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iOS调用闪光灯的代码

尤克乔乔 2022-08-06 阅读 76


1、导入相应的库文件AVFoundation

2、

AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];  
if (![device hasTorch]) {
NSLog(@"no torch");
}else{
[device lockForConfiguration:nil];
if (!on) {
[device setTorchMode: AVCaptureTorchModeOn];
}
else
{
[device setTorchMode: AVCaptureTorchModeOff];
}

[device unlockForConfiguration];
}

 

 

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