Allow Developers to Manually Request Permissions when using CameraView, FileSaver, FolderPicker and SpeechToText

samples/CommunityToolkit.Maui.Sample/Pages/Views/CameraView/CameraViewPage.xaml.cs

@@ -28,7 +28,20 @@ public CameraViewPage(CameraViewViewModel viewModel, IFileSystem fileSystem, IFi
 	protected override async void OnAppearing()
 	{
 		base.OnAppearing();
+		var cameraRequest = await Permissions.RequestAsync<Permissions.Camera>();
+		var microphoneRequest = await Permissions.RequestAsync<Permissions.Microphone>();
+		if (cameraRequest is not PermissionStatus.Granted)
+		{
+			Trace.TraceInformation("Camera permission is not granted.");
+			return;
+		}
 
+		if (microphoneRequest is not PermissionStatus.Granted)
+		{
+			Trace.TraceInformation("Microphone permission is not granted.");
+			return;
+		}
+
 		var cancellationTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(3));
 		await BindingContext.RefreshCamerasCommand.ExecuteAsync(cancellationTokenSource.Token);
 	}
@@ -124,6 +137,12 @@ async void SaveVideo(object? sender, EventArgs e)
 		}
 		else
 		{
+			var status = await Permissions.RequestAsync<Permissions.StorageWrite>();
+			if (status is not PermissionStatus.Granted)
+			{
+				throw new PermissionException("Storage permission is not granted.");
+			}
+
 			await fileSaver.SaveAsync("recording.mp4", videoRecordingStream);
 			await videoRecordingStream.DisposeAsync();
 			videoRecordingStream = Stream.Null;

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/FileSaverViewModel.cs

@@ -14,6 +14,7 @@ public partial class FileSaverViewModel(IFileSaver fileSaver) : BaseViewModel
 	[RelayCommand]
 	async Task SaveFile(CancellationToken cancellationToken)
 	{
+		await RequestPermissions();
 		using var stream = new MemoryStream(Encoding.Default.GetBytes("Hello from the Community Toolkit!"));
 		try
 		{
@@ -32,6 +33,7 @@ async Task SaveFile(CancellationToken cancellationToken)
 	[RelayCommand]
 	async Task SaveFileStatic(CancellationToken cancellationToken)
 	{
+		await RequestPermissions();
 		using var stream = new MemoryStream(Encoding.Default.GetBytes("Hello from the Community Toolkit!"));
 		var fileSaveResult = await FileSaver.SaveAsync("DCIM", "test.txt", stream, cancellationToken);
 		if (fileSaveResult.IsSuccessful)
@@ -47,6 +49,7 @@ async Task SaveFileStatic(CancellationToken cancellationToken)
 	[RelayCommand]
 	async Task SaveFileInstance(CancellationToken cancellationToken)
 	{
+		await RequestPermissions();
 		using var client = new HttpClient();
 
 		const string communityToolkitNuGetUrl = "https://www.nuget.org/api/v2/package/CommunityToolkit.Maui/5.0.0";
@@ -67,4 +70,10 @@ async Task SaveFileInstance(CancellationToken cancellationToken)
 			await Toast.Make($"File is not saved, {ex.Message}").Show(cancellationToken);
 		}
 	}
+
+	async Task RequestPermissions()
+	{
+		await Permissions.RequestAsync<Permissions.StorageRead>();
+		await Permissions.RequestAsync<Permissions.StorageWrite>();
+	}
 }

