glumes

    //Override in your touch-enabled view (this can be differen than the view you use for displaying the cam preview)
    @Override
    public boolean onTouch(View view, MotionEvent motionEvent) {
        final int actionMasked = motionEvent.getActionMasked();
        if (actionMasked != MotionEvent.ACTION_DOWN) {
            return false;
        }
        if (mManualFocusEngaged) {
            Log.d(TAG, "Manual focus already engaged");
            return true;