cls(“android.app.WallpaperManager”,class)
javax(wm,null,class,”getInstance”,”Context”,activity)
javax(drawable,wm,class,”getDrawable”)
java(图片,drawable,”android.graphics.drawable.BitmapDrawable.getBitmap”)
bfs(图片, “%123.jpg”)
这样就会将当前壁纸保存到相对根目录下