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/FolderPickerViewModel.cs

@@ -17,6 +17,7 @@ public FolderPickerViewModel(IFolderPicker folderPicker)
 	[RelayCommand]
 	async Task PickFolder(CancellationToken cancellationToken)
 	{
+		await RequestPermissions();
 		var folderPickerResult = await folderPicker.PickAsync(cancellationToken);
 		if (folderPickerResult.IsSuccessful)
 		{
@@ -31,6 +32,7 @@ async Task PickFolder(CancellationToken cancellationToken)
 	[RelayCommand]
 	async Task PickFolderStatic(CancellationToken cancellationToken)
 	{
+		await RequestPermissions();
 		var folderResult = await FolderPicker.PickAsync("DCIM", cancellationToken);
 		if (folderResult.IsSuccessful)
 		{
@@ -46,6 +48,7 @@ async Task PickFolderStatic(CancellationToken cancellationToken)
 	[RelayCommand]
 	async Task PickFolderInstance(CancellationToken cancellationToken)
 	{
+		await RequestPermissions();
 		var folderPickerInstance = new FolderPickerImplementation();
 		try
 		{
@@ -62,4 +65,10 @@ async Task PickFolderInstance(CancellationToken cancellationToken)
 			await Toast.Make($"Folder is not picked, {e.Message}").Show(cancellationToken);
 		}
 	}
+
+	async Task RequestPermissions()
+	{
+		await Permissions.RequestAsync<Permissions.StorageRead>();
+		await Permissions.RequestAsync<Permissions.StorageWrite>();
+	}
 }

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/OfflineSpeechToTextViewModel.cs

@@ -27,7 +27,7 @@ public OfflineSpeechToTextViewModel()
 	[RelayCommand]
 	async Task StartListen()
 	{
-		var isGranted = await speechToText.RequestPermissions(CancellationToken.None);
+		var isGranted = await RequestPermissions();
 		if (!isGranted)
 		{
 			await Toast.Make("Permission not granted").Show(CancellationToken.None);
@@ -74,4 +74,11 @@ void HandleSpeechToTextStateChanged(object? sender, SpeechToTextStateChangedEven
 	{
 		OnPropertyChanged(nameof(State));
 	}
+
+	async Task<bool> RequestPermissions()
+	{
+		var microphoneGranted = await Permissions.RequestAsync<Permissions.Microphone>();
+		var recognitionGranted = await SpeechToText.RequestPermissions(CancellationToken.None);
+		return microphoneGranted == PermissionStatus.Granted && recognitionGranted;
+	}
 }

samples/CommunityToolkit.Maui.Sample/ViewModels/Essentials/SpeechToTextViewModel.cs

@@ -85,7 +85,7 @@ async Task StartListen()
 		CanStartListenExecute = false;
 		CanStopListenExecute = true;
 
-		var isGranted = await speechToText.RequestPermissions(CancellationToken.None);
+		var isGranted = await RequestPermissions();
 		if (!isGranted)
 		{
 			await Toast.Make("Permission not granted").Show(CancellationToken.None);
@@ -151,4 +151,11 @@ public async ValueTask DisposeAsync()
 	{
 		await speechToText.DisposeAsync();
 	}
+
+	async Task<bool> RequestPermissions()
+	{
+		var microphoneGranted = await Permissions.RequestAsync<Permissions.Microphone>();
+		var recognitionGranted = await SpeechToText.RequestPermissions(CancellationToken.None);
+		return microphoneGranted == PermissionStatus.Granted && recognitionGranted;
+	}
 }

src/CommunityToolkit.Maui.Camera/CameraManager.shared.cs

@@ -15,38 +15,15 @@
 /// <exception cref="NullReferenceException">Thrown when no <see cref="CameraProvider"/> can be resolved.</exception>
 /// <exception cref="InvalidOperationException">Thrown when there are no cameras available.</exception>
 partial class CameraManager(
 	IMauiContext mauiContext,
 	ICameraView cameraView,
 	ICameraProvider cameraProvider,
 	Action onLoaded) : IDisposable
 {
 	internal Action OnLoaded { get; } = onLoaded;
 
