从项目中提炼出来一款扫描二维码工具
Github地址：https://github.com/yangKJ
简书地址：https://www.jianshu.com/u/c84c00476ab6
博客地址：https://blog.csdn.net/qq_34534179
播放器 - KJPlayer是一款视频播放器，AVPlayer的封装，继承UIView
pod 'KJPlayer' # 播放器功能区
pod 'KJPlayer/KJPlayerView' # 自带展示界面
实用又方便的Category和一些自定义控件
pod 'KJEmitterView'
pod 'KJEmitterView/Function'#
pod 'KJEmitterView/Control' # 自定义控件
轮播图 - 支持缩放 多种pagecontrol 支持继承自定义样式 自带网络加载和缓存
pod 'KJBannerView' # 轮播图，网络图片加载
菜单控件 - 下拉控件 选择控件
pod 'KJMenuView' # 菜单控件
加载Loading - 多种样式供选择
pod 'KJLoadingAnimation' # 加载控件
如果您在使用中有好的需求及建议，或者遇到什么bug，欢迎随时issue，我会及时的回复，有空也会不断优化更新这些库
//
// KJScanVC.m
// KJEmitterView
//
// Created by 杨科军 on 2019/8/27.
// Copyright © 2019 杨科军. All rights reserved.
//
#import "KJScanVC.h"
#import "KJScanView.h"
@interface KJScanVC ()<UIImagePickerControllerDelegate, UINavigationControllerDelegate>
@property (nonatomic, strong) KJNativeScanTool * scanTool;
@property (nonatomic, strong) KJScanView * scanView;
@end
@implementation KJScanVC
#pragma mark - Status bar
- (BOOL)prefersStatusBarHidden {
return NO;
}
- (UIStatusBarStyle)preferredStatusBarStyle {
return UIStatusBarStyleLightContent;
}
- (UIStatusBarAnimation)preferredStatusBarUpdateAnimation {
return UIStatusBarAnimationFade;
}
- (void)viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
[_scanView startScanAnimation];
[_scanTool sessionStartRunning];
}
- (void)viewWillDisappear:(BOOL)animated{
[super viewWillDisappear:animated];
[_scanView stopScanAnimation];
[_scanView finishedHandle];
[_scanView showFlashSwitch:NO];
[_scanTool sessionStopRunning];
}
- (void)viewDidLoad {
[super viewDidLoad];
[self setUI];
}
- (void)setUI{
//输出流视图
UIView *preview = [[UIView alloc] initWithFrame:self.view.bounds];
[self.view addSubview:preview];
//构建扫描样式视图
CGFloat w = 250;
_scanView = [[KJScanView alloc] initWithFrame:self.view.bounds];
_scanView.scanRetangleRect = CGRectMake(kScreenW/2 - w/2, kScreenH/2 - w/2, w, w);
_scanView.colorAngle = UIColor.redColor;
_scanView.isNeedShowRetangle = YES;
_scanView.photoframeAngleW = 20;
_scanView.photoframeAngleH = 20;
_scanView.photoframeLineW = 2;
_scanView.colorRetangleLine = [UIColor whiteColor];
_scanView.notRecoginitonArea = UIColorFromHEXA(0x000000, 0.3);
_scanView.animationImage = [UIImage imageNamed:@"KJScan.bundle/scanLine"];
_scanView.animationImageSize = CGSizeMake(w, 45);
_scanView.animationImageTime = 2.;
__weak typeof(self) weakSelf = self;
_scanView.flashSwitchBlock = ^(BOOL open) {
[weakSelf.scanTool openFlashSwitch:open];
};
[self.view addSubview:_scanView];
//初始化扫描工具
_scanTool = [[KJNativeScanTool alloc] initWithPreview:preview andScanFrame:_scanView.scanRetangleRect];
_scanTool.scanFinishedBlock = ^(NSString *scanString) {
// if (!kStringIsEmpty(scanString)) {
// // [weakSelf.scanView handlingResultsOfScan];
// [weakSelf decodeScanString:scanString];
// }else{
// [MBProgressHUD showError:@"无法识别图中二维码"];
// }
[weakSelf.scanTool sessionStopRunning];
[weakSelf.scanTool openFlashSwitch:NO];
};
_scanTool.monitorLightBlock = ^(CGFloat brightness) {
// NSLog(@"环境光感 ： %f",brightness);
if (brightness < 0) {
// 环境太暗，显示闪光灯开关按钮
