static async Task <FileResult> PickAsync(MediaPickerOptions options, bool photo)
{
var picker = new FileOpenPicker();
var defaultTypes = photo ? FilePickerFileType.Images.Value : FilePickerFileType.Videos.Value;
// set picker properties
foreach (var filter in defaultTypes.Select(t => t.TrimStart('*')))
{
picker.FileTypeFilter.Add(filter);
}
picker.SuggestedStartLocation = photo ? PickerLocationId.PicturesLibrary : PickerLocationId.VideosLibrary;
picker.ViewMode = PickerViewMode.Thumbnail;
// show the picker
var result = await picker.PickSingleFileAsync();
// cancelled
if (result == null)
{
return(null);
}
// picked
return(new FileResult(result));
}
static async Task <FileResult> PlatformPickAsync(MediaPickerOptions options, bool photo)
{
// We only need the permission when accessing the file, but it's more natural
// to ask the user first, then show the picker.
await Permissions.EnsureGrantedAsync <Permissions.StorageRead>();
var intent = new Intent(Intent.ActionGetContent);
intent.SetType(photo ? FileSystem.MimeTypes.ImageAll : FileSystem.MimeTypes.VideoAll);
var pickerIntent = Intent.CreateChooser(intent, options?.Title);
try
{
string path = null;
void OnResult(Intent intent)
{
// The uri returned is only temporary and only lives as long as the Activity that requested it,
// so this means that it will always be cleaned up by the time we need it because we are using
// an intermediate activity.
path = FileSystem.EnsurePhysicalPath(intent.Data);
}
await IntermediateActivity.StartAsync(pickerIntent, Platform.requestCodeMediaPicker, onResult : OnResult);
return(new FileResult(path));
}
catch (OperationCanceledException)
{
return(null);
}
}
static async Task <FileResult> PlatformMediaAsync(MediaPickerOptions options, bool photo)
{
Permissions.EnsureDeclared <Permissions.LaunchApp>();
await Permissions.EnsureGrantedAsync <Permissions.StorageRead>();
var tcs = new TaskCompletionSource <FileResult>();
var appControl = new AppControl();
appControl.Operation = photo ? AppControlOperations.ImageCapture : AppControlOperations.VideoCapture;
appControl.LaunchMode = AppControlLaunchMode.Group;
var appId = AppControl.GetMatchedApplicationIds(appControl)?.FirstOrDefault();
if (!string.IsNullOrEmpty(appId))
{
appControl.ApplicationId = appId;
}
AppControl.SendLaunchRequest(appControl, (request, reply, result) =>
{
if (result == AppControlReplyResult.Succeeded && reply.ExtraData.Count() > 0)
{
var file = reply.ExtraData.Get <IEnumerable <string> >(AppControlData.Selected)?.FirstOrDefault();
tcs.TrySetResult(new FileResult(file));
}
else
{
tcs.TrySetCanceled();
}
});
return(await tcs.Task);
}
public static Task <FileResult> CaptureVideoAsync(MediaPickerOptions options = null)
{
if (!IsCaptureSupported)
{
throw new FeatureNotSupportedException();
}
return(PlatformCaptureVideoAsync(options));
}
/// <include file="../../docs/Microsoft.Maui.Essentials/MediaPicker.xml" path="//Member[@MemberName='CapturePhotoAsync']/Docs" />
public static Task <FileResult> CapturePhotoAsync(MediaPickerOptions options = null)
{
if (!IsCaptureSupported)
{
throw new FeatureNotSupportedException();
}
return(Current.CapturePhotoAsync(options));
}
static async Task <FileResult> PlatformCaptureAsync(MediaPickerOptions options, bool photo)
{
await Permissions.EnsureGrantedAsync <Permissions.Camera>();
await Permissions.EnsureGrantedAsync <Permissions.StorageWrite>();
var capturePhotoIntent = new Intent(photo ? MediaStore.ActionImageCapture : MediaStore.ActionVideoCapture);
if (!Platform.IsIntentSupported(capturePhotoIntent))
{
throw new FeatureNotSupportedException($"Either there was no camera on the device or '{capturePhotoIntent.Action}' was not added to the <queries> element in the app's manifest file. See more: https://developer.android.com/about/versions/11/privacy/package-visibility");
}
capturePhotoIntent.AddFlags(ActivityFlags.GrantReadUriPermission);
capturePhotoIntent.AddFlags(ActivityFlags.GrantWriteUriPermission);
try
{
var activity = Platform.GetCurrentActivity(true);
// Create the temporary file
var ext = photo
? FileSystem.Extensions.Jpg
: FileSystem.Extensions.Mp4;
var fileName = Guid.NewGuid().ToString("N") + ext;
var tmpFile = FileSystem.GetEssentialsTemporaryFile(Platform.AppContext.CacheDir, fileName);
// Set up the content:// uri
AndroidUri outputUri = null;
void OnCreate(Intent intent)
{
// Android requires that using a file provider to get a content:// uri for a file to be called
// from within the context of the actual activity which may share that uri with another intent
// it launches.
