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功能頁(yè)面給掃一掃按鈕添加點(diǎn)擊事件進(jìn)行跳轉(zhuǎn)
lhScanQCodeViewController * sqVC = [[lhScanQCodeViewController alloc]init];
? ? UINavigationController * nVC = [[UINavigationController alloc]initWithRootViewController:sqVC];
? ? [self presentViewController:nVC animated:YES completion:^{ }];
邏輯處理? .h文件
#import@interface lhScanQCodeViewController : UIViewController
@end
邏輯處理.m文件
#import "lhScanQCodeViewController.h"#import "QRCodeReaderView.h"#import#import#define DeviceMaxHeight ([UIScreen mainScreen].bounds.size.height)#define DeviceMaxWidth ([UIScreen mainScreen].bounds.size.width)#define widthRate DeviceMaxWidth/320#define IOS8 ([[UIDevice currentDevice].systemVersion intValue] >= 8 ? YES : NO)@interface lhScanQCodeViewController (){
? ? QRCodeReaderView * readview;//二維碼掃描對(duì)象
? ? BOOL isFirst;//第一次進(jìn)入該頁(yè)面
? ? BOOL isPush;//跳轉(zhuǎn)到下一級(jí)頁(yè)面
}
@property (strong, nonatomic) CIDetector *detector;
@end
@implementation lhScanQCodeViewController
- (void)viewDidLoad {
? ? [super viewDidLoad];
? ? // Do any additional setup after loading the view.
? ? self.title = @"掃描";
? ? self.view.backgroundColor = [UIColor whiteColor];
? ? UIBarButtonItem * rbbItem = [[UIBarButtonItem alloc]initWithTitle:@"相冊(cè)" style:UIBarButtonItemStyleDone target:self action:@selector(alumbBtnEvent)];
? ? self.navigationItem.rightBarButtonItem = rbbItem;
? ? UIBarButtonItem * lbbItem = [[UIBarButtonItem alloc]initWithTitle:@"返回" style:UIBarButtonItemStyleDone target:self action:@selector(backButtonEvent)];
? ? self.navigationItem.leftBarButtonItem = lbbItem;
? ? isFirst = YES;
? ? isPush = NO;
? ? [self InitScan];
}
- (void)didReceiveMemoryWarning {
? ? [super didReceiveMemoryWarning];
? ? // Dispose of any resources that can be recreated.
}
#pragma mark - 返回
- (void)backButtonEvent
{
? ? [self dismissViewControllerAnimated:YES completion:^{
? ? }];
}
#pragma mark 初始化掃描
- (void)InitScan
{
? ? if (readview) {
? ? ? ? [readview removeFromSuperview];
? ? ? ? readview = nil;
? ? }
? ? readview = [[QRCodeReaderView alloc]initWithFrame:CGRectMake(0, 0, DeviceMaxWidth, DeviceMaxHeight)];
? ? readview.is_AnmotionFinished = YES;
? ? readview.backgroundColor = [UIColor clearColor];
? ? readview.delegate = self;
? ? readview.alpha = 0;
? ? [self.view addSubview:readview];
? ? [UIView animateWithDuration:0.5 animations:^{
? ? ? ? readview.alpha = 1;
? ? }completion:^(BOOL finished) {
? ? }];
}
#pragma mark - 相冊(cè)
- (void)alumbBtnEvent
{
? ? self.detector = [CIDetector detectorOfType:CIDetectorTypeQRCode context:nil options:@{ CIDetectorAccuracy : CIDetectorAccuracyHigh }];
? ? if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) { //判斷設(shè)備是否支持相冊(cè)
? ? ? ? if (IOS8) {
? ? ? ? ? ? UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"未開(kāi)啟訪(fǎng)問(wèn)相冊(cè)權(quán)限，現(xiàn)在去開(kāi)啟！" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil];
? ? ? ? ? ? alert.tag = 4;
? ? ? ? ? ? [alert show];
? ? ? ? }
? ? ? ? else{
? ? ? ? ? ? UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"設(shè)備不支持訪(fǎng)問(wèn)相冊(cè)，請(qǐng)?jiān)谠O(shè)置->隱私->照片中進(jìn)行設(shè)置！" delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
? ? ? ? ? ? [alert show];
