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//
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// YH_AVScanViewController.m
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// YH_Mall
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//
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// Created by XingYaXin on 14-9-18.
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// Copyright (c) 2014年 YOHO. All rights reserved.
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//
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#import "YH_AVScanViewController.h"
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#import "YH_ScanUtility.h"
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#import "UIAlertView+BBlock.h"
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#define is3_5Inches ([[UIScreen mainScreen] bounds].size.height == 480)
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#define IsNilOrNull(_ref) (((_ref) == nil) || ([(_ref) isEqual:[NSNull null]]))
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#define IsDictionaryClass(_ref) (!IsNilOrNull(_ref) && ([(_ref) isKindOfClass:[NSDictionary class]]))
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#define IsArrayClass(_ref) (!IsNilOrNull(_ref) && ([(_ref) isKindOfClass:[NSArray class]]))
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#define IsStrEmpty(_ref) (IsNilOrNull(_ref) || (![(_ref) isKindOfClass:[NSString class]]) || ([(_ref) isEqualToString:@""]))
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#define kScanWindowTop (is3_5Inches ? 80.0f : 95.0f)
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#define kScanWindowWidth (220.f)
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#define kScanWindowLeft (50.f)
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#define kScanWindowLineStep (2)
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#define kScanToolbarHeight (44.f)
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#define KSknString @"skn="
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#define kBrandIdString @"brand_id="
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#define kPCLoginCodeString @"qr="
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////////////////////////
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static CGFloat const kIntroductionOriginX = 75.0f; //introudction数据
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static CGFloat const kIntroductionOriginY = 350.0f;
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static CGFloat const kIntroductionWidth = 170.0f;
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static CGFloat const kIntroductionHeight = 20.0f;
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static CGFloat const kScanLineOriginX = 50.0f;
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static CGFloat const kScanLineWidth = 220.0f;
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static CGFloat const kScanLineHeight = 2.0f;
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static CGFloat const ktoolBarViewHeight = 44.0f; //toolBarView高度
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static CGFloat const kCloseZBarOriginX = 10.0f; //closeZBar关闭按钮X值
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@interface YH_AVScanViewController ()
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{
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NSInteger numberCount;
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BOOL upOrdown;
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NSTimer * timerHandle;
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}
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@property (strong, nonatomic) UIImageView *scanLine;
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@property (strong, nonatomic) UIView *toolBarView;
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@property (strong, nonatomic) UILabel *introudction;
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@property (strong, nonatomic) UIImageView *maskImageView;
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@property (copy, nonatomic) NSString *scanInfoString; //扫描信息全局变量
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@property (strong, nonatomic) YH_ScanUtility *scanUtility;
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@property (assign, nonatomic) dispatch_once_t onceToken;
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@property (assign, nonatomic) NSInteger kNumberCount; //扫描计数器
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@end
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@implementation YH_AVScanViewController
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- (YH_ScanUtility *)scanUtility
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{
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if (!_scanUtility) {
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_scanUtility = [[YH_ScanUtility alloc] init];
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}
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return _scanUtility;
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}
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- (id)init{
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self = [super init];
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if (self) {
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self.scanType = YHScanType_Express;
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}
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return self;
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}
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- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{
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self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
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if (self) {
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}
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return self;
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}
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- (void)didReceiveMemoryWarning{
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[super didReceiveMemoryWarning];
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}
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- (void)viewDidLoad{
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor blackColor];
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upOrdown = NO;
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numberCount = 0;
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self.kNumberCount = is3_5Inches ? 170 : 200;
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__weak typeof(self) weakSelf = self;
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[self.scanUtility addScanCallBackHandle:^(NSString *info, NSError *error) {
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[weakSelf dispatchQRByScanString:info];
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}];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(setupCamera) name:UIApplicationWillEnterForegroundNotification object:nil];
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)viewDidAppear:(BOOL)animated{
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[super viewDidAppear:animated];
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[self setupCamera];
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}
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- (void)addCustomeViews:(UIView *)containView
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{
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[self addScanMask:containView];
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[self addHelpInfo:containView];
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[self addToolBar:containView];
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}
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- (void)addHelpInfo:(UIView *)currentView{
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if (self.scanType == YHScanType_Express) {
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self.introudction.text = @"尽量让二维码/条形码充满框内";
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self.introudction.frame = CGRectMake(kIntroductionOriginX, kIntroductionOriginY, kIntroductionWidth+30, kIntroductionHeight);
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self.introudction.center = CGPointMake(self.view.center.x, kIntroductionOriginY * kScreenPointScale);
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}
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[currentView addSubview:self.introudction];
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[currentView addSubview:self.scanLine];
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if (!timerHandle) {
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timerHandle = [NSTimer scheduledTimerWithTimeInterval:0.02 target:self selector:@selector(scanAnimation) userInfo:nil repeats:YES];
