java – 为什么我的溢出下拉菜单位于操作栏的顶部？

默认情况下不应该在操作栏下面吗？那么我做错了什么？

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}

RES /菜单/ main.xml中

<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.example.test.MainActivity" >

<item
    android:id="@+id/action_settings"
    android:orderInCategory="100"
    android:title="@string/action_settings"
    app:showAsAction="never"/>
</menu>

解决方法:

根据Material Design specifications,溢出菜单应显示在操作栏的顶部：

A menu is a temporary sheet of paper that always overlaps the app bar, rather than behaving as an extension of the app bar.

这是Android Lollipop应用程序以及使用AppCompat v7支持库的任何应用程序的默认行为.