protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_camera);
// Create your application here
image = FindViewById<ImageView>(Resource.Id.imageView_Photo);
fotoButton = FindViewById<ImageView>(Resource.Id.imageView_foto);
preview = FindViewById<SurfaceView>(Resource.Id.surfaceView_Photo);
/*image.DrawingCacheEnabled = true;
image.Measure(MeasureSpec.MakeMeasureSpec(200, MeasureSpecMode.Exactly),
MeasureSpec.MakeMeasureSpec(200, MeasureSpecMode.Exactly));
image.Layout(0, 0, image.MeasuredWidth, image.MeasuredHeight);
image.BuildDrawingCache(true);
Bitmap layoutBitmap = Bitmap.CreateBitmap(image.DrawingCache);
image.DrawingCacheEnabled = false;*/
fotoButton.SetOnClickListener(new OnClickListener()
{
Parent = this
});
previewHolder = preview.Holder;
previewHolder.AddCallback(
new SurfaceCalback()
{
Parent = this
});
previewHolder.SetType(SurfaceType.PushBuffers);
previewHolder.SetFixedSize(Window.WindowManager.DefaultDisplay.Width,
Window.WindowManager.DefaultDisplay.Height);
}
public void SurfaceCreated(ISurfaceHolder holder)
{
try
{
if (!(Context.GetSystemService(Class.FromType(typeof(CameraManager))) is CameraManager manager))
{
return;
}
string frontCameraId = manager.GetCameraIdList().FirstOrDefault(id => IsFrontFacingCamera(manager, id));
CameraCharacteristics frontCamera = manager.GetCameraCharacteristics(frontCameraId);
if (!(frontCamera?.Get(CameraCharacteristics.ScalerStreamConfigurationMap) is StreamConfigurationMap map))
{
return;
}
Size[] outputSizes = map.GetOutputSizes(Class.FromType(holder.GetType()));
Size firstSmall = outputSizes
.Where(size => (double)size.Width / size.Height == 16d / 9)
.First(size => size.Height < 900 && size.Width < 900);
holder.SetFixedSize(firstSmall.Width, firstSmall.Height);
CameraDevice.StateCallback stateCallback = new MyCameraCallback(holder.Surface, Element);
manager.OpenCamera(frontCameraId, stateCallback, new Handler(msg => { }));
}
catch (Java.IO.IOException ex)
{
Console.WriteLine(ex.Message);
}
}
public void StartVideoPlayback(SurfaceView surface, string FilePath)
{
if (_player != null)
{
StopVideoPlayback();
}
_player = new MediaPlayer();
ISurfaceHolder holder = surface.Holder;
holder.SetType(Android.Views.SurfaceType.PushBuffers);
holder.SetFixedSize(400, 300);
_player.SetDisplay(holder);
_player.SetDataSource(FilePath);
_player.Prepare();
_player.Start();
}
private void startVideoPlayback()
{
Log.Verbose(TAG, "startVideoPlayback");
holder.SetFixedSize(mVideoWidth, mVideoHeight);
mMediaPlayer.Start();
}
