuickDropTests */,
 			);
 			sourceTree = "<group>";
 		};
@@ -725,6 +763,7 @@
 				EB950B2D2E52027F002D68FA /* iOSShareExtension.appex */,
 				EB3B9F482EF7150400D6704E /* QuickDropGitHub.app */,
 				EB3B9F892EF7151900D6704E /* QuickDropShareExtensionGitHub.appex */,
+				156115A05E122702111639A0 /* QuickDropTests.xctest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -770,6 +809,14 @@
 			path = NearbyShare;
 			sourceTree = "<group>";
 		};
+		9E6A957675D279417AA88926 /* QuickDropTests */ = {
+			isa = PBXGroup;
+			children = (
+				A6D000000000000000000002 /* AndroidAirDropModeDetectorTests.swift */,
+			);
+			path = QuickDropTests;
+			sourceTree = "<group>";
+		};
 		A1F5B3DA2F3A1A0100A1B2C5 /* Pairing */ = {
 			isa = PBXGroup;
 			children = (
@@ -944,14 +991,17 @@
 		EBC05C6B2E33B57100EECC18 /* Util */ = {
 			isa = PBXGroup;
 			children = (
+				A3D000000000000000000002 /* BluetoothPermissionManager.swift */,
 				A1C0DE102F4C000100ABC001 /* ClipboardSyncCoordinator.swift */,
 				A1C0DE152F4C000100ABC001 /* ClipboardSyncNotificationPresenter.swift */,
 				EB1325F72E70287C00FD749C /* SendToExtension.swift */,
 				EB5C383E2E38C49D0052EFD7 /* LaunchAtLogin.swift */,
+				EB63EDB62FF42390000CC61F /* ModelessAlertPresenter.swift */,
 				EB886E662E4F2F7C0052B7D9 /* License.swift */,
 				EB6FE7D12EFEFB2700FF2BCF /* AllowedWorkMonitor.swift */,
 				EB36435F2D73A29F009CDFF8 /* AudioManager.swift */,
 				EBC05C5A2E33936C00EECC18 /* ErrorAlertHandler.swift */,
+				A6D000000000000000000001 /* AndroidAirDropModeDetector.swift */,
 				EB1325EA2E7025D900FD749C /* SelfTest */,
 			);
 			path = Util;
@@ -964,6 +1014,7 @@
 				EBC05C7E2E33B58300EECC18 /* FirewallIssueView.swift */,
 				EBC05C7F2E33B58300EECC18 /* IssueView.swift */,
 				EBC05C802E33B58300EECC18 /* NetworkFilterIssueView.swift */,
+				A7D000000000000000000001 /* AndroidAirDropModeIssueView.swift */,
 			);
 			path = IssueViews;
 			sourceTree = "<group>";
@@ -981,6 +1032,24 @@
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
+		32A98F34E7D10C21DC2EEA19 /* QuickDropTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = B473F6C65C8455203EA5FD18 /* Build configuration list for PBXNativeTarget "QuickDropTests" */;
+			buildPhases = (
+				BECDC1522AF83179791FA522 /* Sources */,
+				F5F5F63DAC90375051BA9F4E /* Frameworks */,
+				36CE9ED35EE7975FAB802535 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				C4F698F843B0C498BFC216AB /* PBXTargetDependency */,
+			);
+			name = QuickDropTests;
+			productName = QuickDropTests;
+			productReference = 156115A05E122702111639A0 /* QuickDropTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
 		699DEBA02AB0573200115D22 /* QuickDropShareExtension */ = {
 			isa = PBXNativeTarget;
 			buildConfigurationList = 699DEBB12AB0573200115D22 /* Build configuration list for PBXNativeTarget "QuickDropShareExtension" */;
@@ -1137,6 +1206,9 @@
 				LastSwiftUpdateCheck = 1640;
 				LastUpgradeCheck = 2600;
 				TargetAttributes = {
+					32A98F34E7D10C21DC2EEA19 = {
+						CreatedOnToolsVersion = 26.0;
+					};
 					699DEBA02AB0573200115D22 = {
 						CreatedOnToolsVersion = 14.3.1;
 					};
@@ -1196,11 +1268,19 @@
 				EB950B2C2E52027F002D68FA /* iOSShareExtension */,
 				EB3B9EF02EF7150400D6704E /* QuickDropGitHub */,
 				EB3B9F4A2EF7151900D6704E /* QuickDropShareExtensionGitHub */,
+				32A98F34E7D10C21DC2EEA19 /* QuickDropTests */,
 			);
 		};
 /* End PBXProject section */
 
 /* Begin PBXResourcesBuildPhase section */
+		36CE9ED35EE7975FAB802535 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		699DEB9F2AB0573200115D22 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -1312,8 +1392,10 @@
 				EBE5FF432EDB71810019B380 /* Configuration.swift in Sources */,
 				EB6FE7D42EFEFB2700FF2BCF /* AllowedWorkMonitor.swift in Sources */,
 				EBC05C872E33B58300EECC18 /* IssueView.swift in Sources */,
+				A7D000000000000000000103 /* AndroidAirDropModeIssueView.swift in Sources */,
 				EBC05C882E33B58300EECC18 /* FirewallIssueView.swift in Sources */,
 				EBC05C892E33B58300EECC18 /* ApIsolationIssueView.swift in Sources */,
+				EB63EDBB2FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */,
 				699DEBA62AB0573200115D22 /* ShareViewController.swift in Sources */,
 				EB96ED8B2D7F7CF7004B3FF1 /* SmallSheetView.swift in Sources */,
 				EBCC27F92D80C9F90079C478 /* Zip.swift in Sources */,
@@ -1363,6 +1445,8 @@
 				EB16B6182E58B4C8007D9792 /* TrustStore.swift in Sources */,
 				EBC05C5B2E33937200EECC18 /* ErrorAlertHandler.swift in Sources */,
 				EB1325D42E701D8E00FD749C /* Settings.swift in Sources */,
+				A3D000000000000000000202 /* BluetoothPermissionManager.swift in Sources */,
+				A6D000000000000000000101 /* AndroidAirDropModeDetector.swift in Sources */,
 				EB886E5D2E4F13EB0052B7D9 /* Zip.swift in Sources */,
 				EB5C37BF2E377A780052EFD7 /* ukey.pb.swift in Sources */,
 				EB5C37C02E377A780052EFD7 /* securemessage.pb.swift in Sources */,
@@ -1370,6 +1454,7 @@
 				EB5C37C22E377A780052EFD7 /* device_to_device_messages.pb.swift in Sources */,
 				EB5C37C32E377A780052EFD7 /* wire_format.pb.swift in Sources */,
 				EB16B6152E58B4B9007D9792 /* IdentityManager.swift in Sources */,
+				EB63EDB92FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */,
 				EB5C37C42E377A780052EFD7 /* securegcm.pb.swift in Sources */,
 				EB97A0102E51CD13008B8C5C /* ReceiveModel.swift in Sources */,
 				A1F5B3DD2F3A1A0100A1B2C8 /* PairingQrSheetManager.swift in Sources */,
@@ -1398,6 +1483,7 @@
 				EB6FE7D62EFEFB2700FF2BCF /* AllowedWorkMonitor.swift in Sources */,
 				EBC05C822E33B58300EECC18 /* ApIsolationIssueView.swift in Sources */,
 				EBC05C832E33B58300EECC18 /* FirewallIssueView.swift in Sources */,
+				A7D000000000000000000101 /* AndroidAirDropModeIssueView.swift in Sources */,
 				EB1325FA2E70288300FD749C /* SendToExtension.swift in Sources */,
 				EB0A22E72FBCF59300B78FF5 /* NearbyBonjourServiceResolver.swift in Sources */,
 				EB1325F42E7025D900FD749C /* ApIsolationTester.swift in Sources */,
@@ -1410,6 +1496,14 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
+		BECDC1522AF83179791FA522 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				A6D000000000000000000201 /* AndroidAirDropModeDetectorTests.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
 		EB3B9EFF2EF7150400D6704E /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
@@ -1424,6 +1518,8 @@
 				EB3B9F082EF7150400D6704E /* TrustStore.swift in Sources */,
 				EB3B9F092EF7150400D6704E /* ErrorAlertHandler.swift in Sources */,
 				EB3B9F0A2EF7150400D6704E /* Settings.swift in Sources */,
+				A3D000000000000000000203 /* BluetoothPermissionManager.swift in Sources */,
+				A6D000000000000000000102 /* AndroidAirDropModeDetector.swift in Sources */,
 				EB3B9F0B2EF7150400D6704E /* Zip.swift in Sources */,
 				EB3B9F0C2EF7150400D6704E /* ukey.pb.swift in Sources */,
 				EB3B9F0D2EF7150400D6704E /* securemessage.pb.swift in Sources */,
@@ -1431,6 +1527,7 @@
 				EB3B9F0F2EF7150400D6704E /* device_to_device_messages.pb.swift in Sources */,
 				EB3B9F102EF7150400D6704E /* wire_format.pb.swift in Sources */,
 				EB3B9F112EF7150400D6704E /* IdentityManager.swift in Sources */,
+				EB63EDB72FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */,
 				EB3B9F122EF7150400D6704E /* securegcm.pb.swift in Sources */,
 				EB3B9F132EF7150400D6704E /* ReceiveModel.swift in Sources */,
 				A1F5B3DE2F3A1A0100A1B2C9 /* PairingQrSheetManager.swift in Sources */,
@@ -1459,6 +1556,7 @@
 				EB6FE7D52EFEFB2700FF2BCF /* AllowedWorkMonitor.swift in Sources */,
 				EB3B9F272EF7150400D6704E /* ApIsolationIssueView.swift in Sources */,
 				EB3B9F282EF7150400D6704E /* FirewallIssueView.swift in Sources */,
+				A7D000000000000000000102 /* AndroidAirDropModeIssueView.swift in Sources */,
 				EB3B9F292EF7150400D6704E /* SendToExtension.swift in Sources */,
 				EB0A22E82FBCF59300B78FF5 /* NearbyBonjourServiceResolver.swift in Sources */,
 				EB3B9F2A2EF7150400D6704E /* ApIsolationTester.swift in Sources */,
@@ -1483,8 +1581,10 @@
 				EB3B9F522EF7151900D6704E /* Configuration.swift in Sources */,
 				EB6FE7D22EFEFB2700FF2BCF /* AllowedWorkMonitor.swift in Sources */,
 				EB3B9F532EF7151900D6704E /* IssueView.swift in Sources */,
+				A7D000000000000000000104 /* AndroidAirDropModeIssueView.swift in Sources */,
 				EB3B9F542EF7151900D6704E /* FirewallIssueView.swift in Sources */,
 				EB3B9F552EF7151900D6704E /* ApIsolationIssueView.swift in Sources */,
+				EB63EDBA2FF42390000CC61F /* ModelessAlertPresenter.swift in Sources */,
 				EB3B9F562EF7151900D6704E /* ShareViewController.swift in Sources */,
 				EB3B9F572EF7151900D6704E /* SmallSheetView.swift in Sources */,
 				EB3B9F582EF7151900D6704E /* Zip.swift in Sources */,
@@ -1538,6 +1638,8 @@
 				EB886E532E4E19390052B7D9 /* HKDF.swift in Sources */,
 				EB5C37F82E377CE70052EFD7 /* SleepManager.swift in Sources */,
 				EB5C37F92E377CE70052EFD7 /* securegcm.pb.swift in Sources */,
+				A8D000000000000000000101 /* BluetoothPermissionManager.swift in Sources */,
+				A8D000000000000000000102 /* AndroidAirDropModeDetector.swift in Sources */,
 				EB5C37FA2E377CE70052EFD7 /* Helpers.swift in Sources */,
 				EB5C37FB2E377CE70052EFD7 /* InboundNearbyConnection.swift in Sources */,
 				EB0A22E62FBCF59300B78FF5 /* NearbyBonjourServiceResolver.swift in Sources */,
@@ -1554,6 +1656,8 @@
 				EB979F942E50CA23008B8C5C /* Configuration.swift in Sources */,
 				EB979F952E50CA23008B8C5C /* ContentView.swift in Sources */,
 				EB6FE7CF2EFEB42800FF2BCF /* NoLocalNetworkAccessAlertView.swift in Sources */,
+				A8D000000000000000000103 /* AndroidAirDropModeIssueView.swift in Sources */,
+				A8D000000000000000000104 /* IssueView.swift in Sources */,
 				EBBEE1462EC9D93400AA7831 /* PhotoManager.swift in Sources */,
 				EB97A01A2E51EAA2008B8C5C /* UIAlert.swift in Sources */,
 				EB979F962E50CA23008B8C5C /* FilePicker.swift in Sources */,
@@ -1622,6 +1726,12 @@
 			target = 699DEBA02AB0573200115D22 /* QuickDropShareExtension */;
 			targetProxy = 699DEBAC2AB0573200115D22 /* PBXContainerItemProxy */;
 		};
+		C4F698F843B0C498BFC216AB /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			name = QuickDrop;
+			target = 69DA9A0D29E0BF5100A442DA /* QuickDrop */;
+			targetProxy = E14627D44A6E1CA296A9A53D /* PBXContainerItemProxy */;
+		};
 		EB3B9F8D2EF7153000D6704E /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			target = EB3B9F4A2EF7151900D6704E /* QuickDropShareExtensionGitHub */;
@@ -1812,8 +1922,8 @@
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
-				SHARED_BUILD = 149;
+				SHARED_BUILD = 154;
-				SHARED_VERSION = 4.0;
+				SHARED_VERSION = 4.2.1;
 				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -1875,8 +1985,8 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
-				SHARED_BUILD = 149;
+				SHARED_BUILD = 154;
-				SHARED_VERSION = 4.0;
+				SHARED_VERSION = 4.2.1;
 				STRING_CATALOG_GENERATE_SYMBOLS = YES;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -1904,7 +2014,7 @@
 				ENABLE_INCOMING_NETWORK_CONNECTIONS = YES;
 				ENABLE_OUTGOING_NETWORK_CONNECTIONS = YES;
 				ENABLE_RESOURCE_ACCESS_AUDIO_INPUT = NO;
-				ENABLE_RESOURCE_ACCESS_BLUETOOTH = NO;
+				ENABLE_RESOURCE_ACCESS_BLUETOOTH = YES;
 				ENABLE_RESOURCE_ACCESS_CALENDARS = NO;
 				ENABLE_RESOURCE_ACCESS_CAMERA = NO;
 				ENABLE_RESOURCE_ACCESS_CONTACTS = NO;
@@ -1919,6 +2029,8 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
+				INFOPLIST_KEY_NSBluetoothAlwaysUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
+				INFOPLIST_KEY_NSBluetoothPeripheralUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
@@ -1969,7 +2081,7 @@
 				ENABLE_INCOMING_NETWORK_CONNECTIONS = YES;
 				ENABLE_OUTGOING_NETWORK_CONNECTIONS = YES;
 				ENABLE_RESOURCE_ACCESS_AUDIO_INPUT = NO;
-				ENABLE_RESOURCE_ACCESS_BLUETOOTH = NO;
+				ENABLE_RESOURCE_ACCESS_BLUETOOTH = YES;
 				ENABLE_RESOURCE_ACCESS_CALENDARS = NO;
 				ENABLE_RESOURCE_ACCESS_CAMERA = NO;
 				ENABLE_RESOURCE_ACCESS_CONTACTS = NO;
@@ -1984,6 +2096,8 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
+				INFOPLIST_KEY_NSBluetoothAlwaysUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
+				INFOPLIST_KEY_NSBluetoothPeripheralUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
@@ -2013,6 +2127,49 @@
 			};
 			name = Release;
 		};
+		9A4E1D6A03B4FDA5B2074DF0 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = 92SDAWLN76;
+				GENERATE_INFOPLIST_FILE = YES;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@loader_path/../Frameworks",
+				);
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop.tests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx;
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/QuickDrop.app/Contents/MacOS/QuickDrop";
+			};
+			name = Release;
+		};
+		A8C87F63E411A0C639408AC5 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				DEVELOPMENT_TEAM = 92SDAWLN76;
+				GENERATE_INFOPLIST_FILE = YES;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+					"@loader_path/../Frameworks",
+				);
+				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.leonboettger.neardrop.tests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = macosx;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
+				SWIFT_VERSION = 5.0;
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/QuickDrop.app/Contents/MacOS/QuickDrop";
+			};
+			name = Debug;
+		};
 		EB3B9F462EF7150400D6704E /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
@@ -2033,7 +2190,7 @@
 				ENABLE_INCOMING_NETWORK_CONNECTIONS = YES;
 				ENABLE_OUTGOING_NETWORK_CONNECTIONS = YES;
 				ENABLE_RESOURCE_ACCESS_AUDIO_INPUT = NO;
-				ENABLE_RESOURCE_ACCESS_BLUETOOTH = NO;
+				ENABLE_RESOURCE_ACCESS_BLUETOOTH = YES;
 				ENABLE_RESOURCE_ACCESS_CALENDARS = NO;
 				ENABLE_RESOURCE_ACCESS_CAMERA = NO;
 				ENABLE_RESOURCE_ACCESS_CONTACTS = NO;
@@ -2048,6 +2205,8 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
+				INFOPLIST_KEY_NSBluetoothAlwaysUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
+				INFOPLIST_KEY_NSBluetoothPeripheralUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
@@ -2099,7 +2258,7 @@
 				ENABLE_INCOMING_NETWORK_CONNECTIONS = YES;
 				ENABLE_OUTGOING_NETWORK_CONNECTIONS = YES;
 				ENABLE_RESOURCE_ACCESS_AUDIO_INPUT = NO;
-				ENABLE_RESOURCE_ACCESS_BLUETOOTH = NO;
+				ENABLE_RESOURCE_ACCESS_BLUETOOTH = YES;
 				ENABLE_RESOURCE_ACCESS_CALENDARS = NO;
 				ENABLE_RESOURCE_ACCESS_CAMERA = NO;
 				ENABLE_RESOURCE_ACCESS_CONTACTS = NO;
@@ -2114,6 +2273,8 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSUIElement = YES;
+				INFOPLIST_KEY_NSBluetoothAlwaysUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
+				INFOPLIST_KEY_NSBluetoothPeripheralUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSMainNibFile = MainMenu;
@@ -2264,6 +2425,8 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSSupportsOpeningDocumentsInPlace = YES;
+				INFOPLIST_KEY_NSBluetoothAlwaysUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
+				INFOPLIST_KEY_NSBluetoothPeripheralUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
@@ -2309,6 +2472,8 @@
 				INFOPLIST_KEY_ITSAppUsesNonExemptEncryption = NO;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.utilities";
 				INFOPLIST_KEY_LSSupportsOpeningDocumentsInPlace = YES;
+				INFOPLIST_KEY_NSBluetoothAlwaysUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
+				INFOPLIST_KEY_NSBluetoothPeripheralUsageDescription = "QuickDrop uses Bluetooth for enhanced nearby device detection.";
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2025-2026 Leon Böttger";
 				INFOPLIST_KEY_NSLocalNetworkUsageDescription = "Local network access is needed to detect devices and transfer files over your Wi-Fi network.";
 				INFOPLIST_KEY_NSPhotoLibraryAddUsageDescription = "The add photos permission is required to save received photos and videos to your photo library.";
@@ -2431,6 +2596,15 @@
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
+		B473F6C65C8455203EA5FD18 /* Build configuration list for PBXNativeTarget "QuickDropTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				9A4E1D6A03B4FDA5B2074DF0 /* Release */,
+				A8C87F63E411A0C639408AC5 /* Debug */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
 		EB3B9F452EF7150400D6704E /* Build configuration list for PBXNativeTarget "QuickDropGitHub" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (

