private void VerifyOptions(StoreMediaOptions options)
{
if (options == null)
throw new ArgumentNullException("options");
if (Path.IsPathRooted(options.Directory))
throw new ArgumentException("options.Directory must be a relative path", "options");
}
internal static Camera CreateCamera(OperationType operationType, StoreMediaOptions storeOptions)
{
if (Cameras.TryGetValue(operationType, out Camera camera))
{
return(camera);
}
switch (operationType)
{
case OperationType.Photo:
camera = new PhotoCamera(storeOptions);
Cameras[OperationType.Photo] = camera;
break;
case OperationType.Video:
camera = new VideoCamera(storeOptions);
Cameras[OperationType.Video] = camera;
break;
default:
throw new ArgumentOutOfRangeException(nameof(operationType), operationType, null);
}
return(camera);
}
private Intent CreateMediaIntent(int id, string type, string action, StoreMediaOptions options, bool tasked = true)
{
Intent pickerIntent = new Intent(this.context, typeof(MediaPickerActivity));
pickerIntent.PutExtra(MediaPickerActivity.ExtraId, id);
pickerIntent.PutExtra(MediaPickerActivity.ExtraType, type);
pickerIntent.PutExtra(MediaPickerActivity.ExtraAction, action);
pickerIntent.PutExtra(MediaPickerActivity.ExtraTasked, tasked);
if (options != null)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraPath, options.Directory);
pickerIntent.PutExtra(MediaStore.Images.ImageColumns.Title, options.Name);
var cameraOptions = (options as StoreCameraMediaOptions);
if (cameraOptions != null)
pickerIntent.PutExtra(MediaPickerActivity.ExtraSaveToAlbum, cameraOptions.SaveToAlbum);
var vidOptions = (options as StoreVideoOptions);
if (vidOptions != null)
{
pickerIntent.PutExtra(MediaStore.ExtraDurationLimit, (int)vidOptions.DesiredLength.TotalSeconds);
pickerIntent.PutExtra(MediaStore.ExtraVideoQuality, (int)vidOptions.Quality);
}
}
//pickerIntent.SetFlags(ActivityFlags.ClearTop);
pickerIntent.SetFlags(ActivityFlags.NewTask);
return pickerIntent;
}
private async Task TakeFrontPhotoAsync()
{
var cameras = this.mediaAccess.Cameras.ToList();
var frontCamera = cameras.FirstOrDefault(c => c.CameraFacingDirection == CameraFacingDirection.Front) as IPhotoCamera;
if (frontCamera != null)
{
var options = new StoreMediaOptions("testimage" + Guid.NewGuid() + ".jpg", "Front Camera Photos");
options.AllowCropping = true;
options.PhotoSize = PhotoSize.Small;
options.CompressionQuality = 10;
var mediaFile = await frontCamera.TakePhotoAsync(options);
if (mediaFile != null)
{
await this.mediaAccess.MediaLibrary.SaveToCameraRoll(mediaFile);
await this.DisplayAlert("SaveToCameraRoll", $"Your photo has been saved to '{mediaFile.Path}'", "OK");
this.SetImageSource(mediaFile);
}
else
{
await this.DisplayAlert("TakePhotoAsync", "Failed to take picture.", "OK");
}
}
}
private Task <MediaFile> TakeMediaAsync(string type, string action, StoreMediaOptions options, CancellationToken token = default(CancellationToken))
{
int id = GetRequestId();
if (token.IsCancellationRequested)
{
return(Task.FromResult((MediaFile)null));
}
var ntcs = new TaskCompletionSource <MediaFile>(id);
if (Interlocked.CompareExchange(ref completionSource, ntcs, null) != null)
{
throw new InvalidOperationException("Only one operation can be active at a time");
}
context.StartActivity(CreateMediaIntent(id, type, action, options));
EventHandler <MediaPickedEventArgs> handler = null;
handler = (s, e) =>
{
var tcs = Interlocked.Exchange(ref this.completionSource, null);
MediaPickerActivity.MediaPicked -= handler;
if (e.RequestId != id)
{
return;
}
if (e.IsCanceled)
{
tcs.SetResult(null);
}
else if (e.Error != null)
{
tcs.SetException(e.Error);
}
else
