34

                                 Thread.sleep(1000);

35

                             } 

catch

 (InterruptedException e) {

36

                                 

//

 

TODO Auto-generated catch block

37

                                e.printStackTrace();

38

                            }

39

                             Message ms = 

new

 Message();

40

                             ms.what = 1; 

//表示显示数字的消息

41

                             ms.obj = i;

42

                            handler.sendMessage(ms);

43

                             

44

                        }

45

                    }

46

                }).start();

47

            }

48

        });

49

         

50

         tv2 = (TextView)

super

.findViewById(R.id.textView2);

51

         btn2 = (Button)

super

.findViewById(R.id.button2);

52

         btn2.setOnClickListener(

new

 View.OnClickListener() {

53

            @Override

54

             

public

 

void

 onClick(View arg0) {

55

                 

//

 

TODO Auto-generated method stub

56

                 

new

 Thread(

new

 Runnable() {

57

                     

public

 

void

 run() {

58

                         

while

 ( 1 == 1){

59

                             

try

 {

60

                                 Thread.sleep(1000);

61

                             } 

catch

 (InterruptedException e) {

62

                                 

//

 

TODO Auto-generated catch block

63

                                e.printStackTrace();

64

                            }

65

                             Date d  = 

new

 Date();

66

                             Message msg = 

new

 Message();

67

                             msg.what = 2;

68

                             msg.obj = d;

69

                            handler.sendMessage(msg);

70

                        }

71

                    }