QuickDrop.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -33,8 +33,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/leif-ibsen/BigInt",
       "state" : {
-        "revision" : "c2f49bee454760e433bafff17bfdc5b96f75d7c8",
+        "revision" : "7c7b1be2f6714ce03833879b0aab4b20293c0207",
-        "version" : "1.23.0"
+        "version" : "1.24.0"
       }
     },
     {
@@ -52,7 +52,7 @@
       "location" : "https://github.com/leonboe1/LUI.git",
       "state" : {
         "branch" : "main",
-        "revision" : "3af5f2e26d102887980957b2d88a38ea8604b8d8"
+        "revision" : "44013e8ef77d8e0d18e13f449cfe3775f1abb31a"
       }
     },
     {
@@ -87,8 +87,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-protobuf.git",
       "state" : {
-        "revision" : "f6506eaa86ed2e01cb0ae14a75035b7fdbf0918f",
+        "revision" : "55d7a1cc5666b85c13464aea1c4b4a90feccb4c8",
-        "version" : "1.38.0"
+        "version" : "1.38.1"
       }
     },
     {
@@ -124,7 +124,7 @@
       "location" : "https://github.com/siteline/swiftui-introspect",
       "state" : {
         "branch" : "main",
-        "revision" : "c3db5696c625f8571f5f26fb292568db517374cc"
+        "revision" : "aee624c87acee41e1a421f7825b468d38bbfbd6c"
       }
     },
     {

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDrop.xcscheme

@@ -40,6 +40,24 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
+      <PostActions>
+         <ExecutionAction
+            ActionType = "Xcode.IDEStandardExecutionActionsCore.ExecutionActionType.ShellScriptAction">
+            <ActionContent
+               title = "Register dev QuickDrop for Finder Share"
+               scriptText = "&quot;${SRCROOT}/scripts/use-dev-share-extension.sh&quot;&#10;">
+               <EnvironmentBuildable>
+                  <BuildableReference
+                     BuildableIdentifier = "primary"
+                     BlueprintIdentifier = "69DA9A0D29E0BF5100A442DA"
+                     BuildableName = "QuickDrop.app"
+                     BlueprintName = "QuickDrop"
+                     ReferencedContainer = "container:QuickDrop.xcodeproj">
+                  </BuildableReference>
+               </EnvironmentBuildable>
+            </ActionContent>
+         </ExecutionAction>
+      </PostActions>
       <BuildableProductRunnable
          runnableDebuggingMode = "0">
          <BuildableReference

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDropTests.xcscheme

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "2650"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "32A98F34E7D10C21DC2EEA19"
+               BuildableName = "QuickDropTests.xctest"
+               BlueprintName = "QuickDropTests"
+               ReferencedContainer = "container:QuickDrop.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES"
+      queueDebuggingEnableBacktraceRecording = "Yes">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

QuickDrop/AppDelegate.swift

@@ -7,6 +7,7 @@
 
 import AudioToolbox
 import BezelNotification
+import Combine
 import Cocoa
 import Network
 import StoreKit
@@ -27,14 +28,22 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     private var errorAlertHandler = ErrorAlertHandler.shared
 
     private var receiveModel: ReceiveModel?
+    private var bluetoothAuthorizationObserver: AnyCancellable?
+    private let welcomeNavigationState = WelcomeScreenNavigationState()
 
     var showsFirewallAlert = false
     var visibleItem: NSMenuItem? = nil
+    private var didShowAndroidAirDropModeAlert = false
 
     
     // MARK: NSApplicationDelegate functions
     
     func applicationDidFinishLaunching(_: Notification) {
+        if ProcessInfo.processInfo.environment["XCTestConfigurationFilePath"] != nil {
+            LUIInit(configuration: configuration)
+            return
+        }
+
         UNUserNotificationCenter.current().delegate = self
 
         // app did not lauch before
@@ -74,9 +83,10 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
         let visibleItem = NSMenuItem(
             title: getDefaultVisibleLabel(),
-            action: nil,
+            action: #selector(visibleMenuItemSelected),
             keyEquivalent: ""
         )
+        visibleItem.target = self
         self.visibleItem = visibleItem
         menu.addItem(visibleItem)
 
@@ -118,6 +128,9 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         NearbyConnectionManager.shared.changedDeviceNameCallback = {
             self.visibleItem?.title = self.getDefaultVisibleLabel()
         }
+
+        setupAndroidAirDropModeDetection()
+        requestBluetoothPermissionForExistingUserIfNeeded()
         
         
         // MARK: Logging
@@ -181,6 +194,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     func applicationWillTerminate(_: Notification) {
         UNUserNotificationCenter.current().removeAllDeliveredNotifications()
         ClipboardSyncCoordinator.shared.stop()
+        AndroidAirDropModeDetector.shared.stop()
         NearbyConnectionManager.shared.stopDeviceDiscovery()
         NearbyConnectionManager.shared.becomeInvisible()
     }
@@ -231,6 +245,10 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
     
     // MARK: - Button Actions
+
+    @objc private func visibleMenuItemSelected() {
+        showMainWindow(selectedTab: .settings)
+    }
     