{
tcs.SetResult(e.Media);
}
};
token.Register(() =>
{
var tcs = Interlocked.Exchange(ref this.completionSource, null);
MediaPickerActivity.MediaPicked -= handler;
CancelRequested?.Invoke(null, EventArgs.Empty);
CancelRequested = null;
tcs.SetResult(null);
});
MediaPickerActivity.MediaPicked += handler;
return(completionSource.Task);
}
Task <List <MediaFile> > TakeMediasAsync(string type, string action, StoreMediaOptions options, CancellationToken token = default(CancellationToken))
{
var id = GetRequestId();
if (token.IsCancellationRequested)
{
return(Task.FromResult((List <MediaFile>)null));
}
var ntcs = new TaskCompletionSource <List <MediaFile> >(id);
if (Interlocked.CompareExchange(ref CompletionSourceMulti, ntcs, null) != null)
{
throw new InvalidOperationException("Only one operation can be active at a time");
}
context.StartActivity(CreateMediaIntent(id, type, action, options));
void handler(object s, MediaPickedEventArgs e)
{
var tcs = Interlocked.Exchange(ref CompletionSourceMulti, null);
MediaPickerActivity.MediaPicked -= handler;
if (e.RequestId != id)
{
return;
}
if (e.IsCanceled)
{
tcs.SetResult(null);
}
else if (e.Error != null)
{
tcs.SetException(e.Error);
}
else
{
tcs.SetResult(e.Media);
}
}
token.Register(() =>
{
var tcs = Interlocked.Exchange(ref CompletionSourceMulti, null);
MediaPickerActivity.MediaPicked -= handler;
CancelRequested?.Invoke(null, EventArgs.Empty);
CancelRequested = null;
tcs.SetResult(null);
});
MediaPickerActivity.MediaPicked += handler;
return(CompletionSourceMulti.Task);
}
internal PhotoCamera(StoreMediaOptions storeOptions) : base(storeOptions)
{
CameraOperationType = OperationType.Photo;
// Factory's instance created to store itself in static field
new CaptureStateFactory(RunPreCaptureSequence, CaptureStillPhoto);
_imageAvailableHandler = new ImageAvailableHandler(StoreOptions, CameraBackgroundHandler, MediaPickerActivity);
CameraParameters = ComputerParametersFactory.CreateCameraParameters(CameraOperationType);
}
/// <summary>
/// Initializes a new instance of the <see cref="Camera"/> class.
/// </summary>
/// <param name="storeOptions">The store options.</param>
/// <param name="visitable">The visitable.</param>
protected Camera(StoreMediaOptions storeOptions)
{
StoreOptions = storeOptions as StoreCameraMediaOptions;
Manager = (CameraManager)CrossCurrentActivity.Current.Activity.GetSystemService(Context.CameraService);
CameraDeviceStateHandler = new CameraDeviceStateHandler(this);
CameraCaptureSessionStateHandler = new CameraCaptureSessionStateHandler(this);
CameraCaptureSessionCaptureHandler = new CameraCaptureSessionCaptureHandler <ICaptureState>();
CameraCaptureSessionPhotoCaptureHandler = new CameraCaptureSessionPhotoCaptureHandler(this, UnlockFocus);
}
private void VerifyOptions(StoreMediaOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.Directory != null && Path.IsPathRooted(options.Directory))
{
throw new ArgumentException("options.Directory must be a relative path", nameof(options));
}
}
Intent CreateMediaIntent(int id, string type, string action, StoreMediaOptions options, bool tasked = true)
{
var pickerIntent = new Intent(this.context, typeof(MediaPickerActivity));
pickerIntent.PutExtra(MediaPickerActivity.ExtraId, id);
pickerIntent.PutExtra(MediaPickerActivity.ExtraType, type);
pickerIntent.PutExtra(MediaPickerActivity.ExtraAction, action);
pickerIntent.PutExtra(MediaPickerActivity.ExtraTasked, tasked);
if (options != null)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraPath, options.Directory);
pickerIntent.PutExtra(MediaStore.Images.ImageColumns.Title, options.Name);
