public override void OnError(CameraDevice camera, CameraError error)
{
recordManager.cameraOpenCloseLock.Release();
camera.Close();
recordManager.cameraDevice = null;
if (null != activity)
{
activity.Finish();
}
}
public void openCamera(int width, int height, CameraFacing cameraFacing = CameraFacing.FRONT)
{
if (null == this || activity.IsFinishing)
{
return;
}
manager = (CameraManager)activity.GetSystemService(Context.CameraService);
try
{
if (!cameraOpenCloseLock.TryAcquire(2500, TimeUnit.Milliseconds))
{
throw new RuntimeException("Time out waiting to lock camera opening.");
}
string cameraId = null;
CameraCharacteristics characteristics = null;
var cameraList = manager.GetCameraIdList();
if (cameraList != null && cameraList.Length >= 0)
{
if (cameraList.Length > 1)
{
if (cameraFacing == CameraFacing.BACK)
{
LensFacing = CameraFacing.BACK;
cameraId = cameraList[0];
characteristics = manager.GetCameraCharacteristics(cameraId);
}
else if (cameraFacing == CameraFacing.FRONT)
{
LensFacing = CameraFacing.FRONT;
cameraId = cameraList[1];
characteristics = manager.GetCameraCharacteristics(cameraId);
}
}
else if (cameraList.Length == 1)
{
cameraFacing = CameraFacing.BACK;
activity.imgSwitchCamera.Visibility = ViewStates.Gone;
cameraId = cameraList[0];
characteristics = manager.GetCameraCharacteristics(cameraId);
}
}
else
{
activity.imgSwitchCamera.Visibility = ViewStates.Gone;
Toast.MakeText(activity, "Camera not avaiable", ToastLength.Short);
activity.Finish();
return;
}
configureTransform(width, height);
if (!string.IsNullOrEmpty(cameraId))
{
manager.OpenCamera(cameraId, stateListener, null);
}
SetUpCameraOutputs(cameraId);
}
catch (CameraAccessException ex)
{
Toast.MakeText(activity, "Cannot access the camera.", ToastLength.Short).Show();
activity.Finish();
}
catch (NullPointerException)
{
}
catch (InterruptedException)
{
throw new RuntimeException("Interrupted while trying to lock camera opening.");
}
}