     @objc func sendClipboard() {
        
@@ -249,6 +267,15 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
     
     @objc func openMainWindow() {
+        showMainWindow()
+    }
+    
+    
+    private func showMainWindow(selectedTab: Tab? = nil) {
+        if let selectedTab {
+            welcomeNavigationState.select(selectedTab)
+        }
+        
         defer {
             if let welcomeWindow, !Settings.sharedInstance.appLaunchedBefore {
                 runAfter(seconds: 0.2) {
@@ -275,7 +302,8 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
             openPlusScreen: openPlusScreen,
             openAppAdvertisementView: { self.openSheetView(type: .downloadAndroidApp) },
             openCableTransmissionView: { self.openSheetView(type: .downloadCableConnectionApp) },
-            checkForNetworkIssues: performDeviceToDeviceCheck
+            checkForNetworkIssues: performDeviceToDeviceCheck,
+            navigationState: welcomeNavigationState
         )
         
         welcomeWindow = NSWindow(
@@ -403,6 +431,58 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
             }
         }
     }
+
+    private func setupAndroidAirDropModeDetection() {
+        log("[AppDelegate] Setting up Android AirDrop mode detection. authorization=\(BluetoothPermissionManager.shared.authorization.rawValue)")
+
+        bluetoothAuthorizationObserver = BluetoothPermissionManager.shared.$authorization
+            .removeDuplicates()
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] authorization in
+                guard let self else { return }
+
+                log("[AppDelegate] Bluetooth authorization changed for Android AirDrop mode detection: \(authorization.rawValue)")
+
+                if authorization == .allowedAlways {
+                    self.startAndroidAirDropModeDetection()
+                }
+                else {
+                    AndroidAirDropModeDetector.shared.stop()
+                }
+            }
+
+        BluetoothPermissionManager.shared.refresh()
+    }
+
+    private func requestBluetoothPermissionForExistingUserIfNeeded() {
+        let bluetoothPermission = BluetoothPermissionManager.shared
+        bluetoothPermission.refresh()
+
+        guard Settings.sharedInstance.appLaunchedBefore, bluetoothPermission.canRequestPermission else { return }
+
+        log("[AppDelegate] Requesting Bluetooth permission for existing user.")
+
+        bluetoothPermission.requestPermission { allowed in
+            log("[AppDelegate] Existing user Bluetooth permission request completed. allowed=\(allowed)")
+        }
+    }
+
+    private func startAndroidAirDropModeDetection() {
+        guard !didShowAndroidAirDropModeAlert else { return }
+
+        AndroidAirDropModeDetector.shared.start { [weak self] _ in
+            DispatchQueue.main.async {
+                self?.showAndroidAirDropModeAlertIfNeeded()
+            }
+        }
+    }
+
+    private func showAndroidAirDropModeAlertIfNeeded() {
+        guard !didShowAndroidAirDropModeAlert else { return }
+
+        didShowAndroidAirDropModeAlert = true
+        ErrorAlertHandler.shared.openAlert(type: .AndroidAirDropMode)
+    }
     
     
     private func getDefaultVisibleLabel() -> String {

QuickDrop/Assets.xcassets/Smartphone.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "Smartphone.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

QuickDrop/InfoPlist.xcstrings

@@ -27,6 +27,472 @@
       },
       "shouldTranslate" : false
     },
+    "NSBluetoothAlwaysUsageDescription" : {
+      "comment" : "Privacy - Bluetooth Always Usage Description",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "يستخدم QuickDrop تقنية Bluetooth لتحسين اكتشاف الأجهزة القريبة."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilitza Bluetooth per millorar la detecció de dispositius propers."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop používá Bluetooth pro vylepšenou detekci zařízení v okolí."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruger Bluetooth til forbedret registrering af enheder i nærheden."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop verwendet Bluetooth für eine verbesserte Erkennung von Geräten in der Nähe."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Το QuickDrop χρησιμοποιεί Bluetooth για βελτιωμένο εντοπισμό κοντινών συσκευών."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop käyttää Bluetoothia läheisten laitteiden parempaan havaitsemiseen."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop משתמש ב-Bluetooth לזיהוי משופר של מכשירים בקרבת מקום."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop आस-पास के डिवाइस की बेहतर पहचान के लिए Bluetooth का उपयोग करता है।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop koristi Bluetooth za poboljšano otkrivanje uređaja u blizini."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A QuickDrop Bluetoothot használ a közeli eszközök fejlettebb felismeréséhez."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk deteksi perangkat terdekat yang lebih baik."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa il Bluetooth per un rilevamento migliorato dei dispositivi nelle vicinanze."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDropは、近くのデバイスをより正確に検出するためにBluetoothを使用します。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop은 주변 기기를 더 잘 감지하기 위해 Bluetooth를 사용합니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk pengesanan peranti berdekatan yang dipertingkatkan."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruker Bluetooth for forbedret oppdagelse av enheter i nærheten."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop gebruikt Bluetooth voor verbeterde detectie van apparaten in de buurt."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop używa Bluetooth do ulepszonego wykrywania pobliskich urządzeń."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a detecção de dispositivos próximos."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a deteção de dispositivos próximos."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop folosește Bluetooth pentru detectarea îmbunătățită a dispozitivelor din apropiere."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop использует Bluetooth для улучшенного обнаружения устройств поблизости."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop använder Bluetooth för förbättrad upptäckt av enheter i närheten."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop ใช้ Bluetooth เพื่อการตรวจจับอุปกรณ์ใกล้เคียงที่ดียิ่งขึ้น"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop, yakındaki cihazları daha iyi algılamak için Bluetooth kullanır."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop використовує Bluetooth для покращеного виявлення пристроїв поблизу."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop sử dụng Bluetooth để phát hiện thiết bị lân cận tốt hơn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用蓝牙来增强附近设备检测。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用藍牙來增強附近裝置偵測。"
+          }
+        }
+      }
+    },
+    "NSBluetoothPeripheralUsageDescription" : {
+      "comment" : "Privacy - Bluetooth Peripheral Usage Description",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "يستخدم QuickDrop تقنية Bluetooth لتحسين اكتشاف الأجهزة القريبة."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilitza Bluetooth per millorar la detecció de dispositius propers."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop používá Bluetooth pro vylepšenou detekci zařízení v okolí."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruger Bluetooth til forbedret registrering af enheder i nærheden."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop verwendet Bluetooth für eine verbesserte Erkennung von Geräten in der Nähe."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Το QuickDrop χρησιμοποιεί Bluetooth για βελτιωμένο εντοπισμό κοντινών συσκευών."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop käyttää Bluetoothia läheisten laitteiden parempaan havaitsemiseen."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop משתמש ב-Bluetooth לזיהוי משופר של מכשירים בקרבת מקום."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop आस-पास के डिवाइस की बेहतर पहचान के लिए Bluetooth का उपयोग करता है।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop koristi Bluetooth za poboljšano otkrivanje uređaja u blizini."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A QuickDrop Bluetoothot használ a közeli eszközök fejlettebb felismeréséhez."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk deteksi perangkat terdekat yang lebih baik."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa il Bluetooth per un rilevamento migliorato dei dispositivi nelle vicinanze."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDropは、近くのデバイスをより正確に検出するためにBluetoothを使用します。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop은 주변 기기를 더 잘 감지하기 위해 Bluetooth를 사용합니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk pengesanan peranti berdekatan yang dipertingkatkan."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruker Bluetooth for forbedret oppdagelse av enheter i nærheten."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop gebruikt Bluetooth voor verbeterde detectie van apparaten in de buurt."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop używa Bluetooth do ulepszonego wykrywania pobliskich urządzeń."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a detecção de dispositivos próximos."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a deteção de dispositivos próximos."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop folosește Bluetooth pentru detectarea îmbunătățită a dispozitivelor din apropiere."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop использует Bluetooth для улучшенного обнаружения устройств поблизости."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop använder Bluetooth för förbättrad upptäckt av enheter i närheten."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop ใช้ Bluetooth เพื่อการตรวจจับอุปกรณ์ใกล้เคียงที่ดียิ่งขึ้น"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop, yakındaki cihazları daha iyi algılamak için Bluetooth kullanır."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop використовує Bluetooth для покращеного виявлення пристроїв поблизу."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop sử dụng Bluetooth để phát hiện thiết bị lân cận tốt hơn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用蓝牙来增强附近设备检测。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用藍牙來增強附近裝置偵測。"
+          }
+        }
+      }
+    },
     "NSHumanReadableCopyright" : {
       "comment" : "Copyright (human-readable)",
       "extractionState" : "extracted_with_value",

QuickDrop/Util/AndroidAirDropModeDetector.swift

@@ -0,0 +1,259 @@
+//
+//  AndroidAirDropModeDetector.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 10.06.26.
+//
+
+import CoreBluetooth
+import Foundation
+import LUI
+
+struct AndroidAirDropAdvertisement: Equatable {
+    let rssi: Int
+    let manufacturerDataHex: String?
+    let serviceUUIDs: Set<String>
+    let serviceDataHexByUUID: [String: String]
+    let isConnectable: Bool?
+
+    init(
+        rssi: Int,
+        manufacturerDataHex: String?,
+        serviceUUIDs: Set<String>,
+        serviceDataHexByUUID: [String: String] = [:],
+        isConnectable: Bool? = nil
+    ) {
+        self.rssi = rssi
+        self.manufacturerDataHex = manufacturerDataHex?.lowercased()
+        self.serviceUUIDs = Set(serviceUUIDs.map { $0.uppercased() })
+        self.serviceDataHexByUUID = Dictionary(
+            uniqueKeysWithValues: serviceDataHexByUUID.map { ($0.key.uppercased(), $0.value.lowercased()) }
+        )
+        self.isConnectable = isConnectable
+    }
+}
+
+struct AndroidAirDropModeObservation: Equatable {
+    let airDropModePacketCount: Int
+    let strongestAirDropModeRSSI: Int?
+    let minimumRSSI: Int
+    let requiredPacketsPerSignal: Int
+
+    var isDetected: Bool {
+        airDropModePacketCount >= requiredPacketsPerSignal
+    }
+}
+
+struct AndroidAirDropModeClassifier {
+    static let defaultMinimumRSSI = -70
+    static let defaultRequiredPacketsPerSignal = 2
+
+    static let airDropModeManufacturerPrefix = "4c000512000000000000000001"
+    static let airDropModeServiceUUID = "FCF1"
+
+    let minimumRSSI: Int
+    let requiredPacketsPerSignal: Int
+
+    private(set) var airDropModePacketCount = 0
+    private(set) var strongestAirDropModeRSSI: Int?
+
+    init(
+        minimumRSSI: Int = Self.defaultMinimumRSSI,
+        requiredPacketsPerSignal: Int = Self.defaultRequiredPacketsPerSignal
+    ) {
+        self.minimumRSSI = minimumRSSI
+        self.requiredPacketsPerSignal = requiredPacketsPerSignal
+    }
+
+    var observation: AndroidAirDropModeObservation {
+        AndroidAirDropModeObservation(
+            airDropModePacketCount: airDropModePacketCount,
+            strongestAirDropModeRSSI: strongestAirDropModeRSSI,
+            minimumRSSI: minimumRSSI,
+            requiredPacketsPerSignal: requiredPacketsPerSignal
+        )
+    }
+
+    mutating func reset() {
+        airDropModePacketCount = 0
+        strongestAirDropModeRSSI = nil
+    }
+
+    @discardableResult
+    mutating func record(_ advertisement: AndroidAirDropAdvertisement) -> AndroidAirDropModeObservation {
+        guard advertisement.rssi >= minimumRSSI else {
+            return observation
+        }
+
+        if Self.isAirDropModeAdvertisement(advertisement) {
+            airDropModePacketCount += 1
+            strongestAirDropModeRSSI = Self.strongerRSSI(strongestAirDropModeRSSI, advertisement.rssi)
+        }
+
+        return observation
+    }
+
+    static func isAirDropModeAdvertisement(_ advertisement: AndroidAirDropAdvertisement) -> Bool {
+        #if os(iOS)
+        // iOS exposes the AirDrop-compatible Android share-mode service UUID,
+        // but hides the Apple manufacturer payload from third-party apps. The
+        // share sheet emits a non-connectable FCF1 packet without service data;
+        // background AirDrop-compatible discovery emits connectable FCF1 packets
+        // with FCF1 service data.
+        advertisement.serviceUUIDs.contains(airDropModeServiceUUID) &&
+        advertisement.isConnectable == false &&
+        advertisement.serviceDataHexByUUID[airDropModeServiceUUID] == nil
+        #else
+        advertisement.manufacturerDataHex?.hasPrefix(airDropModeManufacturerPrefix) == true &&
+        advertisement.serviceUUIDs.contains(airDropModeServiceUUID)
+        #endif
+    }
+
+    private static func strongerRSSI(_ current: Int?, _ candidate: Int) -> Int {
+        guard let current else { return candidate }
+        return max(current, candidate)
+    }
+}
+
+final class AndroidAirDropModeDetector: NSObject, CBCentralManagerDelegate {
+    static let shared = AndroidAirDropModeDetector()
+    static let scanServiceUUIDs = [CBUUID(string: AndroidAirDropModeClassifier.airDropModeServiceUUID)]
+    static let scanOptions: [String: Any] = [CBCentralManagerScanOptionAllowDuplicatesKey: true]
+
+    private var centralManager: CBCentralManager?
+    private var classifier = AndroidAirDropModeClassifier()
+    private var onDetected: ((AndroidAirDropModeObservation) -> Void)?
+    private var isScanning = false
+    private var hasDeliveredDetection = false
+
+    func start(onDetected: @escaping (AndroidAirDropModeObservation) -> Void) {
+        guard BluetoothPermissionManager.shared.isAllowed else {
+            log("[AndroidAirDropModeDetector] Bluetooth permission is not granted; skipping scan. authorization=\(BluetoothPermissionManager.shared.authorization.rawValue)")
+            return
+        }
+
+        self.onDetected = onDetected
+
+        guard !hasDeliveredDetection else { return }
+        guard !isScanning else { return }
+
+        log("[AndroidAirDropModeDetector] Starting detector.")
+
+        classifier.reset()
+
+        if centralManager == nil {
+            log("[AndroidAirDropModeDetector] Creating central manager.")
+            centralManager = CBCentralManager(delegate: self, queue: .main)
+        }
+        else if centralManager?.state == .poweredOn {
+            beginScanning()
+        }
+    }
+
+    func stop() {
+        log("[AndroidAirDropModeDetector] Stopping detector.")
+        centralManager?.stopScan()
+        classifier.reset()
+        onDetected = nil
+        hasDeliveredDetection = false
+        isScanning = false
+    }
+
+    func centralManagerDidUpdateState(_ central: CBCentralManager) {
+        log("[AndroidAirDropModeDetector] Central state changed: \(central.state.rawValue)")
+
+        guard central.state == .poweredOn else {
+            if isScanning {
+                central.stopScan()
+                isScanning = false
+            }
+            return
+        }
+
+        if onDetected != nil {
+            beginScanning()
+        }
+    }
+
+    func centralManager(
+        _ central: CBCentralManager,
+        didDiscover peripheral: CBPeripheral,
+        advertisementData: [String: Any],
+        rssi RSSI: NSNumber
+    ) {
+        guard !hasDeliveredDetection else { return }
+
+        let advertisement = Self.advertisement(from: advertisementData, rssi: RSSI.intValue)
+        let observation = classifier.record(advertisement)
+
+        guard observation.isDetected else { return }
+
+        hasDeliveredDetection = true
+        isScanning = false
+        central.stopScan()
+
+        let callback = onDetected
+        onDetected = nil
+
+        log(
+            "[AndroidAirDropModeDetector] Detected Android AirDrop-compatible sharing mode. " +
+            "airDropModePackets=\(observation.airDropModePacketCount), " +
+            "minimumRSSI=\(observation.minimumRSSI)"
+        )
+
+        callback?(observation)
+    }
+
+    private func beginScanning() {
+        guard !isScanning, let centralManager, centralManager.state == .poweredOn else { return }
+
+        let scanTargetDescription = Self.scanServiceUUIDs.map(\.uuidString).joined(separator: ", ")
+        log("[AndroidAirDropModeDetector] BLE scan started for \(scanTargetDescription).")
+
+        // Duplicate delivery is intentional: the classifier waits for repeated
+        // matching packets so one transient advertisement does not trigger the alert.
+        centralManager.scanForPeripherals(
+            withServices: Self.scanServiceUUIDs,
+            options: Self.scanOptions
+        )
+        isScanning = true
+    }
+
+    private static func advertisement(
+        from advertisementData: [String: Any],
+        rssi: Int
+    ) -> AndroidAirDropAdvertisement {
+        var serviceUUIDs = Set<String>()
+        var serviceDataHexByUUID: [String: String] = [:]
+
+        [
+            CBAdvertisementDataServiceUUIDsKey,
+            CBAdvertisementDataOverflowServiceUUIDsKey,
+            CBAdvertisementDataSolicitedServiceUUIDsKey
+        ].forEach { key in
+            guard let uuids = advertisementData[key] as? [CBUUID] else { return }
+            uuids.forEach { serviceUUIDs.insert($0.uuidString) }
+        }
+
+        if let serviceData = advertisementData[CBAdvertisementDataServiceDataKey] as? [CBUUID: Data] {
+            serviceData.forEach { uuid, data in
+                serviceUUIDs.insert(uuid.uuidString)
+                serviceDataHexByUUID[uuid.uuidString] = data.androidAirDropModeHexString
+            }
+        }
+
+        return AndroidAirDropAdvertisement(
+            rssi: rssi,
+            manufacturerDataHex: (advertisementData[CBAdvertisementDataManufacturerDataKey] as? Data)?.androidAirDropModeHexString,
+            serviceUUIDs: serviceUUIDs,
+            serviceDataHexByUUID: serviceDataHexByUUID,
+            isConnectable: advertisementData[CBAdvertisementDataIsConnectable] as? Bool
+        )
+    }
+}
+
+private extension Data {
+    var androidAirDropModeHexString: String {
+        map { String(format: "%02x", $0) }.joined()
+    }
+}