var pickerOptions = (options as StorePickerMediaOptions);
if (pickerOptions != null)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraMultiSelect, pickerOptions.MultiPicker);
}
var cameraOptions = (options as StoreCameraMediaOptions);
if (cameraOptions != null)
{
if (cameraOptions.DefaultCamera == CameraDevice.Front)
{
pickerIntent.PutExtra("android.intent.extras.CAMERA_FACING", 1);
}
pickerIntent.PutExtra(MediaPickerActivity.ExtraSaveToAlbum, cameraOptions.SaveToAlbum);
}
var vidOptions = (options as StoreVideoOptions);
if (vidOptions != null)
{
if (vidOptions.DefaultCamera == CameraDevice.Front)
{
pickerIntent.PutExtra("android.intent.extras.CAMERA_FACING", 1);
}
pickerIntent.PutExtra(MediaStore.ExtraDurationLimit, (int)vidOptions.DesiredLength.TotalSeconds);
pickerIntent.PutExtra(MediaStore.ExtraVideoQuality, (int)vidOptions.Quality);
if (vidOptions.DesiredSize != 0)
{
pickerIntent.PutExtra(MediaStore.ExtraSizeLimit, vidOptions.DesiredSize);
}
}
}
//pickerIntent.SetFlags(ActivityFlags.ClearTop);
pickerIntent.SetFlags(ActivityFlags.NewTask);
return(pickerIntent);
}
Task <List <MediaFile> > TakeMediaAsync(string type, string actions, StoreMediaOptions options)
{
int id = GetRequestId();
var ntcs = new TaskCompletionSource <List <MediaFile> >(id);
if (Interlocked.CompareExchange(ref completionSource, ntcs, null) != null)
{
throw new InvalidOperationException("Only one operation can be active at a time");
}
context.StartActivity(CreateMediaIntent(id, type, actions, options));
EventHandler <MediaPickedEventArgs> handler = null;
handler = (s, e) =>
{
var tcs = Interlocked.Exchange(ref completionSource, null);
MediaPickerActivity.MediaPicked -= handler;
if (e.RequestId != id)
{
return;
}
if (e.IsCanceled)
{
tcs.SetResult(null);
}
else if (e.Error != null)
{
tcs.SetException(e.Error);
}
else
{
tcs.SetResult(e.Media);
}
};
MediaPickerActivity.MediaPicked += handler;
return(completionSource.Task);
}
private Task <MediaFile> TakeMediaAsync(string type, string action, StoreMediaOptions options)
{
var id = GetRequestId();
var ntcs = new TaskCompletionSource <MediaFile>(id);
if (Interlocked.CompareExchange(ref _CompletionSource, ntcs, null) != null)
{
throw new InvalidOperationException("Only one operation can be active at a time");
}
_Context.StartActivity(CreateMediaIntent(id, type, action, options));
void Handler(object s, MediaPickedEventArgs e)
{
var tcs = Interlocked.Exchange(ref _CompletionSource, null);
MediaPickerActivity.MediaPicked -= Handler;
if (e.RequestId != id)
{
return;
}
if (e.IsCanceled)
{
tcs.SetResult(null);
}
else if (e.Error != null)
{
tcs.SetException(e.Error);
}
else
{
tcs.SetResult(e.Media);
}
}
MediaPickerActivity.MediaPicked += Handler;
return(_CompletionSource.Task);
}
private void VerifyOptions(StoreMediaOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
if (System.IO.Path.IsPathRooted(options.Directory))
{
throw new ArgumentException("options.Directory must be a relative path", "options");
}
if (!string.IsNullOrWhiteSpace(options.Name))
{
options.Name = Regex.Replace(options.Name, IllegalCharacters, string.Empty).Replace(@"\", string.Empty);
}
if (!string.IsNullOrWhiteSpace(options.Directory))
{
options.Directory = Regex.Replace(options.Directory, IllegalCharacters, string.Empty).Replace(@"\", string.Empty);
}
}
internal ImageAvailableHandler(StoreMediaOptions storeOptions, Handler cameraBackgroundHandler, MediaPickerActivity mediaPickerActivity)
{
_storeOptions = (StoreCameraMediaOptions)storeOptions;
_cameraBackgroundHandler = cameraBackgroundHandler;
_mediaPickerActivity = mediaPickerActivity;
}
/// <summary>
/// Initializes Common Camera members..
