public class MainActivity extends Activity {  
  
    final static int CANSHU = 1;  
      
    public Handler mHandler=new Handler(){  
        public void handleMessage(Message msg) {  
        switch(msg.what){  
            case CANSHU :   String str1 = msg.getData().getString("text1");//接受msg传递过来的参数   
                    String str2 = msg.getData().getString("text2");//接受msg传递过来的参数   
                    initFinishMainActivity(str1, str2);  
                              break;  
            default         : break;  
            }  
        }     
    };  
      
    @Override  
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        InitMainActivity();  
    }

//Message使用bundle传递参数： 
    public void send() {  
      
            Message msg = new Message();  
            msg.what = MainActivity.CANSHU;  
            Bundle bundle = new Bundle();    
                      bundle.putString("text1","大明的消息传递参数的例子！");  //往Bundle中存放数据   
                         bundle.putString("text2","Time：2016-11-03");  //往Bundle中put数据   
                         msg.setData(bundle);//mes利用Bundle传递数据   
                         activity.mHandler.sendMessage(msg);//用activity中的handler发送消息    
    }