? ? ? ? }
? ? ? ? return;
? ? }
? ? isPush = YES;
? ? UIImagePickerController *mediaUI = [[UIImagePickerController alloc] init];
? ? mediaUI.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
? ? mediaUI.mediaTypes = [UIImagePickerController? ? ? ? availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeSavedPhotosAlbum];
? ? mediaUI.allowsEditing = NO;
? ? mediaUI.delegate = self;
? ? [self presentViewController:mediaUI animated:YES completion:^{
? ? ? ? [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleDefault animated:YES];
? ? }];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
? ? UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];
? ? if (!image){
? ? ? ? image = [info objectForKey:UIImagePickerControllerOriginalImage];
? ? }
? ? readview.is_Anmotion = YES;
? ? NSArray *features = [self.detector featuresInImage:[CIImage imageWithCGImage:image.CGImage]];
? ? if (features.count >=1) {
? ? ? ? [picker dismissViewControllerAnimated:YES completion:^{
? ? ? ? ? ? [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:YES];
? ? ? ? ? ? CIQRCodeFeature *feature = [features objectAtIndex:0];
? ? ? ? ? ? NSString *scannedResult = feature.messageString;
? ? ? ? ? ? //播放掃描二維碼的聲音
? ? ? ? ? ? SystemSoundID soundID;
? ? ? ? ? ? NSString *strSoundFile = [[NSBundle mainBundle] pathForResource:@"noticeMusic" ofType:@"wav"];
? ? ? ? ? ? AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:strSoundFile],&soundID);
? ? ? ? ? ? AudioServicesPlaySystemSound(soundID);
? ? ? ? ? ? [self accordingQcode:scannedResult];
? ? ? ? }];
? ? }
? ? else{
? ? ? ? UIAlertView * alertView = [[UIAlertView alloc]initWithTitle:@"提示" message:@"該圖片沒(méi)有包含一個(gè)二維碼！" delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
? ? ? ? [alertView show];
? ? ? ? [picker dismissViewControllerAnimated:YES completion:^{
? ? ? ? ? ? [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:YES];
? ? ? ? ? ? readview.is_Anmotion = NO;
? ? ? ? ? ? [readview start];
? ? ? ? }];
? ? }
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
? ? [picker dismissViewControllerAnimated:YES completion:^{
? ? ? ? [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:YES];
? ? }];
}
#pragma mark -QRCodeReaderViewDelegate
- (void)readerScanResult:(NSString *)result
{
? ? readview.is_Anmotion = YES;
? ? [readview stop];
? ? //播放掃描二維碼的聲音
? ? SystemSoundID soundID;
? ? NSString *strSoundFile = [[NSBundle mainBundle] pathForResource:@"noticeMusic" ofType:@"wav"];
? ? AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:strSoundFile],&soundID);
? ? AudioServicesPlaySystemSound(soundID);
? ? [self accordingQcode:result];
? ? [self performSelector:@selector(reStartScan) withObject:nil afterDelay:1.5];
}
#pragma mark - 掃描結(jié)果處理
- (void)accordingQcode:(NSString *)str
{
? ? UIAlertView * alertView = [[UIAlertView alloc]initWithTitle:@"掃描結(jié)果" message:str delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
? ? [alertView show];
}
- (void)reStartScan
{
? ? readview.is_Anmotion = NO;
? ? if (readview.is_AnmotionFinished) {
? ? ? ? [readview loopDrawLine];
? ? }
? ? [readview start];
}
#pragma mark - view
- (void)viewWillAppear:(BOOL)animated
{
? ? [super viewWillAppear:animated];
