安卓学习初级。。。

 1 public class Main extends Activity implements OnClickListener{
 2     private Button btn;
 3     private Button btn1;
 4     @Override
 5     protected void onCreate(Bundle savedInstanceState) {
 6         // TODO Auto-generated method stub
 7         super.onCreate(savedInstanceState);
 8         requestWindowFeature(Window.FEATURE_NO_TITLE);
 9         setContentView(R.layout.main);
10         btn=(Button)findViewById(R.id.onebtn);
11         btn1=(Button)findViewById(R.id.twobtn);
12         btn.setOnClickListener(this);
13         btn1.setOnClickListener(this);
14 
15     }
16 
17     @Override
18     public boolean onCreateOptionsMenu(Menu menu) {
19         // TODO Auto-generated method stub
20         getMenuInflater().inflate(R.menu.main, menu);
21         return true;
22 
23     }
24 
25     @Override
26     public boolean onOptionsItemSelected(MenuItem item) {
27 
28         switch (item.getItemId()) {
29         case R.id.add_item:
30             //第一个参数表示显示菜单的位置，第2个显示的内容，显示的时间
31             Toast.makeText(this, "add onclick", Toast.LENGTH_SHORT).show();
32             break;
33         case R.id.remove_item:
34             Toast.makeText(this, "remove onclick", Toast.LENGTH_SHORT).show();
35             break;
36 
37         }
38 
39         return true;
40     }
41 
42     @Override
43     public void onClick(View v) {
44         // TODO Auto-generated method stub
45         switch (v.getId()) {
46         case R.id.onebtn:
47             Intent intent=new Intent(Intent.ACTION_VIEW);
48             //放入网址URL解析成URI对象
49             intent.setData(Uri.parse("http://www.baidu.com"));
50             startActivity(intent);
51             break;
52         case R.id.twobtn:
53             Intent intent1=new Intent(Intent.ACTION_DIAL);
54             //放入网址URL解析成URI对象
55             intent1.setData(Uri.parse("tel:10086"));
56             startActivity(intent1);
57             break;
58         default:
59             break;
60         }
61     }
62 }