1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | - (void) turnTorchOn: (bool) on {Class captureDeviceClass = NSClassFromString(@"AVCaptureDevice");if (captureDeviceClass != nil) { AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo]; if ([device hasTorch] && [device hasFlash]){ [device lockForConfiguration:nil]; if (on) { [device setTorchMode:AVCaptureTorchModeOn]; [device setFlashMode:AVCaptureFlashModeOn]; torchIsOn = YES; } else { [device setTorchMode:AVCaptureTorchModeOff]; [device setFlashMode:AVCaptureFlashModeOff]; torchIsOn = NO; } [device unlockForConfiguration]; }}} |