? ? if (isFirst || isPush) {
? ? ? ? if (readview) {
? ? ? ? ? ? [self reStartScan];
? ? ? ? }
? ? }
}
- (void)viewDidDisappear:(BOOL)animated
{
? ? [super viewDidDisappear:animated];
? ? if (readview) {
? ? ? ? [readview stop];
? ? ? ? readview.is_Anmotion = YES;
? ? }
}
- (void)viewDidAppear:(BOOL)animated
{
? ? [super viewDidAppear:animated];
? ? if (isFirst) {
? ? ? ? isFirst = NO;
? ? }
? ? if (isPush) {
? ? ? ? isPush = NO;
? ? }
}
@end
界面的展示.H文件
#import/** * Simple view to display an overlay (a square) over the camera view. * @since 2.0.0 */@protocol QRCodeReaderViewDelegate- (void)readerScanResult:(NSString *)result;@end@interface QRCodeReaderView : UIView@property (nonatomic, weak) id delegate;
@property (nonatomic,copy)UIImageView * readLineView;
@property (nonatomic,assign)BOOL is_Anmotion;
@property (nonatomic,assign)BOOL is_AnmotionFinished;
//開(kāi)啟關(guān)閉掃描
- (void)start;
- (void)stop;
- (void)loopDrawLine;//初始化掃描線(xiàn)
@end
界面的.M文件
#import "QRCodeReaderView.h"#import#define DeviceMaxHeight ([UIScreen mainScreen].bounds.size.height)#define DeviceMaxWidth ([UIScreen mainScreen].bounds.size.width)#define widthRate DeviceMaxWidth/320#define contentTitleColorStr @"666666" //正文顏色較深@interface QRCodeReaderView (){
? ? AVCaptureSession * session;
? ? NSTimer * countTime;
}
@property (nonatomic, strong) CAShapeLayer *overlay;
@end
@implementation QRCodeReaderView
- (id)initWithFrame:(CGRect)frame
{
? ? if ((self = [super initWithFrame:frame])) {
? ? ? ? [self instanceDevice];
? }
? return self;
}
- (void)instanceDevice
{
? ? //掃描區(qū)域
? ? UIImage *hbImage=[UIImage imageNamed:@"scanscanBg"];
? ? UIImageView * scanZomeBack=[[UIImageView alloc] init];
? ? scanZomeBack.backgroundColor = [UIColor clearColor];
? ? scanZomeBack.layer.borderColor = [UIColor whiteColor].CGColor;
? ? scanZomeBack.layer.borderWidth = 2.5;
? ? scanZomeBack.image = hbImage;
? ? //添加一個(gè)背景圖片
? ? CGRect mImagerect = CGRectMake(60*widthRate, (DeviceMaxHeight-200*widthRate)/2, 200*widthRate, 200*widthRate);
? ? [scanZomeBack setFrame:mImagerect];
? ? CGRect scanCrop=[self getScanCrop:mImagerect readerViewBounds:self.frame];
? ? [self addSubview:scanZomeBack];
? ? //獲取攝像設(shè)備
? ? AVCaptureDevice * device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
? ? //創(chuàng)建輸入流
? ? AVCaptureDeviceInput * input = [AVCaptureDeviceInput deviceInputWithDevice:device error:nil];
? ? //創(chuàng)建輸出流
? ? AVCaptureMetadataOutput * output = [[AVCaptureMetadataOutput alloc]init];
? ? //設(shè)置代理 在主線(xiàn)程里刷新
? ? [output setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()];
? ? output.rectOfInterest = scanCrop;
? ? //初始化鏈接對(duì)象
? ? session = [[AVCaptureSession alloc]init];
? ? //高質(zhì)量采集率
? ? [session setSessionPreset:AVCaptureSessionPresetHigh];
? ? if (input) {
? ? ? ? [session addInput:input];
? ? }
? ? if (output) {
? ? ? ? [session addOutput:output];
? ? ? ? //設(shè)置掃碼支持的編碼格式(如下設(shè)置條形碼和二維碼兼容)
? ? ? ? NSMutableArray *a = [[NSMutableArray alloc] init];
? ? ? ? if ([output.availableMetadataObjectTypes containsObject:AVMetadataObjectTypeQRCode]) {
? ? ? ? ? ? [a addObject:AVMetadataObjectTypeQRCode];
? ? ? ? }
? ? ? ? if ([output.availableMetadataObjectTypes containsObject:AVMetadataObjectTypeEAN13Code]) {