QuickDrop/Util/BluetoothPermissionManager.swift

@@ -0,0 +1,85 @@
+//
+//  BluetoothPermissionManager.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 31.05.26.
+//
+
+import Combine
+import CoreBluetooth
+import Foundation
+import LUI
+
+#if os(iOS) && !EXTENSION
+import UIKit
+#endif
+
+#if os(macOS)
+import AppKit
+#endif
+
+final class BluetoothPermissionManager: NSObject, ObservableObject, CBCentralManagerDelegate {
+
+    static let shared = BluetoothPermissionManager()
+
+    @Published private(set) var authorization: CBManagerAuthorization = CBManager.authorization
+
+    private var centralManager: CBCentralManager?
+    private var completion: ((Bool) -> Void)?
+
+    var isAllowed: Bool {
+        authorization == .allowedAlways
+    }
+
+    var canRequestPermission: Bool {
+        authorization == .notDetermined
+    }
+
+    private override init() {
+        super.init()
+    }
+
+    func refresh() {
+        let currentAuthorization = CBManager.authorization
+        guard authorization != currentAuthorization else { return }
+
+        authorization = currentAuthorization
+    }
+
+    func requestPermission(completion: ((Bool) -> Void)? = nil) {
+        refresh()
+
+        guard authorization == .notDetermined else {
+            completion?(isAllowed)
+            return
+        }
+
+        self.completion = completion
+        centralManager = CBCentralManager(delegate: self, queue: .main)
+    }
+
+    func centralManagerDidUpdateState(_ central: CBCentralManager) {
+        refresh()
+
+        guard authorization != .notDetermined else { return }
+
+        let completion = completion
+        self.completion = nil
+        completion?(isAllowed)
+    }
+
+    func openSystemBluetoothSettings() {
+        #if os(iOS) && !EXTENSION
+        openAppSettings()
+        #elseif os(macOS)
+        let urls = [
+            URL(string: "x-apple.systempreferences:com.apple.preference.security?Privacy_Bluetooth"),
+            URL(string: "x-apple.systempreferences:com.apple.BluetoothSettings")
+        ].compactMap { $0 }
+
+        if let url = urls.first {
+            NSWorkspace.shared.open(url)
+        }
+        #endif
+    }
+}

QuickDrop/Util/ErrorAlertHandler.swift

@@ -18,7 +18,7 @@ import Cocoa
 #endif
 
 class ErrorAlertHandler {
-    
+
     private init() {}
     static let shared = ErrorAlertHandler()
     
@@ -27,15 +27,35 @@ class ErrorAlertHandler {
     private var firewallAlertWindow: NSWindow?
     private var apIsolationAlertWindow: NSWindow?
     private var networkFilterAlertWindow: NSWindow?
+    private var androidAirDropModeAlertWindow: NSWindow?
     #endif
     
-    func showErrorAlert(for deviceName: String, error: Error) {
+    /// Resource key for the recoverable-error suffix ("if this keeps happening…") appended to most
+    /// transfer errors.
+    ///
+    /// `Error.FixInstructions` suggests downloading the QuickDrop Android app from Google Play, which
+    /// is pointless for a peer that already runs QuickDrop. For such a peer (`isQuickDropPeer == true`)
+    /// the `Error.FixInstructionsAppInstalled` variant — the same advice without the download
+    /// suggestion — is used instead.
+    static func fixInstructionsKey(isQuickDropPeer: Bool) -> String {
+        isQuickDropPeer ? "Error.FixInstructionsAppInstalled" : "Error.FixInstructions"
+    }
+
+    /// Presents the transfer-error alert for `deviceName`.
+    ///
+    /// - Parameter isQuickDropPeer: whether the other device runs the QuickDrop app. When `true`, the
+    ///   "download the app from Google Play" suggestion is omitted from the fix instructions (see
+    ///   `fixInstructionsKey(isQuickDropPeer:)`). Defaults to `false` so callers without device context
+    ///   keep the full hint.
+    /// - Parameter completion: called after the macOS transfer alert is dismissed. For issue-specific
+    ///   alerts and iOS alerts, it is called after presentation.
+    func showErrorAlert(for deviceName: String, error: Error, isQuickDropPeer: Bool = false, completion: (() -> Void)? = nil) {
         #if os(macOS)
         NSApp.activate(ignoringOtherApps: true)
         #endif
-        
+
         var description = ""
-        let fixInstructions = " " + "Error.FixInstructions".localized()
+        let fixInstructions = " " + Self.fixInstructionsKey(isQuickDropPeer: isQuickDropPeer).localized()
         if let ne = (error as? NearbyError) {
             switch ne {
             case .inputOutput:
@@ -45,6 +65,7 @@ class ErrorAlertHandler {
             case .packetFilterError:
                 #if os(macOS)
                 openAlert(type: .NetworkFilter)
+                completion?()
                 return
                 #else
                 description = error.localizedDescription
@@ -52,6 +73,7 @@ class ErrorAlertHandler {
             case .firewallError:
                 #if os(macOS)
                 openAlert(type: .Firewall)
+                completion?()
                 return
                 #else
                 description = error.localizedDescription
@@ -77,6 +99,7 @@ class ErrorAlertHandler {
         // Prevent multiple alerts at the same time
         if self.isAlertShown {
             log("Skipping alert for error \(error.localizedDescription) because one is already shown")
+            completion?()
             return
         }
         else {
@@ -88,31 +111,14 @@ class ErrorAlertHandler {
             
             #if os(macOS)
             
-            let primaryButtonTitle = "InformDeveloper".localized()
+            // Shown modelessly (the native NSAlert panel via makeKeyAndOrderFront) rather than
-            let secondaryButtonTitle = "CloseAlert".localized()
+            // runModal(), which blocks the main run loop and would freeze the next incoming transfer's
-            
+            // consent prompt until dismissed. Same window runModal() uses, so it looks identical.
             self.isAlertShown = true
-            let alert = NSAlert()
+            presentTransferErrorAlert(title: title, description: description, completion: completion)
-            alert.alertStyle = .critical
-            alert.messageText = title
-            alert.informativeText = description
-            alert.addButton(withTitle: primaryButtonTitle)
-            alert.addButton(withTitle: secondaryButtonTitle)
-            
-            let result = alert.runModal()
-            self.isAlertShown = false
-            
-            if result == .alertFirstButtonReturn {
-                if Bundle.main.bundlePath.hasSuffix(".appex") {
-                    if let url = URL(string: "quickdrop://sendLog") {
-                        NSWorkspace.shared.open(url)
-                    }
-                } else {
-                    LogExportPresenter.showUploadLogsAlert(openSupportMailAfterUpload: false)
-                }
-            }
             #else
             showAlert(title: title, message: description)
+            completion?()
             #endif
         }
     }
@@ -124,6 +130,11 @@ class ErrorAlertHandler {
         AudioManager.playErrorSound()
 
         DispatchQueue.main.async { [self] in
+            if let existingWindow = alertWindow(for: type), existingWindow.isVisible {
+                bringAlertWindowToFront(existingWindow)
+                return
+            }
+
             // Create an NSWindow to host the SwiftUI view
             let alertWindow = NSWindow(
                 contentRect: NSRect(x: 0, y: 0, width: issueViewWidth, height: issueViewHeight),
@@ -142,6 +153,9 @@ class ErrorAlertHandler {
             case .Firewall:
                 firewallAlertWindow = alertWindow
                 alertWindow.contentView = NSHostingView(rootView: FirewallIssueView())
+            case .AndroidAirDropMode:
+                androidAirDropModeAlertWindow = alertWindow
+                alertWindow.contentView = NSHostingView(rootView: AndroidAirDropModeIssueView())
             }
 
             alertWindow.title = "QuickDrop"
@@ -149,9 +163,8 @@ class ErrorAlertHandler {
             alertWindow.isReleasedWhenClosed = false
             alertWindow.setFrameAutosaveName(type.rawValue)
 
-            NSApp.activate(ignoringOtherApps: true)
-            alertWindow.makeKeyAndOrderFront(nil)
             alertWindow.level = .normal
+            bringAlertWindowToFront(alertWindow)
         }
     }
     
@@ -163,6 +176,68 @@ class ErrorAlertHandler {
             self.apIsolationAlertWindow = nil
         }
     }
+
+    private func alertWindow(for type: AlertType) -> NSWindow? {
+        switch type {
+        case .ApIsolation:
+            return apIsolationAlertWindow
+        case .NetworkFilter:
+            return networkFilterAlertWindow
+        case .Firewall:
+            return firewallAlertWindow
+        case .AndroidAirDropMode:
+            return androidAirDropModeAlertWindow
+        }
+    }
+
+    private func bringAlertWindowToFront(_ window: NSWindow) {
+        // Keep the app a menu-bar (.accessory) app: do NOT switch to .regular,
+        // which would add a dock icon that lingers after the alert closes.
+        // orderFrontRegardless() brings the window to the front even though the
+        // app stays inactive in the background.
+        NSApp.activate(ignoringOtherApps: true)
+        window.makeKeyAndOrderFront(nil)
+        window.orderFrontRegardless()
+    }
+
+
+    /// Shows the transfer-error alert as the native `NSAlert` panel, but presented modelessly
+    /// (`makeKeyAndOrderFront`) instead of `runModal()`, so it does NOT block the main run loop — an
+    /// incoming transfer's consent prompt can still appear while it's on screen. It's the same
+    /// `_NSAlertPanel` window `runModal()` would show, so it looks identical; we just route the button
+    /// clicks ourselves (there's no modal session to end) and reset state on dismissal.
+    private func presentTransferErrorAlert(title: String, description: String, completion: (() -> Void)? = nil) {
+        let alert = NSAlert()
+        alert.alertStyle = .critical
+        alert.messageText = title
+        alert.informativeText = description
+        alert.addButton(withTitle: "InformDeveloper".localized())   // tag == .alertFirstButtonReturn
+        alert.addButton(withTitle: "CloseAlert".localized())        // tag == .alertSecondButtonReturn
+        alert.buttons.first?.keyEquivalent = "\r"                    // default button: Return
+        if alert.buttons.count > 1 { alert.buttons[1].keyEquivalent = "\u{1b}" }  // Close: Escape
+
+        ModelessAlertPresenter.present(alert) { [weak self] response in
+            self?.isAlertShown = false
+            if response == .alertFirstButtonReturn {
+                Self.presentLogUpload()
+            }
+            completion?()
+        }
+    }
+
+
+    /// The "Inform developer" action: from the share extension, hand off to the host app via the
+    /// `quickdrop://sendLog` URL; otherwise upload logs directly. Mirrors the previous alert's primary
+    /// button.
+    private static func presentLogUpload() {
+        if Bundle.main.bundlePath.hasSuffix(".appex") {
+            if let url = URL(string: "quickdrop://sendLog") {
+                NSWorkspace.shared.open(url)
+            }
+        } else {
+            LogExportPresenter.showUploadLogsAlert(openSupportMailAfterUpload: false)
+        }
+    }
     #endif
 }
 
