线程通讯实例

public class Thread1 extends Thread{ 
        private Handler handler1; 
        public Handler getHandler(){//注意哦，在run执行之前，返回的是null 
            return handler1; 
        } 
        @Override 
        public void run() { 
               
            Looper.prepare(); //为当前线程创建Looper
            handler1 = new Handler(){ 
                public void handleMessage(android.os.Message msg) { 
                    //这里处理消息 
                    Log.i("MThread", "收到消息了："+Thread.currentThread().getName()+"----"+msg.obj); 
                }; 
            }; 
            Looper.loop(); //开启循环
               
        } 
               
    } 

public class Thread2 extends Thread{ 
        @Override 
        public void run() { 
               
            for(int i=0; i<10; i++){ 
                Message msg = Message.obtain(); 
                msg.what = 1; 
                msg.obj = System.currentTimeMillis()+""; 
                handler1.sendMessage(msg); 
                Log.i("MThread", Thread.currentThread().getName()+"----发送了消息！"+msg.obj); 
                SystemClock.sleep(1000); 
            } 
               
        } 
    }