? ? ? ? ? ? [a addObject:AVMetadataObjectTypeEAN13Code];
? ? ? ? }
? ? ? ? if ([output.availableMetadataObjectTypes containsObject:AVMetadataObjectTypeEAN8Code]) {
? ? ? ? ? ? [a addObject:AVMetadataObjectTypeEAN8Code];
? ? ? ? }
? ? ? ? if ([output.availableMetadataObjectTypes containsObject:AVMetadataObjectTypeCode128Code]) {
? ? ? ? ? ? [a addObject:AVMetadataObjectTypeCode128Code];
? ? ? ? }
? ? ? ? output.metadataObjectTypes=a;
? ? }
? ? AVCaptureVideoPreviewLayer * layer = [AVCaptureVideoPreviewLayer layerWithSession:session];
? ? layer.videoGravity=AVLayerVideoGravityResizeAspectFill;
? ? layer.frame=self.layer.bounds;
? ? [self.layer insertSublayer:layer atIndex:0];
? ? [self setOverlayPickerView:self];
? ? //開(kāi)始捕獲
? ? [session startRunning];
}
-(void)loopDrawLine
{
? ? _is_AnmotionFinished = NO;
? ? CGRect rect = CGRectMake(60*widthRate, (DeviceMaxHeight-200*widthRate)/2, 200*widthRate, 2);
? ? if (_readLineView) {
? ? ? ? _readLineView.alpha = 1;
? ? ? ? _readLineView.frame = rect;
? ? }
? ? else{
? ? ? ? _readLineView = [[UIImageView alloc] initWithFrame:rect];
? ? ? ? [_readLineView setImage:[UIImage imageNamed:@"scanLine"]];
? ? ? ? [self addSubview:_readLineView];
? ? }
? ? [UIView animateWithDuration:1.5 animations:^{
? ? ? ? //修改fream的代碼寫(xiě)在這里
? ? ? ? _readLineView.frame =CGRectMake(60*widthRate, (DeviceMaxHeight-200*widthRate)/2+200*widthRate-5, 200*widthRate, 2);
? ? } completion:^(BOOL finished) {
? ? ? ? if (!_is_Anmotion) {
? ? ? ? ? ? [self loopDrawLine];
? ? ? ? }
? ? ? ? _is_AnmotionFinished = YES;
? ? }];
}
- (void)setOverlayPickerView:(QRCodeReaderView *)reader
{
? ? CGFloat wid = 60*widthRate;
? ? CGFloat heih = (DeviceMaxHeight-200*widthRate)/2;
? ? //最上部view
? ? CGFloat alpha = 0.6;
? ? UIView* upView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, DeviceMaxWidth, heih)];
? ? upView.alpha = alpha;
? ? upView.backgroundColor = [self colorFromHexRGB:contentTitleColorStr];
? ? [reader addSubview:upView];
? ? //用于說(shuō)明的label
? ? UILabel * labIntroudction= [[UILabel alloc] init];
? ? labIntroudction.backgroundColor = [UIColor clearColor];
? ? labIntroudction.frame=CGRectMake(0, 64+(heih-64-50*widthRate)/2, DeviceMaxWidth, 50*widthRate);
? ? labIntroudction.textAlignment = NSTextAlignmentCenter;
? ? labIntroudction.textColor=[UIColor whiteColor];
? ? labIntroudction.text=@"請(qǐng)掃描XXXX支付二維碼";
? ? [upView addSubview:labIntroudction];
? ? //左側(cè)的view
? ? UIView * cLeftView = [[UIView alloc] initWithFrame:CGRectMake(0, heih, wid, 200*widthRate)];
? ? cLeftView.alpha = alpha;
? ? cLeftView.backgroundColor = [self colorFromHexRGB:contentTitleColorStr];
? ? [reader addSubview:cLeftView];
? ? //右側(cè)的view
? ? UIView *rightView = [[UIView alloc] initWithFrame:CGRectMake(DeviceMaxWidth-wid, heih, wid, 200*widthRate)];
? ? rightView.alpha = alpha;
? ? rightView.backgroundColor = [self colorFromHexRGB:contentTitleColorStr];
? ? [reader addSubview:rightView];
? ? //底部view
? ? UIView * downView = [[UIView alloc] initWithFrame:CGRectMake(0, heih+200*widthRate, DeviceMaxWidth, DeviceMaxHeight - heih-200*widthRate)];
? ? downView.alpha = alpha;
? ? downView.backgroundColor = [self colorFromHexRGB:contentTitleColorStr];
