Android中OptionMenu的使用

 

package com.baosight.menu;

 

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

 

/**

 * 选项菜单

 * 

 * @author shyboy([e-mail])

 * 

 */

public class OptionMenuActivity extends Activity {

 

/**

* 菜单项ID常量

*/

private static final int ITEM1 = Menu.FIRST;

private static final int ITEM2 = Menu.FIRST + 1;

 

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

}

 

/**

* 覆盖该方法添加菜单项

*/

@Override

public boolean onCreateOptionsMenu(Menu menu) {

 

menu.add(0, ITEM1, 0, "开始");

menu.add(0, ITEM2, 0, "退出");

 

return true;

 

}

 

/**

* 覆盖该方法，响应菜单选项被单击事件

*/

@Override

public boolean onOptionsItemSelected(MenuItem item) {

 

switch (item.getItemId()) {

/**

* 当“开始”菜单被选择时

*/

case ITEM1:

this.setTitle("开始游戏");

break;

 

/**

* 当“退出”菜单被选择时

*/

case ITEM2:

this.setTitle("退出游戏");

break;

}

 

return true;

 

}

}