You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
856 B
36 lines
856 B
1 year ago
|
//
|
||
|
|
// 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
|