outputUri ??= FileProvider.GetUriForFile(tmpFile);
intent.PutExtra(MediaStore.ExtraOutput, outputUri);
}
// Start the capture process
await IntermediateActivity.StartAsync(capturePhotoIntent, Platform.requestCodeMediaCapture, OnCreate);
// Return the file that we just captured
return(new FileResult(tmpFile.AbsolutePath));
}
catch (OperationCanceledException)
{
return(null);
}
}
static async Task <FileResult> CaptureAsync(MediaPickerOptions options, bool photo)
{
var captureUi = new CameraCaptureUI();
if (photo)
{
captureUi.PhotoSettings.Format = CameraCaptureUIPhotoFormat.Jpeg;
}
else
{
captureUi.VideoSettings.Format = CameraCaptureUIVideoFormat.Mp4;
}
var file = await captureUi.CaptureFileAsync(photo?CameraCaptureUIMode.Photo : CameraCaptureUIMode.Video);
if (file != null)
{
return(new FileResult(file));
}
return(null);
}
static async Task <FileResult> PlatformPickVideoAsync(MediaPickerOptions options)
=> await FilePicker.PickAsync(new PickOptions
{
PickerTitle = options?.Title,
FileTypes = FilePickerFileType.Videos
});
static Task <FileResult> PlatformCapturePhotoAsync(MediaPickerOptions options) => CaptureAsync(options, true);
static Task <FileResult> PlatformCaptureVideoAsync(MediaPickerOptions options) => CaptureAsync(options, false);
static Task <FileResult> PlatformPickVideoAsync(MediaPickerOptions options) => PickAsync(options, false);
public static Task <FileResult> PickVideoAsync(MediaPickerOptions options = null) => PlatformPickVideoAsync(options);
static Task <FileResult> PlatformPickPhotoAsync(MediaPickerOptions options) => PickAsync(options, true);
static async Task <FileResult> PhotoAsync(MediaPickerOptions options, bool photo, bool pickExisting)
{
var sourceType = pickExisting ? UIImagePickerControllerSourceType.PhotoLibrary : UIImagePickerControllerSourceType.Camera;
var mediaType = photo ? UTType.Image : UTType.Movie;
if (!UIImagePickerController.IsSourceTypeAvailable(sourceType))
{
throw new FeatureNotSupportedException();
}
if (!UIImagePickerController.AvailableMediaTypes(sourceType).Contains(mediaType))
{
throw new FeatureNotSupportedException();
}
if (!photo)
{
await Permissions.EnsureGrantedAsync <Permissions.Microphone>();
}
// Check if picking existing or not and ensure permission accordingly as they can be set independently from each other
if (pickExisting && !Platform.HasOSVersion(11, 0))
{
await Permissions.EnsureGrantedAsync <Permissions.Photos>();
}
if (!pickExisting)
{
await Permissions.EnsureGrantedAsync <Permissions.Camera>();
}
var vc = Platform.GetCurrentViewController(true);
picker = new UIImagePickerController();
picker.SourceType = sourceType;
picker.MediaTypes = new string[] { mediaType };
picker.AllowsEditing = false;
if (!photo && !pickExisting)
{
picker.CameraCaptureMode = UIImagePickerControllerCameraCaptureMode.Video;
}
if (!string.IsNullOrWhiteSpace(options?.Title))
{
picker.Title = options.Title;
}
if (DeviceInfo.Idiom == DeviceIdiom.Tablet && picker.PopoverPresentationController != null && vc.View != null)
{
picker.PopoverPresentationController.SourceRect = vc.View.Bounds;
}
var tcs = new TaskCompletionSource <FileResult>(picker);
picker.Delegate = new PhotoPickerDelegate
{
CompletedHandler = info => GetFileResult(info, tcs)
};
if (picker.PresentationController != null)
{
picker.PresentationController.Delegate = new PhotoPickerPresentationControllerDelegate
{
CompletedHandler = info => GetFileResult(info, tcs)
};
}
await vc.PresentViewControllerAsync(picker, true);
var result = await tcs.Task;
await vc.DismissViewControllerAsync(true);
picker?.Dispose();
picker = null;
return(result);
}
static Task <FileResult> PlatformCaptureVideoAsync(MediaPickerOptions options) => throw new NotImplementedInReferenceAssemblyException();
/// <include file="../../docs/Microsoft.Maui.Essentials/MediaPicker.xml" path="//Member[@MemberName='PickVideoAsync']/Docs" /> public static Task <FileResult> PickVideoAsync(MediaPickerOptions options = null) => Current.PickVideoAsync(options);
static async Task <FileResult> PlatformPickVideoAsync(MediaPickerOptions options)
=> new FileResult(await FilePicker.PickAsync(new PickOptions
{
FileTypes = FilePickerFileType.Videos
}));
