闪光灯使用时崩溃[AVCaptureDevice setTorchMode:]
出现如下错误:*** -[AVCaptureDevice setTorchMode:] The passed torchMode 1 is not supported - use -isTorchModeSupported: to discover valid torch modes原因是因为你的设备不支持闪光灯,例如ipad设备,所以需要在闪光灯打开的代码部分先做判断- (voi...