BaseDialog.java 文件源码

/**
 * 判断当前用户触摸是否超出了Dialog的显示区域
 *
 * @param context
 * @param event
 * @return
 */
private boolean isOutOfBounds(Context context, MotionEvent event) {
    final int x = (int) event.getX();
    final int y = (int) event.getY();
    final int slop = ViewConfiguration.get(context).getScaledWindowTouchSlop();
    final View decorView = getWindow().getDecorView();
    return (x < -slop) || (y < -slop) || (x > (decorView.getWidth() + slop))
            || (y > (decorView.getHeight() + slop));
}