- 导入
#import <AVFoundation/AVFoundation.h>框架
- (IBAction)FlashlightClick:(UIButton *)sender {
sender.selected = !sender.isSelected;
Class captureDeviceClass = NSClassFromString(@"AVCaptureDevice");
if (captureDeviceClass != nil) {
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
if ([device hasTorch] && [device hasFlash]) {
[device lockForConfiguration:nil];
if (sender.isSelected) {
[device setTorchMode:AVCaptureTorchModeOn];
[device setFlashMode:AVCaptureFlashModeOn];
}else {
[device setTorchMode:AVCaptureTorchModeOff];
[device setFlashMode:AVCaptureFlashModeOff];
}
[device unlockForConfiguration];
}
}
}
附上demo:
github送上门
