android设置全屏壁纸代码

设置全屏壁纸代码：

 WallpaperManager instance = WallpaperManager.getInstance(mContext);
            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
            DisplayMetrics dm = new DisplayMetrics();
            wm.getDefaultDisplay().getMetrics(dm);
            int desiredMinimumWidth = dm.widthPixels;
            int desiredMinimumHeight = dm.heightPixels;
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            instance.suggestDesiredDimensions(desiredMinimumWidth, desiredMinimumHeight);
            Bitmap bitmap = FileUtil.fitSizePic(new File(path));
            instance.setBitmap(bitmap);

注意权限：

<uses-permission android:name="android.permission.SET_WALLPAPER" />
    <uses-permission android:name="android.permission.SET_WALLPAPER_HINTS" />