@@ -171,4 +246,5 @@ enum AlertType: String {
     case ApIsolation
     case NetworkFilter
     case Firewall
+    case AndroidAirDropMode
 }

QuickDrop/Util/ModelessAlertPresenter.swift

@@ -0,0 +1,78 @@
+//
+//  ModelessAlertPresenter.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 30.06.26.
+//
+
+import AppKit
+
+/// Presents an `NSAlert` as its own modeless panel (non-blocking) instead of `runModal()`. It's the
+/// exact `_NSAlertPanel` window `runModal()` would show, so it looks identical — but it does not spin a
+/// nested modal run loop, so the app keeps working (e.g. can still receive the next transfer) while the
+/// alert is on screen.
+///
+/// Use this in place of `alert.runModal()` for any alert that may appear while the app is busy. The
+/// clicked button is reported to `completion` as the `NSApplication.ModalResponse` that `runModal()`
+/// would have returned (first button = `.alertFirstButtonReturn`, second = `.alertSecondButtonReturn`,
+/// …). Must be called on the main thread.
+final class ModelessAlertPresenter: NSObject {
+
+    /// Keeps each live presenter — and thus its `NSAlert` and panel — retained while on screen; the
+    /// entry is removed when the alert is dismissed. `NSButton.target` is weak and the panel is owned by
+    /// the `NSAlert`, so without this the alert would deallocate immediately.
+    private static var active: Set<ModelessAlertPresenter> = []
+
+    private let alert: NSAlert
+    private let completion: (NSApplication.ModalResponse) -> Void
+
+    private init(alert: NSAlert, completion: @escaping (NSApplication.ModalResponse) -> Void) {
+        self.alert = alert
+        self.completion = completion
+    }
+
+    static func present(_ alert: NSAlert,
+                        completion: @escaping (NSApplication.ModalResponse) -> Void = { _ in }) {
+
+        if let window = NSApp.mainWindow ?? NSApp.keyWindow {
+            alert.beginSheetModal(for: window, completionHandler: completion)
+        }
+        else {
+            let presenter = ModelessAlertPresenter(alert: alert, completion: completion)
+            active.insert(presenter)
+            presenter.show()
+        }
+    }
+
+    private func show() {
+        alert.layout()
+
+        // runModal() makes the default button respond to Return; modelessly we set it ourselves — but
+        // only if the caller specified no key equivalents, so explicit ones (e.g. Escape) are kept.
+        if alert.buttons.allSatisfy({ $0.keyEquivalent.isEmpty }) {
+            alert.buttons.first?.keyEquivalent = "\r"
+        }
+
+        for button in alert.buttons {
+            button.target = self
+            button.action = #selector(buttonClicked(_:))
+        }
+
+        let window = alert.window
+        window.center()
+        NSApp.activate(ignoringOtherApps: true)
+        window.makeKeyAndOrderFront(nil)
+        window.orderFrontRegardless()
+    }
+
+    @objc private func buttonClicked(_ sender: NSButton) {
+        let response = NSApplication.ModalResponse(rawValue: sender.tag)
+        alert.window.orderOut(nil)
+        // Defer teardown so the alert and its panel aren't deallocated while this button's action is
+        // still on the stack.
+        DispatchQueue.main.async {
+            self.completion(response)
+            ModelessAlertPresenter.active.remove(self)
+        }
+    }
+}

QuickDrop/Util/SendToExtension.swift

@@ -26,7 +26,7 @@ func sendToSharingService(items: [Any]) {
                 alert.informativeText = "ShareExtensionDisabledDescriptionLegacy".localized()
             }
             alert.addButton(withTitle: "CloseAlert".localized())
-            alert.runModal()
+            ModelessAlertPresenter.present(alert)
         }
     }
 }

QuickDrop/View/Introduction/IntroductionView.swift

@@ -14,6 +14,8 @@ struct IntroductionView: View {
     static let height: CGFloat = 540
     
     @Environment(\.colorScheme) private var colorScheme
+    @Environment(\.scenePhase) private var scenePhase
+    @ObservedObject private var bluetooth = BluetoothPermissionManager.shared
     @State private var currentPage: IntroductionPage = .splash
 
     @State private var pollingPage: IntroductionPage? = nil
@@ -120,6 +122,10 @@ struct IntroductionView: View {
         .onChange(of: currentPage) { newValue in
             pageDidChange(to: newValue)
         }
+        .onChange(of: scenePhase) { newValue in
+            guard newValue == .active, currentPage == .bluetoothAccess else { return }
+            refreshBluetoothPermissionAndAdvanceIfAllowed()
+        }
         .task(id: pollingPage) {
             guard let page = pollingPage else { return }
             
@@ -181,6 +187,11 @@ struct IntroductionView: View {
     
 
     private func continueTapped() {
+        if currentPage == .bluetoothAccess {
+            continueBluetoothPermission()
+            return
+        }
+
         // If already allowed, advance immediately
         if currentPage.canContinue() {
             advance()
@@ -197,13 +208,57 @@ struct IntroductionView: View {
     }
 
     
+    private func continueBluetoothPermission() {
+        bluetooth.refresh()
+
+        if bluetooth.isAllowed {
+            advance()
+            return
+        }
+
+        pollingPage = .bluetoothAccess
+
+        guard bluetooth.canRequestPermission else {
+            bluetooth.openSystemBluetoothSettings()
+            return
+        }
+
+        bluetooth.requestPermission { allowed in
+            DispatchQueue.main.async {
+                guard currentPage == .bluetoothAccess else {
+                    stopPolling()
+                    return
+                }
+
+                if allowed {
+                    stopPolling()
+                    advance()
+                }
+                else {
+                    pollingPage = .bluetoothAccess
+                }
+            }
+        }
+    }
+
+
+    private func refreshBluetoothPermissionAndAdvanceIfAllowed() {
+        bluetooth.refresh()
+
+        guard currentPage == .bluetoothAccess, bluetooth.isAllowed else { return }
+
+        stopPolling()
+        advance()
+    }
+
+
     private func advance() {
-        
+
         if currentPage == .localNetworkAccess {
             let _ = DeviceToDeviceHeuristicScanner.shared.hasLocalNetworkAccess(completion: {_ in })
             triggerLocalNetworkPermission()
         }
-        
+
         if let nextPage = currentPage.presentNextPage() {
             currentPage = nextPage
         } else {
@@ -223,6 +278,7 @@ enum IntroductionPage: CaseIterable {
     case splash
     case noWifi
     case localNetworkAccess
+    case bluetoothAccess
     case enableShareExtension
     case finished
     
@@ -234,6 +290,8 @@ enum IntroductionPage: CaseIterable {
             return "introduction_no_wifi"
         case .localNetworkAccess:
             return "introduction_local_network_access"
+        case .bluetoothAccess:
+            return "BluetoothPermissionRequiredTitle"
         case .enableShareExtension:
             return "introduction_enable_share_extension"
         case .finished:
@@ -250,6 +308,8 @@ enum IntroductionPage: CaseIterable {
             return "introduction_no_wifi_description"
         case .localNetworkAccess:
             return "introduction_local_network_access_description".localized(with: "introduction_continue".localized())
+        case .bluetoothAccess:
+            return "BluetoothPermissionRequiredSubtitle"
         case .enableShareExtension:
             if #available(macOS 13.0, *) {
                 return "introduction_enable_share_extension_description".localized(with: "EnableQuickDropExtension".localized())
@@ -267,6 +327,8 @@ enum IntroductionPage: CaseIterable {
         switch self {
         case .noWifi:
             return .init(action: presentNextPage, warningTitle: "introduction_no_wifi_skip_title", warningMessage: "introduction_no_wifi_skip_message")
+        case .bluetoothAccess:
+            return .init(action: { .enableShareExtension }, warningTitle: "BluetoothPermissionSkipAlertTitle", warningMessage: "BluetoothPermissionSkipAlertMessage")
         default:
             return nil
         }
@@ -290,6 +352,8 @@ enum IntroductionPage: CaseIterable {
         case .noWifi:
             return firstPermissionPane()
         case .localNetworkAccess:
+            return .bluetoothAccess
+        case .bluetoothAccess:
             return .enableShareExtension
         case .enableShareExtension:
             return .finished
@@ -304,7 +368,7 @@ enum IntroductionPage: CaseIterable {
             // Local network access is requested first on macOS 15+
             return .localNetworkAccess
         }
-        return .enableShareExtension
+        return .bluetoothAccess
     }
     
     
@@ -312,6 +376,8 @@ enum IntroductionPage: CaseIterable {
         switch self {
             case .noWifi:
                 return NearbyConnectionManager.shared.isConnectedToLocalNetwork
+            case .bluetoothAccess:
+                return BluetoothPermissionManager.shared.isAllowed
             default:
                 return true
         }
@@ -332,6 +398,8 @@ enum IntroductionPage: CaseIterable {
                 imageView(for: "wifi.slash", with: height)
             case .localNetworkAccess:
                 imageView(for: "network", with: height)
+            case .bluetoothAccess:
+                imageView(for: "antenna.radiowaves.left.and.right", with: height)
             case .enableShareExtension:
                 imageView(for: "square.and.arrow.up", with: height)
             case .finished:
@@ -350,8 +418,7 @@ enum IntroductionPage: CaseIterable {
             .frame(height: height * 0.5)
             .padding(.top, height * 0.13)
     }
-    
+
-    
     struct SkipAction: Identifiable {
         let action: () -> IntroductionPage?
         let warningTitle: String

QuickDrop/View/IssueViews/AndroidAirDropModeIssueView.swift

@@ -0,0 +1,24 @@
+//
+//  AndroidAirDropModeIssueView.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 10.06.26.
+//
+
+import Foundation
+import SwiftUI
+
+struct AndroidAirDropModeIssueView: View {
+    var body: some View {
+        IssueView(
+            image: .smartphone,
+            header: "AndroidAirDropModeHeader".localized(),
+            description: "AndroidAirDropModeDescription".localized()
+        )
+    }
+}
+
+#Preview {
+    AndroidAirDropModeIssueView()
+        .frame(width: issueViewWidth, height: issueViewHeight)
+}

QuickDrop/View/IssueViews/ApIsolationIssueView.swift

@@ -71,7 +71,7 @@ func openRouterSettingsPage() async {
             alert.informativeText = "ApIsolationFindRouterFailedDescription".localized()
             alert.addButton(withTitle: "CloseAlert".localized())
 
-            alert.runModal()
+            ModelessAlertPresenter.present(alert)
         }
         return
     }

QuickDrop/View/IssueViews/IssueView.swift

@@ -102,7 +102,6 @@ struct IssueView: View {
 
 
 #Preview {
-    NetworkFilterIssueView()
+    IssueView(image: .smartphone, header: "Header", description: "Description")
         .frame(width: 600, height: 400)
 }
-

QuickDrop/View/Settings/SettingsView.swift

@@ -11,10 +11,14 @@ import LUI
 
 struct SettingsView: View {
     
+    let openPlus: () -> Void
+    
     @ObservedObject var settings = Settings.sharedInstance
     @ObservedObject var connectionManager = NearbyConnectionManager.shared
+    @ObservedObject var iapManager = IAPManager.sharedInstance
     
     @State private var isChangeDeviceNameAlertPresented = false
+    @State private var licenseWindow: NSWindow?
     
     var body: some View {
         
@@ -68,17 +72,33 @@ struct SettingsView: View {
                 Divider()
                     .padding(.vertical, 10)
                 