/// </summary>
/// <param name="options">Camera options.</param>
/// <param name="cameraOperationType">The camera operation type (photo or video).</param>
protected BaseVisitor(StoreMediaOptions options, OperationType cameraOperationType)
{
Options = options;
CameraOperationType = cameraOperationType;
}
internal VideoCamera(StoreMediaOptions storeOptions) : base(storeOptions)
{
CameraOperationType = OperationType.Video;
CameraParameters = ComputerParametersFactory.CreateCameraParameters(CameraOperationType);
}
private Intent CreateMediaIntent(int id, string type, string action, StoreMediaOptions options, bool tasked = true)
{
Intent pickerIntent = new Intent(this.context, typeof(MediaPickerActivity));
pickerIntent.PutExtra(MediaPickerActivity.ExtraId, id);
pickerIntent.PutExtra(MediaPickerActivity.ExtraType, type);
pickerIntent.PutExtra(MediaPickerActivity.ExtraAction, action);
pickerIntent.PutExtra(MediaPickerActivity.ExtraTasked, tasked);
if (options != null)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraPath, options.Directory);
pickerIntent.PutExtra(MediaStore.Images.ImageColumns.Title, options.Name);
var cameraOptions = (options as StoreCameraMediaOptions);
if (cameraOptions != null)
{
if (cameraOptions.DefaultCamera == CameraDevice.Front)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraFront, true);
pickerIntent.PutExtra("android.intent.extras.CAMERA_FACING", (int)CameraFacing.Front);
// Android API 25 and up
pickerIntent.PutExtra("android.intent.extras.LENS_FACING_FRONT", 1);
pickerIntent.PutExtra("android.intent.extra.USE_FRONT_CAMERA", true);
}
else if (cameraOptions.DefaultCamera == CameraDevice.Rear)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraFront, false);
pickerIntent.PutExtra("android.intent.extras.CAMERA_FACING", (int)CameraFacing.Back);
// Android API 25 and up
pickerIntent.PutExtra("android.intent.extras.LENS_FACING_BACK", 1);
pickerIntent.PutExtra("android.intent.extra.USE_FRONT_CAMERA", false);
}
if (cameraOptions.FlashMode == CameraFlash.On)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraFlashON, true);
pickerIntent.PutExtra(MediaPickerActivity.ExtraFlashOFF, false);
pickerIntent.PutExtra("android.intent.extras.FLASH_MODE_ON", (int)CameraFlash.On);
}
else if (cameraOptions.FlashMode == CameraFlash.Off)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraFlashON, false);
pickerIntent.PutExtra(MediaPickerActivity.ExtraFlashOFF, true);
pickerIntent.PutExtra("android.intent.extras.FLASH_MODE_ON", (int)CameraFlash.On);
}
else if (cameraOptions.FlashMode == CameraFlash.Default)
{
pickerIntent.PutExtra(MediaPickerActivity.ExtraFlashAuto, true);
}
pickerIntent.PutExtra(MediaPickerActivity.ExtraSaveToAlbum, cameraOptions.SaveToAlbum);
}
var vidOptions = (options as StoreVideoOptions);
if (vidOptions != null)
{
if (vidOptions.DefaultCamera == CameraDevice.Front)
{
pickerIntent.PutExtra("android.intent.extras.CAMERA_FACING", 1);
}
pickerIntent.PutExtra(MediaStore.ExtraDurationLimit, (int)vidOptions.DesiredLength.TotalSeconds);
pickerIntent.PutExtra(MediaStore.ExtraVideoQuality, (int)vidOptions.Quality);
if (vidOptions.DesiredSize != 0)
{
pickerIntent.PutExtra(MediaStore.ExtraSizeLimit, vidOptions.DesiredSize);
}
}
}
//pickerIntent.SetFlags(ActivityFlags.ClearTop);
pickerIntent.SetFlags(ActivityFlags.NewTask);
return(pickerIntent);
}
private Task<Plugin.Media.Abstractions.MediaFile> TakeMediaAsync(string type, string action, StoreMediaOptions options)
{
int id = GetRequestId();
var ntcs = new TaskCompletionSource<Plugin.Media.Abstractions.MediaFile>(id);
if (Interlocked.CompareExchange(ref this.completionSource, ntcs, null) != null)
throw new InvalidOperationException("Only one operation can be active at a time");
this.context.StartActivity(CreateMediaIntent(id, type, action, options));
EventHandler<MediaPickedEventArgs> handler = null;
handler = (s, e) =>
{
var tcs = Interlocked.Exchange(ref this.completionSource, null);
MediaPickerActivity.MediaPicked -= handler;
if (e.RequestId != id)
return;
if (e.Error != null)
tcs.SetResult(null);
else if (e.IsCanceled)
tcs.SetResult(null);
else
tcs.SetResult(e.Media);
};
MediaPickerActivity.MediaPicked += handler;
return ntcs.Task;
}
/// <inheritdoc />
/// <summary>
/// Initializes Common Camera members..
/// </summary>
/// <param name="options">Camera options.</param>
/// <param name="cameraOperationType">The camera operation type (photo or video).</param>
protected AndroidVisitor(StoreMediaOptions options, OperationType cameraOperationType) :
base(options, cameraOperationType) => Camera = CameraFactory.CreateCamera(CameraOperationType, options);
