Android 上下文菜单 ActionMode

public class MainActivity extends Activity {

    private Button button;
     ActionMode actionMode;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button = (Button) findViewById(R.id.button);

        button.setOnLongClickListener(new OnLongClickListener() {

            @Override
            boolean onLongClick(View v) {
                // TODO Auto-generated method stub
                if (actionMode != null) {
                    return false;
                } else {
                    actionMode = startActionMode(actionCallback);
                    v.setSelected(true);
                    ;
                }
            }
        });
    }

    private ActionMode.Callback actionCallback =  ActionMode.Callback() {

        @Override
         onPrepareActionMode(ActionMode mode,Menu menu) {
             TODO Auto-generated method stub
            ;
        }

        @Override
         onDestroyActionMode(ActionMode mode) {
             TODO Auto-generated method stub

        }

         从XML菜单中加载菜单
        @Override
         onCreateActionMode(ActionMode mode,1)">
            MenuInflater inflater = getMenuInflater();
            inflater.inflate(R.menu.main,menu);

            ;
        }

         菜单被点击
 onActionItemClicked(ActionMode mode,MenuItem item) {
             TODO Auto-generated method stub

            switch (item.getItemId()) {
            case R.id.action_add:
                Toast.makeText(MainActivity.this,"添加被点击",1).show();
                break;

             R.id.action_delete:
                Toast.makeText(MainActivity.;
            default:
                ;
            }

            ;
        }
    };
}