-                Button {
+                HStack(spacing: 30) {
-                    openTrustedDevicesWindow()
+                    SettingsFooterButton("ManageTrustedDevices") {
-                } label: {
+                        openTrustedDevicesWindow()
-                    Text("ManageTrustedDevices")
+                    }
-                        .underline()
+                    
-                        .font(.subheadline)
+                    SettingsFooterButton("Acknowledgements") {
-                        .opacity(0.5)
+                        licenseWindow = openLicenseWindow()
-                        .frame(maxWidth: .infinity)
+                    }
-                        .padding(.vertical, 15)
+                    
+                    #if !GITHUB
+                    if !iapManager.plusVersionState {
+                        SettingsFooterButton("SupportQuickDrop") {
+                            openPlus()
+                        }
+                    }
+                    #endif
+                    
+                    #if DEBUG
+                    SettingsFooterButton("ResetAllSettings") {
+                        IAPManager.sharedInstance.plusVersionState = false
+                        Settings.sharedInstance.deleteAllUserDefaults()
+                    }
+                    #endif
                 }
-                .buttonStyle(PlainButtonStyle())
+                .minimumScaleFactor(0.7)
+                .frame(maxWidth: .infinity)
+                .padding(.vertical, 15)
             }
         }
     }
@@ -130,8 +150,8 @@ struct SettingsView: View {
                     alert.messageText = "FolderSelectionFailedTitle".localized()
                     alert.informativeText = "FolderSelectionFailedMessage".localized()
                     alert.addButton(withTitle: "CloseAlert".localized())
-                    
+
-                    alert.runModal()
+                    ModelessAlertPresenter.present(alert)
                 }
             }
         }
@@ -194,7 +214,31 @@ struct SettingsView: View {
 
 struct SettingsView_Previews: PreviewProvider {
     static var previews: some View {
-        SettingsView()
+        SettingsView(openPlus: {})
             .frame(width: 800, height: 500)
     }
 }
+
+
+private struct SettingsFooterButton: View {
+    let title: String
+    let action: () -> Void
+    
+    init(_ title: String, action: @escaping () -> Void) {
+        self.title = title
+        self.action = action
+    }
+    
+    var body: some View {
+        Button {
+            action()
+        } label: {
+            Text(title.localized())
+                .underline()
+                .font(.subheadline)
+                .lineLimit(1)
+                .opacity(0.5)
+        }
+        .buttonStyle(.plain)
+    }
+}

QuickDrop/View/UserManual/TutorialView.swift

@@ -12,12 +12,8 @@ import SwiftUI
 struct TutorialView: View {
     
     let tab: Tab
-    let openPlus: () -> Void
     let openAppAdvertisementView: () -> Void
     
-    @State private var licenseWindow: NSWindow?
-    @ObservedObject var iapManager = IAPManager.sharedInstance
-    
     var body: some View {
         
         LargeAppIconView(title: tab.title) {
@@ -35,7 +31,7 @@ struct TutorialView: View {
                         .padding(.top)
                     }
                     else {
-                        Text(tab.text.localized())
+                        Text(tab.text)
                             .multilineTextAlignment(.leading)
                             .fixedSize(horizontal: false, vertical: true)
                             .padding()
@@ -44,51 +40,22 @@ struct TutorialView: View {
                 .frame(width: 550)
                 
                 if tab == .receive {
-                    HStack(spacing: 30) {
+                    Button {
-                        
+                        showAndroidAirDropModeAlert()
-                        Button {
+                    } label: {
-                            licenseWindow = openLicenseWindow()
+                        Text("AndroidAirDropModeHelpLink".localized())
-                        } label: {
+                            .underline()
-                            Text("Acknowledgements")
+                            .font(.footnote)
-                                .underline()
+                            .multilineTextAlignment(.center)
-                                .font(.footnote)
+                            .opacity(0.7)
-                                .opacity(0.5)
-                        }
-                        .buttonStyle(.plain)
-                       
-                        #if !GITHUB
-                        if !iapManager.plusVersionState {
-                            Button {
-                                openPlus()
-                            } label: {
-                                Text("SupportQuickDrop")
-                                    .underline()
-                                    .font(.footnote)
-                                    .opacity(0.5)
-                            }
-                            .buttonStyle(.plain)
-                        }
-                        #endif
-                        
-                        #if DEBUG
-                        Button {
-                            IAPManager.sharedInstance.plusVersionState = false
-                            Settings.sharedInstance.deleteAllUserDefaults()
-                        } label: {
-                            Text("ResetAllSettings")
-                                .underline()
-                                .font(.footnote)
-                                .opacity(0.5)
-                        }
-                        .buttonStyle(.plain)
-                        #endif
                     }
+                    .buttonStyle(.plain)
                     .padding()
                 }
                 else if tab == .send {
                     EnableExtensionView()
                 }
-                else if tab == .notificationSync {
+                else if tab == .notificationSync || tab == .clipboardSync {
                     Button {
                         openAppAdvertisementView()
                     } label: {
@@ -100,6 +67,16 @@ struct TutorialView: View {
             }
         }
     }
+    
+    private func showAndroidAirDropModeAlert() {
+        let alert = NSAlert()
+        alert.alertStyle = .informational
+        alert.messageText = "AndroidAirDropModeAlertTitle".localized()
+        alert.informativeText = "AndroidAirDropModeAlertMessage".localized()
+        alert.addButton(withTitle: "CloseAlert".localized())
+
+        ModelessAlertPresenter.present(alert)
+    }
 }
 
 
@@ -198,5 +175,5 @@ private struct SharingPickerPresenter: NSViewRepresentable {
 
 
 #Preview {
-    WelcomeScreen(openPlusScreen: {}, openAppAdvertisementView: {}, openCableTransmissionView: {}, checkForNetworkIssues: {})
+    WelcomeScreen(openPlusScreen: {}, openAppAdvertisementView: {}, openCableTransmissionView: {}, checkForNetworkIssues: {}, navigationState: WelcomeScreenNavigationState())
 }

QuickDrop/View/UserManual/WelcomeScreen.swift

@@ -9,6 +9,25 @@ import SwiftUI
 import UniformTypeIdentifiers
 import LUI
 
+struct WelcomeScreenNavigationRequest {
+    let tab: Tab
+    let id = UUID()
+}
+
+
+final class WelcomeScreenNavigationState: ObservableObject {
+    @Published private(set) var request: WelcomeScreenNavigationRequest
+
+    init(selection: Tab = .receive) {
+        self.request = WelcomeScreenNavigationRequest(tab: selection)
+    }
+    
+    func select(_ tab: Tab) {
+        request = WelcomeScreenNavigationRequest(tab: tab)
+    }
+}
+
+
 struct WelcomeScreen: View {
     
     static let width: CGFloat = 1000
@@ -21,7 +40,23 @@ struct WelcomeScreen: View {
     let openCableTransmissionView: () -> Void
     let checkForNetworkIssues: () -> Void
     
-    @State private var selection: Tab = Tab.receive
+    @ObservedObject var navigationState: WelcomeScreenNavigationState
+    @State private var selection: Tab
+    
+    init(
+        openPlusScreen: @escaping () -> Void,
+        openAppAdvertisementView: @escaping () -> Void,
+        openCableTransmissionView: @escaping () -> Void,
+        checkForNetworkIssues: @escaping () -> Void,
+        navigationState: WelcomeScreenNavigationState
+    ) {
+        self.openPlusScreen = openPlusScreen
+        self.openAppAdvertisementView = openAppAdvertisementView
+        self.openCableTransmissionView = openCableTransmissionView
+        self.checkForNetworkIssues = checkForNetworkIssues
+        self.navigationState = navigationState
+        _selection = State(initialValue: navigationState.request.tab)
+    }
     
     var body: some View {
         
@@ -35,7 +70,7 @@ struct WelcomeScreen: View {
             )
             
             List(selection: listBinding) {
-                ForEach(Tab.allCases.filter({$0 != .settings }), id: \.self) { tab in
+                ForEach([Tab.receive, .send, .notificationSync, .clipboardSync], id: \.self) { tab in
                     Label(tab.sidebarTitle, systemImage: tab.systemImage)
                         .tag(tab)
                         .frame(height: 30)
@@ -43,6 +78,12 @@ struct WelcomeScreen: View {
                 
                 Divider()
                 
+                Label(Tab.troubleshooting.sidebarTitle, systemImage: Tab.troubleshooting.systemImage)
+                    .tag(Tab.troubleshooting)
+                    .frame(height: 30)
+                
+                Divider()
+                
                 ExternalLinkLabel(label: "GetSupport", icon: "questionmark.circle") {
                     LogExportPresenter.showUploadLogsAlert(openSupportMailWhenNotUploading: true)
                 }
@@ -76,12 +117,11 @@ struct WelcomeScreen: View {
                 Color.defaultBackground.edgesIgnoringSafeArea(.vertical)
             
                     if selection == .settings {
-                        SettingsView()
+                        SettingsView(openPlus: openPlusScreen)
                     }
                     else {
                         TutorialView(
                             tab: selection,
-                            openPlus: openPlusScreen,
                             openAppAdvertisementView: openAppAdvertisementView
                         )
                         .onAppear {
@@ -92,6 +132,11 @@ struct WelcomeScreen: View {
                     }
             }
         }
+        .onReceive(navigationState.$request) { request in
+            if selection != request.tab {
+                selection = request.tab
+            }
+        }
         .onDrop(of: [.fileURL], isTargeted: nil) { providers in
             handleDrop(providers: providers)
             return true
@@ -182,6 +227,7 @@ enum Tab: CaseIterable {
     case receive
     case send
     case notificationSync
+    case clipboardSync
     case troubleshooting
     case settings
     
@@ -193,6 +239,8 @@ enum Tab: CaseIterable {
             return "SendFiles".localized()
         case .notificationSync:
             return "NotificationSyncSidebar".localized()
+        case .clipboardSync:
+            return "ClipboardSyncSidebar".localized()
         case .troubleshooting:
             return "TroubleshootingAndFaq".localized()
         case .settings:
@@ -210,11 +258,13 @@ enum Tab: CaseIterable {
     var text: String {
         switch self {
         case .receive:
-            "UserManualDescription"
+            "UserManualDescription".localized()
         case .send:
-            "SendFilesDescription"
+            "SendFilesDescription".localized()
         case .notificationSync:
-            "NotificationSyncManualDescription"
+            "NotificationSyncManualDescription".localized()
+        case .clipboardSync:
+            "ClipboardSyncManualDescription".localized()
         default:
             ""
         }
@@ -228,6 +278,8 @@ enum Tab: CaseIterable {
             return "tray.and.arrow.up"
         case .notificationSync:
             return "bell"
+        case .clipboardSync:
+            return "clipboard"
         case .troubleshooting:
             return "exclamationmark.triangle"
         case .settings:
@@ -238,5 +290,5 @@ enum Tab: CaseIterable {
 
 
 #Preview {
-    WelcomeScreen(openPlusScreen: {}, openAppAdvertisementView: {}, openCableTransmissionView: {}, checkForNetworkIssues: {})
+    WelcomeScreen(openPlusScreen: {}, openAppAdvertisementView: {}, openCableTransmissionView: {}, checkForNetworkIssues: {}, navigationState: WelcomeScreenNavigationState())
 }

QuickDrop/ViewModel/ReceiveModel.swift

@@ -291,7 +291,7 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
                     controlPlusScreen(false)
                     
                     errorVibration()
-                    ErrorAlertHandler.shared.showErrorAlert(for: name, error: error)
+                    ErrorAlertHandler.shared.showErrorAlert(for: name, error: error, isQuickDropPeer: device?.isQuickDropPeer ?? false)
                 }
             } else {
  
@@ -359,7 +359,7 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
                                 alert.informativeText = error.localizedDescription
                                 alert.addButton(withTitle: "CloseAlert".localized())
                                 
-                                alert.runModal()
+                                ModelessAlertPresenter.present(alert)
                             }
                         }
                     }
@@ -408,7 +408,7 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
                     controlPlusScreen(false)
 
                     errorVibration()
-                    ErrorAlertHandler.shared.showErrorAlert(for: name, error: error)
+                    ErrorAlertHandler.shared.showErrorAlert(for: name, error: error, isQuickDropPeer: device?.isQuickDropPeer ?? false)
                 }
                 return
             }
@@ -453,7 +453,7 @@ class ReceiveModel: ObservableObject, InboundAppDelegate {
                             alert.informativeText = error.localizedDescription
                             alert.addButton(withTitle: "CloseAlert".localized())
 
-                            alert.runModal()
+                            ModelessAlertPresenter.present(alert)
                         }
                     }
                 }

