post
public class PostActivity extends Activity {
private Handler mHandler = new Handler();
class DownloadThread extends Thread{
@Override
public void run() {
super.run();
try{
Thread.sleep(5000);
Runnable runnable = new Runnable() {
@Override
public void run() {
//更新UI
}
};
mHandler.post(runnable);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
sendMessage
public class SendMessage extends Activity {
private Handler mHandler = new Handler(){
@Override
public void handleMessage(Message msg) {
switch (msg.what){
case 1:
//更新UI
break;
}
}
};
class DownloadThread extends Thread{
@Override
public void run() {
try {
Thread.sleep(5000);
Message msg = new Message();
// Message msg = Message.obtain(); 可以避免重復創建消息對象
// Message msg = mHandler.obtainMessage(); 可以避免重復創建消息對象
//message有what，arg1/arg2(政協數據)，obj
msg.what = 1;
mHandler.sendMessage(msg);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
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