/** update the position of floating window. */
private void updateViewPosition() {
wmParams.x = (int) (x - mTouchStartX);
wmParams.y = (int) (y - mTouchStartY);
windowManager.updateViewLayout(floatingView, wmParams);
}
/** update the position of floating window. */
private void updateViewPosition() {
wmParams.x = (int) (x - mTouchStartX);
wmParams.y = (int) (y - mTouchStartY);
windowManager.updateViewLayout(floatingView, wmParams);
}