Android--获得0-n随机排列的数组

public static Integer[] getRandomId(int n)

    {
      Integer[] arryRandom = new Integer[n];
      for (int i = 0; i < n; i++)
         arryRandom[i] = i;
      List list = Arrays.asList(arryRandom);
      Collections.shuffle(list);
      return arryRandom;
    }