void ToggleFlashButtonTapped(object sender, EventArgs e)
{
flashOn = !flashOn;
if (flashOn)
{
if (cameraType == CameraFacing.Back)
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.FlashButton);
cameraType = CameraFacing.Back;
camera.StopPreview();
camera.Release();
camera = global::Android.Hardware.Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = global::Android.Hardware.Camera.Parameters.FlashModeTorch;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
else
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.NoFlashButton);
camera.StopPreview();
camera.Release();
camera = global::Android.Hardware.Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = global::Android.Hardware.Camera.Parameters.FlashModeOff;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
void ToggleFlashButtonTapped(object sender, EventArgs e)
{
if (cameraPreview.FlashEnabled)
{
cameraPreview.FlashEnabled = false;
toggleFlashButton.SetBackgroundResource(ObjectDetectionApp.Droid.Resource.Drawable.NoFlashButton);
}
else
{
cameraPreview.FlashEnabled = true;
toggleFlashButton.SetBackgroundResource(ObjectDetectionApp.Droid.Resource.Drawable.FlashButton);
}
}
void ToggleFlashButtonTapped(object sender, EventArgs e)
{
flashOn = !flashOn;
if (flashOn)
{
if (cameraType == CameraFacing.Back)
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.FlashButton);
cameraType = CameraFacing.Back;
camera.StopPreview();
camera.Release();
camera = global::Android.Hardware.Camera.Open((int)cameraType);
var parameters = camera.GetParameters();
parameters.FlashMode = global::Android.Hardware.Camera.Parameters.FlashModeTorch;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
PrepareAndStartCamera();
}
}
else
{
toggleFlashButton.SetBackgroundResource(Resource.Drawable.NoFlashButton);
camera.StopPreview();
camera.Release();
camera = global::Android.Hardware.Camera.Open((int)cameraType);
var infoFocusCalibration = global::Android.Hardware.Camera2.CameraCharacteristics.LensInfoFocusDistanceCalibration;
var infoSupportHardLevel = global::Android.Hardware.Camera2.CameraCharacteristics.InfoSupportedHardwareLevel;
var infoMinimumFocus = global::Android.Hardware.Camera2.CameraCharacteristics.LensPoseRotation;
var infoSensorActiveArraySize = global::Android.Hardware.Camera2.CameraCharacteristics.SensorInfoActiveArraySize;
//var paramters2 = camera2.
var parameters = camera.GetParameters();
parameters.FlashMode = global::Android.Hardware.Camera.Parameters.FlashModeOff;
parameters.FocusMode = global::Android.Hardware.Camera.Parameters.FocusModeAuto;
camera.SetParameters(parameters);
camera.SetPreviewTexture(surfaceTexture);
camera.SetDisplayOrientation(100);
var max = camera.GetParameters().MaxNumFocusAreas;
PrepareAndStartCamera();
camera.StartFaceDetection();
}
}