 	internal bool IsInitialized { get; private set; }
 
-	/// <summary>
-	/// Whether the user has granted the required permissions through the use of the <see cref="Permissions"/> API.
-	/// </summary>
-	/// <returns>Returns <c>true</c> if permission has been granted, <c>false</c> otherwise.</returns>
-	public async Task<bool> ArePermissionsGranted()
-	{
-		var cameraRequest = await Permissions.RequestAsync<Permissions.Camera>();
-		var microphoneRequest = await Permissions.RequestAsync<Permissions.Microphone>();
-		if (cameraRequest is not PermissionStatus.Granted)
-		{
-			Trace.TraceInformation("Camera permission is not granted.");
-			return false;
-		}
-
-		if (microphoneRequest is not PermissionStatus.Granted)
-		{
-			Trace.TraceInformation("Microphone permission is not granted.");
-			return false;
-		}
-
-		return true;
-	}
-
 	/// <summary>
 	/// Connects to the camera.
 	/// </summary>

src/CommunityToolkit.Maui.Camera/Handlers/CameraViewHandler.shared.cs

@@ -88,7 +88,6 @@ protected override async void ConnectHandler(NativePlatformCameraPreviewView pla
 	{
 		base.ConnectHandler(platformView);
 
-		await CameraManager.ArePermissionsGranted();
 		await CameraManager.ConnectCamera(CancellationToken.None);
 		await cameraProvider.RefreshAvailableCameras(CancellationToken.None);
 	}

src/CommunityToolkit.Maui.Core/Essentials/FileSaver/FileSaverImplementation.android.cs

@@ -23,16 +23,7 @@ static async Task<string> InternalSaveAsync(string initialPath, string fileName,
 		}
 
 		AndroidUri? filePath = null;
-
-		if (!OperatingSystem.IsAndroidVersionAtLeast(33))
-		{
-			var status = await Permissions.RequestAsync<Permissions.StorageWrite>().WaitAsync(cancellationToken).ConfigureAwait(false);
-			if (status is not PermissionStatus.Granted)
-			{
-				throw new PermissionException("Storage permission is not granted.");
-			}
-		}
-
+
 		if (Android.OS.Environment.ExternalStorageDirectory is not null)
 		{
 			initialPath = initialPath.Replace(Android.OS.Environment.ExternalStorageDirectory.AbsolutePath, string.Empty, StringComparison.InvariantCulture);

src/CommunityToolkit.Maui.Core/Essentials/FileSaver/FileSaverImplementation.tizen.cs

@@ -7,12 +7,6 @@ public sealed partial class FileSaverImplementation : IFileSaver
 {
 	async Task<string> InternalSaveAsync(string initialPath, string fileName, Stream stream, IProgress<double>? progress, CancellationToken cancellationToken)
 	{
-		var status = await Permissions.RequestAsync<Permissions.StorageRead>().WaitAsync(cancellationToken);
-		if (status is not PermissionStatus.Granted)
-		{
-			throw new PermissionException("Storage permission is not granted.");
-		}
-
 		using var dialog = new FileFolderDialog(true, initialPath, fileName: fileName);
 		var path = await dialog.Open().WaitAsync(cancellationToken).ConfigureAwait(false);
 

src/CommunityToolkit.Maui.Core/Essentials/FolderPicker/FolderPickerImplementation.android.cs

@@ -24,15 +24,6 @@ static async Task<Folder> InternalPickAsync(string initialPath, CancellationToke
 
 		Folder? folder = null;
 
-		if (!OperatingSystem.IsAndroidVersionAtLeast(33))
-		{
-			var statusRead = await Permissions.RequestAsync<Permissions.StorageRead>().WaitAsync(cancellationToken).ConfigureAwait(false);
-			if (statusRead is not PermissionStatus.Granted)
-			{
-				throw new PermissionException("Storage permission is not granted.");
-			}
-		}
-
 		if (Android.OS.Environment.ExternalStorageDirectory is not null)
 		{
 			initialPath = initialPath.Replace(Android.OS.Environment.ExternalStorageDirectory.AbsolutePath, string.Empty, StringComparison.InvariantCulture);

src/CommunityToolkit.Maui.Core/Essentials/FolderPicker/FolderPickerImplementation.tizen.cs

