public static void setWallpaper(Context context){
try {
WallpaperManager mWallpaperManager = WallpaperManager.getInstance(context);
if (mWallpaperManager != null) {
mWallpaperManager.setBitmap(BitmapFactory.decodeResource(context.getResources(), R.drawable.default_wallpaper), null, true,
WallpaperManager.FLAG_LOCK | WallpaperManager.FLAG_SYSTEM);
}
} catch (IOException e) {
e.printStackTrace();
}
try {
WallpaperManager mWallpaperManager = WallpaperManager.getInstance(context);
if (mWallpaperManager != null) {
mWallpaperManager.setBitmap(BitmapFactory.decodeResource(context.getResources(), R.drawable.default_wallpaper), null, true,
WallpaperManager.FLAG_LOCK | WallpaperManager.FLAG_SYSTEM);
}
} catch (IOException e) {
e.printStackTrace();
}