QuickDrop/ViewModel/SendModel.swift

@@ -63,7 +63,7 @@ class SendModel: ObservableObject, OutboundAppDelegate {
         
         if let name = selectedDevice?.name {
             errorVibration()
-            ErrorAlertHandler.shared.showErrorAlert(for: name, error: error)
+            ErrorAlertHandler.shared.showErrorAlert(for: name, error: error, isQuickDropPeer: selectedDevice?.isQuickDropPeer ?? false)
         }
         
         progressValue = nil

QuickDropTests/AndroidAirDropModeDetectorTests.swift

@@ -0,0 +1,145 @@
+import Foundation
+import CoreBluetooth
+import Testing
+@testable import QuickDrop
+
+@Suite(.serialized)
+struct AndroidAirDropModeDetectorTests {
+    @Test
+    func detectsWhenAirDropModeSignalsPassThreshold() {
+        var classifier = AndroidAirDropModeClassifier(minimumRSSI: -70, requiredPacketsPerSignal: 2)
+
+        let firstAirDropMode = classifier.record(.airDropMode(rssi: -58))
+        #expect(!firstAirDropMode.isDetected)
+
+        let detected = classifier.record(.airDropMode(rssi: -56))
+        #expect(detected.isDetected)
+        #expect(detected.airDropModePacketCount == 2)
+        #expect(detected.strongestAirDropModeRSSI == -56)
+    }
+
+    @Test
+    func matchesObservedMoseyAirDropSuffixVariants() {
+        #expect(
+            AndroidAirDropModeClassifier.isAirDropModeAdvertisement(
+                .airDropMode(manufacturerDataSuffix: "28b429412f624af300", rssi: -58)
+            )
+        )
+        #expect(
+            AndroidAirDropModeClassifier.isAirDropModeAdvertisement(
+                .airDropMode(manufacturerDataSuffix: "03b429412f624af300", rssi: -58)
+            )
+        )
+    }
+
+    @Test
+    func ignoresSignalsBelowRSSIThreshold() {
+        var classifier = AndroidAirDropModeClassifier(minimumRSSI: -70, requiredPacketsPerSignal: 2)
+
+        classifier.record(.airDropMode(rssi: -72))
+        let observation = classifier.record(.airDropMode(rssi: -85))
+
+        #expect(!observation.isDetected)
+        #expect(observation.airDropModePacketCount == 0)
+    }
+
+    #if os(iOS)
+    @Test
+    func iOSDetectsNonConnectableFCF1AdvertisementsWithoutServiceData() {
+        var classifier = AndroidAirDropModeClassifier(minimumRSSI: -70, requiredPacketsPerSignal: 2)
+
+        let firstAirDropMode = classifier.record(.iOSAirDropMode(rssi: -62))
+        #expect(!firstAirDropMode.isDetected)
+
+        let detected = classifier.record(.iOSAirDropMode(rssi: -61))
+        #expect(detected.isDetected)
+        #expect(detected.airDropModePacketCount == 2)
+        #expect(detected.strongestAirDropModeRSSI == -61)
+    }
+
+    @Test
+    func iOSIgnoresBackgroundFCF1AdvertisementsWithServiceData() {
+        var classifier = AndroidAirDropModeClassifier(minimumRSSI: -70, requiredPacketsPerSignal: 1)
+
+        classifier.record(.iOSBackgroundFCF1(rssi: -55))
+        let observation = classifier.record(.iOSBackgroundFCF1(rssi: -56))
+
+        #expect(!observation.isDetected)
+        #expect(observation.airDropModePacketCount == 0)
+    }
+    #else
+    @Test
+    func ignoresNearbyAppleAndBackgroundFCF1Advertisements() {
+        var classifier = AndroidAirDropModeClassifier(minimumRSSI: -70, requiredPacketsPerSignal: 1)
+
+        classifier.record(.advertisement(rssi: -50, manufacturerDataHex: "4c001006031dc4e5be78", serviceUUIDs: []))
+        classifier.record(.advertisement(rssi: -55, manufacturerDataHex: nil, serviceUUIDs: ["FCF1"]))
+        classifier.record(.advertisement(rssi: -56, manufacturerDataHex: "4c00051200000000000000000128b429412f624af300", serviceUUIDs: []))
+        let observation = classifier.record(
+            .advertisement(
+                rssi: -56,
+                manufacturerDataHex: "4c00051200000000000000000028b429412f624af300",
+                serviceUUIDs: ["FCF1"]
+            )
+        )
+
+        #expect(!observation.isDetected)
+        #expect(observation.airDropModePacketCount == 0)
+    }
+    #endif
+
+    @Test
+    func scansOnlyForAirDropModeServiceAndAllowsDuplicatePackets() {
+        #expect(AndroidAirDropModeDetector.scanServiceUUIDs.map(\.uuidString) == [AndroidAirDropModeClassifier.airDropModeServiceUUID])
+        #expect(AndroidAirDropModeDetector.scanOptions[CBCentralManagerScanOptionAllowDuplicatesKey] as? Bool == true)
+    }
+}
+
+private extension AndroidAirDropAdvertisement {
+    static func iOSAirDropMode(rssi: Int) -> Self {
+        advertisement(
+            rssi: rssi,
+            manufacturerDataHex: nil,
+            serviceUUIDs: ["FCF1"],
+            isConnectable: false
+        )
+    }
+
+    static func iOSBackgroundFCF1(rssi: Int) -> Self {
+        advertisement(
+            rssi: rssi,
+            manufacturerDataHex: nil,
+            serviceUUIDs: ["FCF1"],
+            serviceDataHexByUUID: ["FCF1": "0407329497cd97ce4739a79920b877a45bb8d6d1a7"],
+            isConnectable: true
+        )
+    }
+
+    static func airDropMode(rssi: Int) -> Self {
+        airDropMode(manufacturerDataSuffix: "28b429412f624af300", rssi: rssi)
+    }
+
+    static func airDropMode(manufacturerDataSuffix: String, rssi: Int) -> Self {
+        advertisement(
+            rssi: rssi,
+            manufacturerDataHex: "4c000512000000000000000001\(manufacturerDataSuffix)",
+            serviceUUIDs: ["FCF1"]
+        )
+    }
+
+    static func advertisement(
+        rssi: Int,
+        manufacturerDataHex: String?,
+        serviceUUIDs: Set<String>,
+        serviceDataHexByUUID: [String: String] = [:],
+        isConnectable: Bool? = nil
+    ) -> Self {
+        AndroidAirDropAdvertisement(
+            rssi: rssi,
+            manufacturerDataHex: manufacturerDataHex,
+            serviceUUIDs: serviceUUIDs,
+            serviceDataHexByUUID: serviceDataHexByUUID,
+            isConnectable: isConnectable
+        )
+    }
+}

QuickDropiOS/InfoPlist.xcstrings

@@ -25,6 +25,472 @@
         }
       }
     },
+    "NSBluetoothAlwaysUsageDescription" : {
+      "comment" : "Privacy - Bluetooth Always Usage Description",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "يستخدم QuickDrop تقنية Bluetooth لتحسين اكتشاف الأجهزة القريبة."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilitza Bluetooth per millorar la detecció de dispositius propers."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop používá Bluetooth pro vylepšenou detekci zařízení v okolí."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruger Bluetooth til forbedret registrering af enheder i nærheden."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop verwendet Bluetooth für eine verbesserte Erkennung von Geräten in der Nähe."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Το QuickDrop χρησιμοποιεί Bluetooth για βελτιωμένο εντοπισμό κοντινών συσκευών."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop käyttää Bluetoothia läheisten laitteiden parempaan havaitsemiseen."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop משתמש ב-Bluetooth לזיהוי משופר של מכשירים בקרבת מקום."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop आस-पास के डिवाइस की बेहतर पहचान के लिए Bluetooth का उपयोग करता है।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop koristi Bluetooth za poboljšano otkrivanje uređaja u blizini."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A QuickDrop Bluetoothot használ a közeli eszközök fejlettebb felismeréséhez."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk deteksi perangkat terdekat yang lebih baik."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa il Bluetooth per un rilevamento migliorato dei dispositivi nelle vicinanze."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDropは、近くのデバイスをより正確に検出するためにBluetoothを使用します。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop은 주변 기기를 더 잘 감지하기 위해 Bluetooth를 사용합니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk pengesanan peranti berdekatan yang dipertingkatkan."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruker Bluetooth for forbedret oppdagelse av enheter i nærheten."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop gebruikt Bluetooth voor verbeterde detectie van apparaten in de buurt."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop używa Bluetooth do ulepszonego wykrywania pobliskich urządzeń."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a detecção de dispositivos próximos."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a deteção de dispositivos próximos."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop folosește Bluetooth pentru detectarea îmbunătățită a dispozitivelor din apropiere."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop использует Bluetooth для улучшенного обнаружения устройств поблизости."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop använder Bluetooth för förbättrad upptäckt av enheter i närheten."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop ใช้ Bluetooth เพื่อการตรวจจับอุปกรณ์ใกล้เคียงที่ดียิ่งขึ้น"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop, yakındaki cihazları daha iyi algılamak için Bluetooth kullanır."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop використовує Bluetooth для покращеного виявлення пристроїв поблизу."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop sử dụng Bluetooth để phát hiện thiết bị lân cận tốt hơn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用蓝牙来增强附近设备检测。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用藍牙來增強附近裝置偵測。"
+          }
+        }
+      }
+    },
+    "NSBluetoothPeripheralUsageDescription" : {
+      "comment" : "Privacy - Bluetooth Peripheral Usage Description",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "يستخدم QuickDrop تقنية Bluetooth لتحسين اكتشاف الأجهزة القريبة."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilitza Bluetooth per millorar la detecció de dispositius propers."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop používá Bluetooth pro vylepšenou detekci zařízení v okolí."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruger Bluetooth til forbedret registrering af enheder i nærheden."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop verwendet Bluetooth für eine verbesserte Erkennung von Geräten in der Nähe."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Το QuickDrop χρησιμοποιεί Bluetooth για βελτιωμένο εντοπισμό κοντινών συσκευών."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop uses Bluetooth for enhanced nearby device detection."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa Bluetooth para mejorar la detección de dispositivos cercanos."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop käyttää Bluetoothia läheisten laitteiden parempaan havaitsemiseen."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop utilise le Bluetooth pour améliorer la détection des appareils à proximité."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop משתמש ב-Bluetooth לזיהוי משופר של מכשירים בקרבת מקום."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop आस-पास के डिवाइस की बेहतर पहचान के लिए Bluetooth का उपयोग करता है।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop koristi Bluetooth za poboljšano otkrivanje uređaja u blizini."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A QuickDrop Bluetoothot használ a közeli eszközök fejlettebb felismeréséhez."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk deteksi perangkat terdekat yang lebih baik."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop usa il Bluetooth per un rilevamento migliorato dei dispositivi nelle vicinanze."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDropは、近くのデバイスをより正確に検出するためにBluetoothを使用します。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop은 주변 기기를 더 잘 감지하기 위해 Bluetooth를 사용합니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop menggunakan Bluetooth untuk pengesanan peranti berdekatan yang dipertingkatkan."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop bruker Bluetooth for forbedret oppdagelse av enheter i nærheten."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop gebruikt Bluetooth voor verbeterde detectie van apparaten in de buurt."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop używa Bluetooth do ulepszonego wykrywania pobliskich urządzeń."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a detecção de dispositivos próximos."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O QuickDrop usa Bluetooth para melhorar a deteção de dispositivos próximos."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop folosește Bluetooth pentru detectarea îmbunătățită a dispozitivelor din apropiere."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop использует Bluetooth для улучшенного обнаружения устройств поблизости."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop använder Bluetooth för förbättrad upptäckt av enheter i närheten."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop ใช้ Bluetooth เพื่อการตรวจจับอุปกรณ์ใกล้เคียงที่ดียิ่งขึ้น"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop, yakındaki cihazları daha iyi algılamak için Bluetooth kullanır."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop використовує Bluetooth для покращеного виявлення пристроїв поблизу."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop sử dụng Bluetooth để phát hiện thiết bị lân cận tốt hơn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用蓝牙来增强附近设备检测。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "QuickDrop 使用藍牙來增強附近裝置偵測。"
+          }
+        }
+      }
+    },
     "NSHumanReadableCopyright" : {
       "comment" : "Copyright (human-readable)",
       "extractionState" : "extracted_with_value",

QuickDropiOS/ShareViewModel.swift

@@ -47,7 +47,7 @@ class SendModel: ObservableObject, OutboundAppDelegate {
     
     func connectionFailed(with error: any Error) {
         
-        ErrorAlertHandler.shared.showErrorAlert(for: selectedDevice?.name ?? "?", error: error)
+        ErrorAlertHandler.shared.showErrorAlert(for: selectedDevice?.name ?? "?", error: error, isQuickDropPeer: selectedDevice?.isQuickDropPeer ?? false)
         
         progressValue = nil
         selectedDevice = nil

QuickDropiOS/View/ContentView.swift

@@ -13,8 +13,52 @@ struct ContentView: View {
     
     @ObservedObject var luiSettings = LUISettings.sharedInstance
     @ObservedObject var iapManager = IAPManager.sharedInstance
+
+    #if !EXTENSION
+    @ObservedObject private var bluetoothPermission = BluetoothPermissionManager.shared
+    @Environment(\.scenePhase) private var scenePhase
+    @State private var showAndroidAirDropModeIssue = false
+    @State private var didShowAndroidAirDropModeIssue = false
+    @State private var shouldRequestBluetoothPermissionAutomatically = LUISettings.sharedInstance.appLaunchedBefore
+    #endif
     
     var body: some View {
+        #if !EXTENSION
+        rootContent
+            .sheet(isPresented: $showAndroidAirDropModeIssue) {
+                NavigationView {
+                    AndroidAirDropModeIssueView()
+                        .navigationTitle(String("QuickDrop"))
+                        .navigationBarTitleDisplayMode(.inline)
+                        .navigationBarItems(trailing: XButton(action: { showAndroidAirDropModeIssue = false }))
+                }
+            }
+            .onAppear {
+                requestBluetoothPermissionForExistingUserIfNeeded()
+                startAndroidAirDropModeDetectionIfAllowed()
+            }
+            .onChange(of: bluetoothPermission.authorization) { _ in
+                startAndroidAirDropModeDetectionIfAllowed()
+            }
+            .onChange(of: scenePhase) { newValue in
+                switch newValue {
+                case .active:
+                    requestBluetoothPermissionForExistingUserIfNeeded()
+                    startAndroidAirDropModeDetectionIfAllowed()
+                case .background:
+                    AndroidAirDropModeDetector.shared.stop()
+                case .inactive:
+                    break
+                @unknown default:
+                    break
+                }
+            }
+        #else
+        rootContent
+        #endif
+    }
+
+    private var rootContent: some View {
         AppRootView(phoneView: {
             DeviceListView()
                 .environment(\.sheetActive, isShareExtension())
@@ -26,16 +70,81 @@ struct ContentView: View {
                     NavigationLinkLabel(imageName: "folder.fill", text: "BrowseDownloadedFiles")
                 }
                 