@@ -8,12 +8,6 @@ public sealed partial class FolderPickerImplementation : IFolderPicker
 {
 	async Task<Folder> InternalPickAsync(string initialPath, CancellationToken cancellationToken)
 	{
-		var status = await Permissions.RequestAsync<Permissions.StorageRead>().WaitAsync(cancellationToken);
-		if (status is not PermissionStatus.Granted)
-		{
-			throw new PermissionException("Storage permission is not granted.");
-		}
-
 		using var dialog = new FileFolderDialog(false, initialPath);
 		var path = await dialog.Open().WaitAsync(cancellationToken).ConfigureAwait(false);
 

src/CommunityToolkit.Maui.Core/Essentials/SpeechToText/OfflineSpeechToTextImplementation.shared.cs

@@ -35,13 +35,6 @@ public event EventHandler<SpeechToTextStateChangedEventArgs> StateChanged
 	public async Task StartListenAsync(SpeechToTextOptions options, CancellationToken cancellationToken = default)
 	{
 		cancellationToken.ThrowIfCancellationRequested();
-
-		var isPermissionGranted = await IsSpeechPermissionAuthorized(cancellationToken).ConfigureAwait(false);
-		if (!isPermissionGranted)
-		{
-			throw new PermissionException($"{nameof(Permissions)}.{nameof(Permissions.Microphone)} Not Granted");
-		}
-
 		await InternalStartListening(options, cancellationToken);
 	}
 
@@ -75,11 +68,5 @@ public async Task<bool> RequestPermissions(CancellationToken cancellationToken =
 		var status = await Permissions.RequestAsync<Permissions.Microphone>().WaitAsync(cancellationToken).ConfigureAwait(false);
 		return status is PermissionStatus.Granted;
 	}
-
-	static async Task<bool> IsSpeechPermissionAuthorized(CancellationToken cancellationToken)
-	{
-		var status = await Permissions.CheckStatusAsync<Permissions.Microphone>().WaitAsync(cancellationToken).ConfigureAwait(false);
-		return status is PermissionStatus.Granted;
-	}
 #endif
 }

src/CommunityToolkit.Maui.Core/Essentials/SpeechToText/SharedSpeechToTextImplementation.macios.cs

@@ -41,12 +41,6 @@ public Task<bool> RequestPermissions(CancellationToken cancellationToken = defau
 		return taskResult.Task.WaitAsync(cancellationToken);
 	}
 
-	static Task<bool> IsSpeechPermissionAuthorized(CancellationToken cancellationToken)
-	{
-		cancellationToken.ThrowIfCancellationRequested();
-		return Task.FromResult(SFSpeechRecognizer.AuthorizationStatus is SFSpeechRecognizerAuthorizationStatus.Authorized);
-	}
-
 	static void InitializeAvAudioSession(out AVAudioSession sharedAvAudioSession)
 	{
 		sharedAvAudioSession = AVAudioSession.SharedInstance();

src/CommunityToolkit.Maui.Core/Essentials/SpeechToText/SpeechToTextImplementation.shared.cs

@@ -36,12 +36,6 @@ public async Task StartListenAsync(SpeechToTextOptions options, CancellationToke
 	{
 		cancellationToken.ThrowIfCancellationRequested();
 
-		var isPermissionGranted = await IsSpeechPermissionAuthorized(cancellationToken).ConfigureAwait(false);
-		if (!isPermissionGranted)
-		{
-			throw new PermissionException($"{nameof(Permissions)}.{nameof(Permissions.Microphone)} Not Granted");
-		}
-
 		await InternalStartListeningAsync(options, cancellationToken).ConfigureAwait(false);
 	}
 
@@ -70,11 +64,5 @@ public async Task<bool> RequestPermissions(CancellationToken cancellationToken =
 		var status = await Permissions.RequestAsync<Permissions.Microphone>().WaitAsync(cancellationToken).ConfigureAwait(false);
 		return status is PermissionStatus.Granted;
 	}
-
-	static async Task<bool> IsSpeechPermissionAuthorized(CancellationToken cancellationToken)
-	{
-		var status = await Permissions.CheckStatusAsync<Permissions.Microphone>().WaitAsync(cancellationToken).ConfigureAwait(false);
-		return status is PermissionStatus.Granted;
-	}
 #endif
 }