public override bool OnOptionsItemSelected(IMenuItem item)
{
switch (item.ItemId)
{
case Resource.Id.aspect_ratio:
if (mCameraView != null && SupportFragmentManager.FindFragmentByTag(FRAGMENT_DIALOG) == null)
{
AspectRatio[] ratios = mCameraView.SupportedAspectRatios.ToArray();
AspectRatio currentRatio = mCameraView.AspectRatio;
AspectRatioFragment.NewInstance(ratios, currentRatio).Show(SupportFragmentManager, FRAGMENT_DIALOG);
}
return(true);
case Resource.Id.switch_flash:
if (mCameraView != null)
{
mCurrentFlash = (mCurrentFlash + 1) % FLASH_OPTIONS.Length;
item.SetTitle(FLASH_TITLES[mCurrentFlash]);
item.SetIcon(FLASH_ICONS[mCurrentFlash]);
mCameraView.Flash = FLASH_OPTIONS[mCurrentFlash];
}
return(true);
case Resource.Id.switch_camera:
if (mCameraView != null)
{
int facing = mCameraView.Facing;
mCameraView.Facing = facing == CameraView.FacingFront ?
CameraView.FacingBack : CameraView.FacingFront;
}
return(true);
}
return(base.OnOptionsItemSelected(item));
}
public static AspectRatioFragment NewInstance(IList <AspectRatio> ratios, AspectRatio currentRatio)
{
AspectRatioFragment fragment = new AspectRatioFragment();
Bundle args = new Bundle();
args.PutParcelableArray(ARG_ASPECT_RATIOS, ratios.ToArray());
args.PutParcelable(ARG_CURRENT_ASPECT_RATIO, currentRatio);
fragment.Arguments = args;
return(fragment);
}