自定义Android菜单背景

public class MainActivity extends Activity{
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
   
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
   
    MenuInflater inflater = new MenuInflater(getApplicationContext());  //实例化MenuInflater
    inflater.inflate(R.menu.menu_options, menu);
    setMenuBackground();
    return true;
    }
   
    // 关键代码就是重写Layout类的工厂方法onCreateView，这里对比绘制的View来替换系统中的
    public void setMenuBackground(){
    getLayoutInflater().setFactory( new Factory() {
        @Override
        public View onCreateView ( String name, Context context, AttributeSet attrs ) {
           if ( name.equalsIgnoreCase( "com.android.internal.view.menu.IconMenuItemView" ) ) {
          //上面这句不能有改动，目前来看对于原生android目前这个packageName还没有变化
            try {
             LayoutInflater f = getLayoutInflater();
             final View view = f.createView( name, null, attrs );  //尝试创建我们自己布局
             new Handler().post( new Runnable() {
              public void run () {
               view.setBackgroundResource(R.drawable.back); //设置背景为我们自定义的图片，替换cwj_bg文件即可
              }
             } );
             return view;
            }
             catch ( InflateException e ) {}
             catch ( ClassNotFoundException e ) {}
           }
            return null;
          }
    });
     }
   
    @Override
    protected void onResume() {
    super.onResume();
    }
    @Override
    protected void onPause() {
    super.onPause();
    }
   
    @Override
    protected void onStop() {
    super.onStop();
    }

}


res/menu/options_menu.xml:

<menu xmlns:android="http://schemas.android.com/apk/res/android"> 
    <item android:id="@+id/new_game" 
          android:title="New Game" /> 
    <item android:id="@+id/quit" 
          android:title="Quit" /> 
</menu>