android学习（隐藏菜单栏）

 1 public class Main extends Activity {
 2     @Override
 3     protected void onCreate(Bundle savedInstanceState) {
 4         // TODO Auto-generated method stub
 5         super.onCreate(savedInstanceState);
 6         requestWindowFeature(Window.FEATURE_NO_TITLE);
 7         setContentView(R.layout.main);
 8     }
 9 
10     @Override
11     public boolean onCreateOptionsMenu(Menu menu) {
12         // TODO Auto-generated method stub
13         getMenuInflater().inflate(R.menu.main, menu);
14         return true;
15 
16     }
17 
18     @Override
19     public boolean onOptionsItemSelected(MenuItem item) {
20 
21         switch (item.getItemId()) {
22         case R.id.add_item:
23             //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
24             Toast.makeText(this, "add onclick", Toast.LENGTH_SHORT).show();
25             break;
26         case R.id.remove_item:
27             Toast.makeText(this, "remove onclick", Toast.LENGTH_SHORT).show();
28             break;
29 
30         }
31 
32         return true;
33     }
34 }