通過post可以將一個(gè)runnable投遞到消息隊(duì)列的尾部，然后等待UI線程Looper調(diào)用此runnable的時(shí)候，view也已經(jīng)初始化好了。

view.post(new Runnable() {
    @Override
    public void run() {
        L.i("post(Runnable) : view.getWidth():" + view.getWidth() + "  view.getHeight():" + view.getHeight());
    }
});