android Handler更新UI

 1     ProgressBar progressBar;
 2     ProgressBar progressBar2;
 3 
 4     private Handler handler1;
 5     private Handler handler=new Handler(){
 6         public void handleMessage(Message msg)
 7         {
 8             switch(msg.what)
 9             {
10             case 1:
11                 int currentProgress=progressBar.getProgress()+2;
12                 if(currentProgress>progressBar.getMax())
13                 {
14                 currentProgress=0;
15                 }
16                 progressBar.setProgress(currentProgress);
17                 break;
18             }
19         }
20     };
21     private int count;
22     private Runnable doundateProgress1 = new Runnable() {
23         
24         @Override
25         public void run() {
26             // TODO Auto-generated method stub
27         
28             }
29     
30         
31         };
32     private TimerTask timertask=new TimerTask() {
33         
34         @Override
35         public void run() {
36             // TODO Auto-generated method stub
37             Message message=new Message();
38             message.what=1;
39             handler.sendMessage(message);
40         }
41     };
42     
43     @Override
44     protected void onCreate(Bundle savedInstanceState) {
45         super.onCreate(savedInstanceState);
46         setContentView(R.layout.activity_main);
47         progressBar=(ProgressBar) findViewById(R.id.progressBar1);
48         progressBar2=(ProgressBar) findViewById(R.id.progressBar2);
49         Timer timer=new Timer();
50         timer.schedule(timertask, 0,1000);
51         handler1=new Handler();
52         handler1.postDelayed(new Runnable() {
53             
54             @Override
55             public void run() {
56                 // TODO Auto-generated method stub
57                 for (count = 0; count <= progressBar2.getMax();count++) {
58                     
59                     // TODO Auto-generated method stub
60                     progressBar2.setProgress(count);
61     
62         
63         
64             }
65             }
66         }, 10000);
67     }
68 
69     @Override
70     public boolean onCreateOptionsMenu(Menu menu) {
71         // Inflate the menu; this adds items to the action bar if it is present.
72         getMenuInflater().inflate(R.menu.main, menu);
73         return true;
74     }
75 
76     @Override
77     public boolean onOptionsItemSelected(MenuItem item) {
78         // Handle action bar item clicks here. The action bar will
79         // automatically handle clicks on the Home/Up button, so long
80         // as you specify a parent activity in AndroidManifest.xml.
81         int id = item.getItemId();
82         if (id == R.id.action_settings) {
83             return true;
84         }
85         return super.onOptionsItemSelected(item);
86     }