[weakSelf.scanView showFlashSwitch:YES];
}else if(brightness > 0){
// 环境亮度可以,且闪光灯处于关闭状态时，隐藏闪光灯开关
if(!weakSelf.scanTool.flashOpen){
[weakSelf.scanView showFlashSwitch:NO];
}
}
};
[_scanTool sessionStartRunning];
[_scanView startScanAnimation];
// UIButton *rightButton = [UIButton buttonWithType:UIButtonTypeCustom];
// rightButton.frame = CGRectMake(kScreenW - 80 - 10, 15 + kSTATUSBAR_HEIGHT, 80, 14);
// [rightButton setTitle:@"相册导入" forState:(UIControlStateNormal)];
// [rightButton setTitleColor:UIColor.whiteColor forState:(UIControlStateNormal)];
// rightButton.titleLabel.font = [UIFont systemFontOfSize:18];
// rightButton.titleLabel.textAlignment = NSTextAlignmentRight;
// [self.view addSubview:rightButton];
// [rightButton kj_addAction:^(UIButton * _Nonnull kButton) {
// /// 先判断权限是否打开
// [KJPhotoTool kj_grantedAssetsAuthorizationStatus:^(BOOL isSuccess) {
// if (isSuccess) {
// UIImagePickerController *vc = [[UIImagePickerController alloc] init];
// vc.delegate = weakSelf;
// vc.allowsEditing = NO;
// vc.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
// [weakSelf presentViewController:vc animated:YES completion:nil];
// }
// }];
// }];
//
// UIButton *leftButton = [UIButton buttonWithType:UIButtonTypeCustom];
// leftButton.frame = CGRectMake(10, 15 + kSTATUSBAR_HEIGHT, 100, 14);
// [leftButton setTitle:@"扫一扫" forState:(UIControlStateNormal)];
// [leftButton setTitleColor:UIColor.whiteColor forState:(UIControlStateNormal)];
// [leftButton setImage:[UIImage imageNamed:@"navigation_white_back"] forState:(UIControlStateNormal)];
// leftButton.titleLabel.font = [UIFont systemFontOfSize:18];
// leftButton.kj_Padding = 10;
// leftButton.kj_ButtonContentLayoutType = KJButtonContentLayoutStyleLeftImageLeft;
// [self.view addSubview:leftButton];
// [leftButton kj_addAction:^(UIButton * _Nonnull kButton) {
//// [weakSelf kBaseNavBack];
// [weakSelf.navigationController popViewControllerAnimated:YES];
// }];
}
/// 解码扫描结果
- (void)decodeScanString:(NSString*)string{
NSLog(@"扫码数据：%@",string);
// NSString *decryptString = [WPAESSecurity aes128DecryptWith:string Key:kWPPulicKey];
// NSDictionary *dict = [decryptString jsonValueDecoded];
// if ([dict[@"type"] isEqualToString:@"json"]) {
// BannerModel *model = [BannerModel yy_modelWithJSON:dict[@"data"]];
// [KJCustomFunction kJumptoWithBannerModel:model ViewController:self HtmlIsShare:NO];
// }
}
#pragma mark - UIImagePickerControllerDelegate
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{
[picker dismissViewControllerAnimated:YES completion:nil];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{
// //图片在这里压缩一下
// NSData *imageData = UIImageJPEGRepresentation(image, 0.5f);
// if (imageData.length/1024 > 1024*20){
// // mAlertView(@"温馨提示", @"请重新选择一张不超过20M的图片");
// }else{
// // _imageType = [NSData typeForImageData:imageData];
// // _imageBase64 = [imageData base64EncodedString];
// }
_weakself;
[picker dismissViewControllerAnimated:YES completion:^{
UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
if (image) {
[weakself.scanTool scanImageQRCode:image];
}
}];
}
@end