iOS8调用相机报警告Snapshotting a view的解决方法

因为我这也报了这个警告,所以把解决方法写到这个地方看是否其他人用的到,具体解决方法: 错误代码:Snapshotting a view that has not been rendered results in an empty snapshot. Ensure your view has been rendered at least once before snapshotting or snapshot after screen updates. 问题分析:iOS8在调用系统相机拍照时,会有一两秒的停顿,然后再弹出UIImagePickConroller,IOS7是没有这个问题的,在百度找