protected override void OnElementChanged(ElementChangedEventArgs <CameraPreview> e)
{
base.OnElementChanged(e);
if (Control == null)
{
uiCameraPreview = new UICameraPreview(e.NewElement.Camera);
SetNativeControl(uiCameraPreview);
}
if (e.OldElement != null)
{
// Unsubscribe
uiCameraPreview.Tapped -= OnCameraPreviewTapped;
}
if (e.NewElement != null)
{
// Subscribe
uiCameraPreview.Tapped += OnCameraPreviewTapped;
}
e.NewElement.StartRecordingEvent += (sender, args) => {
// cameraPreview.Preview.StopPreview();
// cameraPreview.Preview.Release();
var cameraOption = cameraOptions.Equals(CameraOptions.Front) ? CameraOptions.Front : CameraOptions.Rear;
var dcimPath = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
var filename = $"PocketPro - Test.mp4";
var dcimFilePath = System.IO.Path.Combine(dcimPath, filename);
videoFilePath = dcimFilePath;
};
}
protected override void OnElementChanged(ElementChangedEventArgs <PocketPro.CameraPreview> e)
{
base.OnElementChanged(e);
if (Control == null)
{
cameraPreview = new CameraPreview(Context);
cameraPreview.OnPictureReturn = e.NewElement.OnPictureReturn;
cameraPreview.OnVideoStarted = e.NewElement.OnVideoStarted;
cameraPreview.OnVideoFinished = e.NewElement.OnVideoFinished;
SetNativeControl(cameraPreview);
}
if (e.OldElement != null)
{
// Unsubscribe
cameraPreview.Click -= OnCameraPreviewClicked;
}
if (e.NewElement != null)
{
Camera camera = null;
e.NewElement.TakePhotoEvent += (sender, args) =>
{
if (cameraPreview.Preview != null)
{
cameraPreview.OnPictureReturn = ((PocketPro.CameraPreview)(sender)).OnPictureReturn;
cameraPreview.OnVideoStarted = ((PocketPro.CameraPreview)(sender)).OnVideoStarted;
cameraPreview.OnVideoFinished = ((PocketPro.CameraPreview)(sender)).OnVideoFinished;
//cameraPreview.Preview.AutoFocus(new AutofocusCallBack(cameraPreview)
//{
// isTakePhoto = true
//});
cameraPreview.camera.EnableShutterSound(false);
cameraPreview.camera.TakePicture(new ShutterCallback(), null, new JpegCallback(this.cameraPreview));
//}
//else camera.AutoFocus(new AutofocusCallBack(cameraPreview)); // TODO: Verify No Memory Leak On Failure
}
else
{
}
};
e.NewElement.StartRecordingEvent += (sender, args) => {
cameraPreview.Preview.StopPreview();
cameraPreview.Preview.Release();
var cameraOption = cameraOptions.Equals(CameraOptions.Front) ? CameraOptions.Front : CameraOptions.Rear;
var dcimPath = Android.OS.Environment.GetExternalStoragePublicDirectory(Environment.DirectoryMovies).Path;
var sdf = new SimpleDateFormat("yyyyMMdd_HHmmss");
var currentDateandTime = sdf.Format(new Date());
var filename = $"PocketPro - {currentDateandTime}.mp4";
var dcimFilePath = System.IO.Path.Combine(dcimPath, filename);
videoFilePath = dcimFilePath;
camera = Camera.Open((int)cameraOption);
cameraOptions = cameraOption;
cameraPreview.Preview = camera;
camera.Unlock();
try
{
mRecorder = new MediaRecorder();
mRecorder.SetCamera(camera);
mRecorder.SetVideoSource(VideoSource.Camera);
mRecorder.SetAudioSource(AudioSource.Mic);
mRecorder.SetOutputFormat(OutputFormat.Mpeg4);
mRecorder.SetVideoEncoder(VideoEncoder.H264);
mRecorder.SetAudioEncoder(AudioEncoder.Aac);
mRecorder.SetOutputFile(dcimFilePath);
mRecorder.SetOrientationHint(0);
mRecorder.SetVideoFrameRate(30);
// mRecorder.SetVideoEncodingBitRate(512 * 1000);
mRecorder.SetVideoSize(1920, 1080);
mRecorder.SetPreviewDisplay(cameraPreview.holder.Surface);
mRecorder.Prepare();
mRecorder.Start();
}
catch (Exception exception)
{
Console.WriteLine(exception.Message);
}
};
e.NewElement.StopRecordingEvent += (sender, args) => {
mRecorder.Stop();
mRecorder.Reset();
mRecorder.Release();
//camera = Camera.Open((int)cameraOption);
//cameraOptions = cameraOption;
//camera.Unlock();
var dcimPath = Android.OS.Environment.GetExternalStoragePublicDirectory(Environment.DirectoryMovies).Path;
var fileBase = System.IO.Path.GetFileNameWithoutExtension(videoFilePath);
var dcimFilePath = System.IO.Path.Combine(dcimPath, $"{fileBase}.png");
var brightnessService = DependencyService.Get <IRateApplication>();
var thumb = brightnessService.GenerateThumbImage(videoFilePath, 1000);
System.IO.File.WriteAllBytes(dcimFilePath, thumb);
};
e.NewElement.ToggleCamera += (sender, args) =>
{
cameraPreview.Preview.StopPreview();
cameraPreview.Preview.Release();
var cameraOption = cameraOptions.Equals(CameraOptions.Front) ? CameraOptions.Front : CameraOptions.Rear;
camera = Camera.Open((int)cameraOption);
cameraOptions = cameraOption;
cameraPreview.Preview = camera;
cameraPreview.Preview.StartPreview();
cameraPreview = new CameraPreview(Context);
cameraPreview.OnPictureReturn = e.OldElement.OnPictureReturn;
cameraPreview.OnVideoStarted = e.OldElement.OnVideoStarted;
cameraPreview.OnVideoFinished = e.OldElement.OnVideoFinished;
SetNativeControl(cameraPreview);
Control.Preview = camera;
Control.Preview.StartPreview();
};
e.NewElement.AutoFocusEvent += (sender, args) =>
{
cameraPreview.Preview.AutoFocus(new AutofocusCallBack(cameraPreview));
};
e.NewElement.EnableTorchEvent += (sender, args) =>
{
var parameters = cameraPreview.Preview.GetParameters();
parameters.FlashMode = Camera.Parameters.FlashModeTorch;
//cameraPreview.Preview.StopPreview();
cameraPreview.Preview.SetParameters(parameters);
};
e.NewElement.DisableTorchEvent += (sender, args) =>
{
var parameters = cameraPreview.Preview.GetParameters();
parameters.FlashMode = Camera.Parameters.FlashModeOff;
//cameraPreview.Preview.StartPreview();
cameraPreview.Preview.SetParameters(parameters);
};
// Subscribe
cameraPreview.Click += OnCameraPreviewClicked;
try
{
if (camera == null)
{
Control.Preview = Camera.Open((int)e.NewElement.Camera);
}
}
catch (Exception cameraException)
{
Console.WriteLine(cameraException.Message);
}
}
}