private void createPreview() {
Activity activity = getActivity();
if (activity == null) return;
if (mWindowSize == null) mWindowSize = new Point();
activity.getWindowManager().getDefaultDisplay().getSize(mWindowSize);
mPreviewView = new CameraPreview(getActivity(), mCamera);
if (mPreviewFrame.getChildCount() > 0 && mPreviewFrame.getChildAt(0) instanceof CameraPreview)
mPreviewFrame.removeViewAt(0);
mPreviewFrame.addView(mPreviewView, 0);
mPreviewView.setAspectRatio(mWindowSize.x, mWindowSize.y);
}
