[Android智慧型手機設計_ContextMenu元件]

woff

1. package com.example.contextmenucctu;
   
2. 
   
3. import android.os.Bundle;
   
4. import android.app.Activity;
   
5. import android.view.ContextMenu;
   
6. import android.view.ContextMenu.ContextMenuInfo;
   
7. import android.view.Menu;
   
8. import android.view.MenuItem;
   
9. import android.view.View;
   
10. import android.widget.LinearLayout;
    
11. import android.widget.Toast;
    
12. 
    
13. public class MainActivity extends Activity {
    
14. 
    
15. @Override
    
16. protected void onCreate(Bundle savedInstanceState) {
    
17. super.onCreate(savedInstanceState);
    
18. setContentView(R.layout.activity_main);
    
19. LinearLayout linear=(LinearLayout)findViewById(R.id.LinearLayout1);
    
20. registerForContextMenu(linear);
    
21. }
    
22. 
    
23. @Override
    
24. public void onCreateContextMenu(ContextMenu menu,View v,ContextMenuInfo of) {
    
25. // Inflate the menu; this adds items to the action bar if it is present.
    
26. getMenuInflater().inflate(R.menu.main, menu);
    
27. }
    
28. 
    
29. public boolean onContextItemSelected(MenuItem item)
    
30. {
    
31. String msg="";
    
32. switch(item.getItemId())
    
33. {
    
34. case R.id.item1:
    
35. msg=getString(R.string.m1);
    
36. break;
    
37. case R.id.item2:
    
38. msg=getString(R.string.m2);
    
39. break;
    
40. case R.id.item3:
    
41. msg=getString(R.string.m3);
    
42. break;
    
43. case R.id.item4:
    
44. msg=getString(R.string.m4);
    
45. break;
    
46. case R.id.item5:
    
47. finish();
    
48. default:
    
49. return super.onOptionsItemSelected(item);
    
50. }
    
51. Toast.makeText(MainActivity.this, msg, Toast.LENGTH_LONG).show();
    
52. return true;
    
53. }
    
54. 
    
55. }

複製代碼