android调用系统相机拍照并将照片储存在缓存中，并以列表展示照片，还算稳定，可以设置缓存清理时间，我试了十几张照片没有问题-Android system is called the cameras to take pictures and photos will be stored in the cache, and in a list to show the photos, is stable, you can set the cache cleaning time, I tried a