-                LUILink(destination: NavigationSubView(header: "TrustedDevices") {
+                LUILink(destination: TrustedDevicesView()) {
-                    TrustedDevicesView()
-                }) {
                     NavigationLinkLabel(imageName: "checkmark.shield.fill", text: "ManageTrustedDevices", backgroundColor: .green)
                 }
             }
+
+            CustomSection {
+                LUILink(destination: QuickDropFAQSettingsView()) {
+                    NavigationLinkLabel(imageName: "questionmark.circle.fill", text: "TroubleshootingAndFaq", backgroundColor: .orange)
+                }
+            }
         }, firstIntroductionView: {
             LocalNetworkPermissionView()
         })
     }
+
+    #if !EXTENSION
+    private func requestBluetoothPermissionForExistingUserIfNeeded() {
+        guard shouldRequestBluetoothPermissionAutomatically else { return }
+
+        requestBluetoothPermissionIfNeeded()
+    }
+
+    private func requestBluetoothPermissionIfNeeded() {
+        bluetoothPermission.refresh()
+
+        guard bluetoothPermission.canRequestPermission else { return }
+
+        log("[ContentView] Requesting Bluetooth permission for Android AirDrop mode detection.")
+
+        bluetoothPermission.requestPermission { allowed in
+            log("[ContentView] Bluetooth permission request completed. allowed=\(allowed)")
+
+            guard allowed else { return }
+
+            DispatchQueue.main.async {
+                startAndroidAirDropModeDetectionIfAllowed()
+            }
+        }
+    }
+
+    private func startAndroidAirDropModeDetectionIfAllowed() {
+        guard !didShowAndroidAirDropModeIssue else { return }
+
+        bluetoothPermission.refresh()
+
+        guard bluetoothPermission.isAllowed else { return }
+
+        AndroidAirDropModeDetector.shared.start { _ in
+            DispatchQueue.main.async {
+                guard !didShowAndroidAirDropModeIssue else { return }
+
+                didShowAndroidAirDropModeIssue = true
+                showAndroidAirDropModeIssue = true
+            }
+        }
+    }
+    #endif
+}
+
+private struct QuickDropFAQSettingsView: View {
+
+    private let faqItems: [FAQItem] = [
+        .init(question: "FaqNotVisibleOrConnectingQuestion", answer: "FaqNotVisibleOrConnectingAnswer"),
+        .init(question: "FaqPhotoDateNotPreservedQuestion", answer: "FaqPhotoDateNotPreservedAnswer"),
+        .init(question: "FaqAndroidDeviceNotVisibleQuestion", answer: "FaqAndroidDeviceNotVisibleAnswer"),
+        .init(question: "FaqTrustedDevicesQuestion", answer: "FaqTrustedDevicesAnswer"),
+        .init(question: "MultipleFilesSendingQuestion", answer: "MultipleFilesSendingAnswer"),
+        .init(question: "FaqBugQuestion", answer: "FaqBugAnswer"),
+    ]
+
+    var body: some View {
+        NavigationSubView(header: "TroubleshootingAndFaq") {
+            FAQView(faqItems: faqItems)
+        }
+    }
 }
 
 struct DeviceListView: View {

QuickDropiOS/View/FilePicker.swift

@@ -70,6 +70,8 @@ struct SendPickerButton<Label: View>: View {
                 selectedPhotoItems = []
             } catch {
                 log("Could not fetch photo URLs: \(error)")
+                onResult(nil, nil)   // let the caller dismiss the "preparing" it opened on `onPrepare`
+                selectedPhotoItems = []
             }
         }
     }

QuickDropiOS/View/LocalNetworkPermissionView.swift

@@ -27,9 +27,13 @@ public struct LocalNetworkPermissionView: View {
                 let manager = NearbyConnectionManager.shared
                 manager.startDeviceDiscovery()
             }
-        }, continueLabel: "introduction_continue", canSkip: false, nextView: {
+        }, continueLabel: "introduction_continue", nextView: {
+            #if !EXTENSION
+            BluetoothPermissionView()
+            #else
             IntroductionDoneView()
-        }, nextViewSkip: {}, topView: {
+            #endif
+        }, topView: {
             IntroductionIconView(icon: "wifi")
         })
         .onChange(of: scenePhase) { newValue in
@@ -41,6 +45,49 @@ public struct LocalNetworkPermissionView: View {
     }
 }
 
+#if !EXTENSION
+private struct BluetoothPermissionView: View {
+
+    @ObservedObject private var bluetoothPermission = BluetoothPermissionManager.shared
+    @State private var requestedBluetoothAccess = false
+
+    var body: some View {
+        PermissionView(title: "BluetoothPermissionRequiredTitle",
+                       watchSymbol: "",
+                       subtitle: "BluetoothPermissionRequiredSubtitle",
+                       permissionAction: requestBluetoothAccess,
+                       continueLabel: "introduction_continue",
+                       nextView: {
+                           IntroductionDoneView()
+                       },
+                       topView: {
+                           IntroductionIconView(icon: "antenna.radiowaves.left.and.right")
+                       })
+    }
+
+    private func requestBluetoothAccess() {
+        requestedBluetoothAccess = true
+        bluetoothPermission.refresh()
+
+        if bluetoothPermission.isAllowed {
+            IntroductionViewController.sharedInstance.canProceed = true
+            return
+        }
+
+        guard bluetoothPermission.canRequestPermission else {
+            IntroductionViewController.sharedInstance.canProceed = true
+            return
+        }
+
+        bluetoothPermission.requestPermission { _ in
+            DispatchQueue.main.async {
+                IntroductionViewController.sharedInstance.canProceed = true
+            }
+        }
+    }
+}
+#endif
+
 
 #Preview {
     NavigationView {

ShareExtension/ShareViewController.swift

@@ -92,6 +92,9 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
         flowLayout.minimumLineSpacing = 10
         listView!.collectionViewLayout = flowLayout
         listView!.dataSource = self
+        listView!.delegate = self
+        listView!.isSelectable = true
+        listView!.allowsMultipleSelection = false
         
         progressDeviceIconWrap!.wantsLayer = true
         progressDeviceIconWrap!.layer!.masksToBounds = false
@@ -225,8 +228,13 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
         progressProgressBar?.doubleValue = 0
         lastError = error
         
-        ErrorAlertHandler.shared.showErrorAlert(for: chosenDevice?.name ?? "", error: error)
+        ErrorAlertHandler.shared.showErrorAlert(
-        self.extensionContext!.cancelRequest(withError: error)
+            for: chosenDevice?.name ?? "",
+            error: error,
+            isQuickDropPeer: chosenDevice?.isQuickDropPeer ?? false
+        ) { [weak self] in
+            self?.extensionContext?.cancelRequest(withError: error)
+        }
     }
     
     
@@ -247,6 +255,7 @@ class ShareViewController: NSViewController, OutboundAppDelegate {
     
     
     func selectDevice(device: RemoteDeviceInfo) {
+        guard chosenDevice == nil else { return }
         
         listViewWrapper?.animator().isHidden = true
         dontSeeDeviceButton?.animator().isHidden = true
@@ -392,7 +401,7 @@ extension ShareViewController: NSCollectionViewDataSource {
         
         guard let collectionViewItem = item as? DeviceListCell else { return item }
         
-        let device = foundDevices[indexPath[1]]
+        let device = foundDevices[indexPath.item]
         
         collectionViewItem.configure(
             deviceName: getDeviceName(device: device),
@@ -417,6 +426,20 @@ extension ShareViewController: NSCollectionViewDataSource {
 }
 
 
+extension ShareViewController: NSCollectionViewDelegate {
+
+    func collectionView(_ collectionView: NSCollectionView, didSelectItemsAt indexPaths: Set<IndexPath>) {
+        guard let indexPath = indexPaths.first else { return }
+
+        let itemIndex = indexPath.item
+        guard foundDevices.indices.contains(itemIndex) else { return }
+
+        collectionView.deselectItems(at: indexPaths)
+        selectDevice(device: foundDevices[itemIndex])
+    }
+}
+
+
 fileprivate func openPrivacyAndSecuritySettings() {
     guard let url = URL(string: "x-apple.systempreferences:com.apple.settings.PrivacySecurity.extension") else { return }
     NSWorkspace.shared.open(url)

ShareExtension/View/DeviceListCell.swift

@@ -19,6 +19,11 @@ class DeviceListCell: NSCollectionViewItem {
         btn.action = #selector(onClick)
         btn.target = self
 
+        addClickRecognizer(to: view)
+        addClickRecognizer(to: textField)
+        addClickRecognizer(to: imageView)
+        addClickRecognizer(to: peerMarkerView)
+
         peerMarkerView?.image = NSImage(named: "MenuBarIcon")
         peerMarkerView?.image?.isTemplate = true
         peerMarkerView?.contentTintColor = .white
@@ -34,4 +39,12 @@ class DeviceListCell: NSCollectionViewItem {
         imageView?.image = deviceImage
         peerMarkerView?.isHidden = !showsQuickDropPeerMarker
     }
+
+    private func addClickRecognizer(to targetView: NSView?) {
+        guard let targetView else { return }
+
+        let recognizer = NSClickGestureRecognizer(target: self, action: #selector(onClick(_:)))
+        recognizer.buttonMask = 0x1
+        targetView.addGestureRecognizer(recognizer)
+    }
 }

scripts/use-dev-share-extension.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+#
+# Make Finder > Share > QuickDrop use the app Xcode just built (not a stale Release/archive copy).
+#
+# macOS LaunchServices registers EVERY QuickDrop.app on disk that shares the bundle id
+# (com.leonboettger.neardrop) -- Debug build, Release build, archives, old DerivedData, ... -- and the
+# share sheet then picks among those duplicates heuristically, so a stale copy can run instead of the
+# one you just built. This script makes the freshly built app the ONLY registered copy of that bundle id.
+#
+# Usage:
+#   - Standalone:  scripts/use-dev-share-extension.sh        (re-points Finder at the newest Debug build)
+#   - Xcode:       add as a Run post-action (Product > Scheme > Edit Scheme > Run > Post-actions >
+#                  "+" > New Run Script Action; "Provide build settings from: QuickDrop"; paste:
+#                      "${SRCROOT}/scripts/use-dev-share-extension.sh"
+#                  Post-actions run outside the build sandbox, so lsregister/mdfind work there even
+#                  though ENABLE_USER_SCRIPT_SANDBOXING is YES for build phases.
+#
+# `set -u` (not -e): a transient lsregister hiccup shouldn't fail the Xcode Run post-action (red dialog).
+set -u
+
+LSREGISTER="/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister"
+BUNDLE_ID="com.leonboettger.neardrop"
+
+# Prefer the app Xcode just built (post-action provides these); else the newest Debug build on disk.
+APP=""
+if [ "${BUILT_PRODUCTS_DIR:-}" != "" ] && [ "${WRAPPER_NAME:-}" != "" ] && [ -d "${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}" ]; then
+  APP="${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}"
+else
+  APP="$(mdfind "kMDItemCFBundleIdentifier == '${BUNDLE_ID}'" 2>/dev/null | grep '/Build/Products/Debug/QuickDrop.app$' | head -1)"
+fi
+
+if [ -z "${APP}" ] || [ ! -d "${APP}" ]; then
+  echo "use-dev-share-extension: no QuickDrop Debug build found -- build it in Xcode first." >&2
+  exit 0
+fi
+
+# Unregister every OTHER on-disk copy of the bundle id, then (re)register only this one.
+mdfind "kMDItemCFBundleIdentifier == '${BUNDLE_ID}'" 2>/dev/null | while IFS= read -r other; do
+  [ "${other}" = "${APP}" ] && continue
+  "${LSREGISTER}" -u "${other}" 2>/dev/null || true
+done
+"${LSREGISTER}" -f "${APP}"
+
+# Drop any stale running extension so the next Share rebuilds against the fresh registration.
+pkill -f "${BUNDLE_ID}.ShareExtension" 2>/dev/null || true
+
+echo "use-dev-share-extension: Finder Share -> QuickDrop now points at:"
+echo "  ${APP}"