关于壁纸

获取 WallpaperManager 的实例使用其静态类getInstance(context);

WallpaperManager中的重要方法：

/** * Retrieve the current system wallpaper; if * no wallpaper is set, the system default wallpaper is returned. * This is returned as an * abstract Drawable that you can install in a View to display whatever * wallpaper the user has currently set. * * @return Returns a Drawable object that will draw the wallpaper. */ public Drawable getDrawable() ; 设置壁纸可用以下方法： public void setResource(int resid); public void setBitmap(Bitmap bitmap); public void setStream(InputStream data); 恢复系统默认的壁纸用： public void clear();