<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=".MainActivity"
    >
    <item
        android:id="@+id/action_edit"
        android:icon="@mipmap/image_ic_doodle"
        android:orderInCategory="100"
        android:title="删除"
        app:showAsAction="ifRoom" />
    <item
        android:id="@+id/action_discard"
        android:icon="@drawable/ic_action_discard"
        android:orderInCategory="100"
        android:title="删除"
        app:showAsAction="ifRoom"
        />
</menu>
    <!-- From: file:/Users/foamtrace/dev/AndroidStudioProjects/PhotoPicker/photopicker/src/main/res/menu/menu_preview.xml -->