Android 上下左右镜像view

public void setMirrorMode(boolean isMirror) {
        this.isMirror = isMirror;
        if (null == rootView) return;
        if (isMirror) {
//顺序不能错,正负也是
            (rootView).setScaleY(-1f);
            (rootView).setScaleX(1f);
        } else {
            (rootView).setScaleY(1);
            (rootView).setScaleX(1);
        }
    }