Android 8.1 新增壁纸

Android 8.1平台默认只有一张壁纸 如何新增

1.alps\vendor\mediatek\proprietary\packages\apps\WallpaperPicker\res\values-nodpi\wallpapers.xml

<resources>
    <string-array name="wallpapers" translatable="false">
	    <item>wallpaper_01</item>
        <item>wallpaper_02</item>
        <item>wallpaper_03</item>
        <item>wallpaper_04</item>
        <item>wallpaper_05</item>
        <item>wallpaper_06</item>
        <item>wallpaper_07</item>
    </string-array>
</resources>

2.alps\vendor\mediatek\proprietary\packages\apps\WallpaperPicker\res\drawable-nodpi 新增图片