Only the original thread that created a view hierarchy can touch its views<已解决>

子线程不可以 更新UI主线程

 new Thread() {    public void run() {        mHandler.sendmessage(new Message());    } final Handler mHandler = new Handler() {                 public void handleMessage(Message msg) {                     super.handleMessage(msg);                  //更新具体的线程? ? ? ? ? ? ? ? ? ? ? ? ? ? }             };