Android 子线程更新UI方法总结

yueqc1

已于 2025-03-23 12:34:23 修改

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CC 4.0 BY-SA版权

文章标签： android

于 2019-03-06 20:39:40 首次发布

本文链接：https://blog.youkuaiyun.com/Yuequnchen/article/details/88254781

1. runOnUiThread


new Thread(new Runnable() {

	@Override
		public void run() {		

		runOnUiThread(new Runnable() {
			@Override
				public void run() {
				//更新UI
			}
		});

	}
}).start();

2. Handler.post


private static Handler handler=new Handler();

new Thread(new Runnable() {
	@Override
		public void run() {		                        
		handler.post(new Runnable() {
			@Override
				public void run() {
				//更新UI
			}
		});		
	}
}).start();

3. Handler.sendMessage


Handler mHandler = new Handler() {
	public void handleMessage(Message msg) {
		if (msg.what == 0) {			
			//更新UI
		}
	}
};


new Thread(new Runnable() {
	@Override
		public void run() {			
		mHandler.sendEmptyMessage(0);
	}
}).start();

4. View.post


new Thread(new Runnable() {

	@Override
		public void run() {		

		view.post(new Runnable() {
			@Override
				public void run() {
				//更新UI
			}
		});
	}
}).start();