如何將當前壁紙設置為我的應用背景圖片Android？

Question

我想獲取手機的當前牆紙並將該圖像設置為應用程序的背景圖像。 我嘗試過這種方式，但顯示運行時異常

final WallpaperManager wallpaperManager = WallpaperManager.getInstance(this);
final Drawable wallpaperDrawable = wallpaperManager.getDrawable();
layout.setBackground(wallpaperDrawable);

Answer 1

 final WallpaperManager wallpaperManager = WallpaperManager.getInstance(this);
 final Drawable wallpaperDrawable = wallpaperManager.getFastDrawable();
 getWindow().setBackgroundDrawable(wallpaperDrawable);