? ? [reader addSubview:downView];
? ? //開(kāi)關(guān)燈button
? ? UIButton * turnBtn = [UIButton buttonWithType:UIButtonTypeCustom];
? ? turnBtn.backgroundColor = [UIColor clearColor];
? ? [turnBtn setBackgroundImage:[UIImage imageNamed:@"lightSelect"] forState:UIControlStateNormal];
? ? [turnBtn setBackgroundImage:[UIImage imageNamed:@"lightNormal"] forState:UIControlStateSelected];
? ? turnBtn.frame=CGRectMake((DeviceMaxWidth-50*widthRate)/2, (CGRectGetHeight(downView.frame)-50*widthRate)/2, 50*widthRate, 50*widthRate);
? ? [turnBtn addTarget:self action:@selector(turnBtnEvent:) forControlEvents:UIControlEventTouchUpInside];
? ? [downView addSubview:turnBtn];
}
- (void)turnBtnEvent:(UIButton *)button_
{
? ? button_.selected = !button_.selected;
? ? if (button_.selected) {
? ? ? ? [self turnTorchOn:YES];
? ? }
? ? else{
? ? ? ? [self turnTorchOn:NO];
? ? }
}
- (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];
? ? ? ? ? ? } else {
? ? ? ? ? ? ? ? [device setTorchMode:AVCaptureTorchModeOff];
? ? ? ? ? ? ? ? [device setFlashMode:AVCaptureFlashModeOff];
? ? ? ? ? ? }
? ? ? ? ? ? [device unlockForConfiguration];
? ? ? ? }
? ? }
}
-(CGRect)getScanCrop:(CGRect)rect readerViewBounds:(CGRect)readerViewBounds
{
? ? CGFloat x,y,width,height;
//? ? width = (CGFloat)(rect.size.height+10)/readerViewBounds.size.height;
//? ?
//? ? height = (CGFloat)(rect.size.width-50)/readerViewBounds.size.width;
//? ?
//? ? x = (1-width)/2;
//? ? y = (1-height)/2;
? ? x = (CGRectGetHeight(readerViewBounds)-CGRectGetHeight(rect))/2/CGRectGetHeight(readerViewBounds);
? ? y = (CGRectGetWidth(readerViewBounds)-CGRectGetWidth(rect))/2/CGRectGetWidth(readerViewBounds);
? ? width = CGRectGetHeight(rect)/CGRectGetHeight(readerViewBounds);
? ? height = CGRectGetWidth(rect)/CGRectGetWidth(readerViewBounds);
? ? return CGRectMake(x, y, width, height);
}
- (void)start
{
? ? [session startRunning];
}
- (void)stop
{
? ? [session stopRunning];
}
#pragma mark - 掃描結(jié)果
- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputMetadataObjects:(NSArray *)metadataObjects fromConnection:(AVCaptureConnection *)connection
{
? ? if (metadataObjects && metadataObjects.count>0) {
? ? ? ? AVMetadataMachineReadableCodeObject * metadataObject = [metadataObjects objectAtIndex : 0 ];
? ? ? ? //輸出掃描字符串
? ? ? ? if (_delegate && [_delegate respondsToSelector:@selector(readerScanResult:)]) {
? ? ? ? ? ? [_delegate readerScanResult:metadataObject.stringValue];
? ? ? ? }
? ? }
}
#pragma mark - 顏色
//獲取顏色
- (UIColor *)colorFromHexRGB:(NSString *)inColorString
{
? ? UIColor *result = nil;
? ? unsigned int colorCode = 0;
? ? unsigned char redByte, greenByte, blueByte;
? ? if (nil != inColorString)
? ? {
? ? ? ? NSScanner *scanner = [NSScanner scannerWithString:inColorString];
? ? ? ? (void) [scanner scanHexInt:&colorCode]; // ignore error
? ? }
? ? redByte = (unsigned char) (colorCode >> 16);
? ? greenByte = (unsigned char) (colorCode >> 8);
? ? blueByte = (unsigned char) (colorCode); // masks off high bits
? ? result = [UIColor
? ? ? ? ? ? ? colorWithRed: (float)redByte / 0xff
? ? ? ? ? ? ? green: (float)greenByte/ 0xff
? ? ? ? ? ? ? blue: (float)blueByte / 0xff
? ? ? ? ? ? ? alpha:1.0];
? ? return result;
}
@end
