第一次提交

zjf

2023-03-06 392b76515f40376b6d36f40a114850ef63650384

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//
//  SGTorch.m
//  SGQRCodeExample
//
//  Created by kingsic on 2022/7/9.
//  Copyright © 2022 kingsic. All rights reserved.
//
 
#import "SGTorch.h"
#import <AVFoundation/AVFoundation.h>
 
@implementation SGTorch
 
+ (void)turnOnTorch {
    AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
    if ([device hasTorch]) {
        BOOL locked = [device lockForConfiguration:nil];
        if (locked) {
            [device setTorchMode:AVCaptureTorchModeOn];
            [device unlockForConfiguration];
        }
    }
}
 
+ (void)turnOffTorch {
    AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
 
    if ([device hasTorch]) {
        [device lockForConfiguration:nil];
        [device setTorchMode:AVCaptureTorchModeOff];
        [device unlockForConfiguration];
    }
}
 
@end