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}
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}
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- (void)addToolBar:(UIView *)currentView{
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[currentView addSubview:self.toolBarView];
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}
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- (void)addScanMask:(UIView *)currentView{
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[currentView addSubview:self.maskImageView];
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}
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- (void)scanAnimation{
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if (upOrdown == NO) {
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numberCount ++;
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self.scanLine.frame = CGRectMake( kScanWindowLeft, kScanWindowTop + kScanWindowLineStep * numberCount, kScanWindowWidth, 2);
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self.scanLine.center = CGPointMake(self.view.center.x, (kScanWindowTop + kScanWindowLineStep * numberCount) * kScreenPointScale);
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if (kScanWindowLineStep * numberCount == self.kNumberCount) {
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upOrdown = YES;
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}
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}
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else {
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numberCount --;
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self.scanLine.frame = CGRectMake( kScanWindowLeft, kScanWindowTop + kScanWindowLineStep * numberCount, kScanWindowWidth, 2);
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self.scanLine.center = CGPointMake(self.view.center.x, (kScanWindowTop + kScanWindowLineStep * numberCount) * kScreenPointScale);
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if (numberCount == 0) {
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upOrdown = NO;
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}
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}
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}
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- (void)backAction:(id)sender
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{
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if ([timerHandle isValid]) {
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[timerHandle invalidate];
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}
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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- (void)setupCamera
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{
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[self.scanUtility resetCamera];
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[self.view.layer addSublayer:self.scanUtility.previewLayer];
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[self addCustomeViews:self.view];
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}
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- (void)dispatchQRByScanString:(NSString *)scanQRString{
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switch (self.scanType) {
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case YHScanType_Express:{
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[self scanExpress:scanQRString];
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return;
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}
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break;
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default:
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break;
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}
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}
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- (BOOL)scanExpress:(NSString *)expressString
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{
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if (IsStrEmpty(expressString)) {
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[self showAlertAndReinit:[NSString stringWithFormat:@"快递单号无法识别:%@",expressString]];
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return NO;
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}
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[timerHandle invalidate];
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[self dismissViewControllerAnimated:YES completion:^(void){
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if (self.resultCallBack) {
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self.resultCallBack(expressString);
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}
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}];
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return YES;
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}
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- (void)showAlertAndReinit:(NSString *)alertString{
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__weak typeof(self) weakSelf = self;
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UIAlertView *av = [[UIAlertView alloc] initWithTitle:@"二维码扫描"
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message:alertString
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cancelButtonTitle:@"确定"
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otherButtonTitle:nil
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completionBlock:^(NSInteger buttonIndex, UIAlertView *alertView){
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[weakSelf setupCamera];
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}];
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[av show];
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}
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#pragma mark - init
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- (UIImageView *)scanLine
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{
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if (IsNilOrNull(_scanLine)) {
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_scanLine = [[UIImageView alloc] initWithFrame:CGRectMake(kScanLineOriginX, kScanWindowTop, kScanLineWidth, kScanLineHeight)];
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_scanLine.center = CGPointMake(self.view.center.x, kScanWindowTop * kScreenPointScale);
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_scanLine.image = [UIImage imageNamed:@"cameraQRLine.png"];
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}
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return _scanLine;
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}
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- (UILabel *)introudction{
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if (IsNilOrNull(_introudction)) {
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_introudction = [[UILabel alloc] initWithFrame:CGRectMake(kIntroductionOriginX, kIntroductionOriginY, kIntroductionWidth, kIntroductionHeight)];
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_introudction.center = CGPointMake(self.view.center.x, kIntroductionOriginY * kScreenPointScale);
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_introudction.backgroundColor = [UIColor grayColor];
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_introudction.layer.cornerRadius = 10.0f;
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_introudction.clipsToBounds = YES;
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_introudction.numberOfLines = 1;
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_introudction.textColor = [UIColor blackColor];
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_introudction.font = [UIFont systemFontOfSize:14.0f];
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_introudction.textAlignment = NSTextAlignmentCenter;
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_introudction.text = @"尽量让二维码/条形码充满框内";
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}
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return _introudction;
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}
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- (UIView *)toolBarView{
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if (IsNilOrNull(_toolBarView)) {
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_toolBarView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, [[UIScreen mainScreen] bounds].size.height - ktoolBarViewHeight, self.view.frame.size.width, ktoolBarViewHeight)];
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UIButton *closeZBar = [UIButton buttonWithType:UIButtonTypeCustom];
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[closeZBar setImage:[UIImage imageNamed:@"favoites_barButtonItemiconCancel_normal"] forState:UIControlStateNormal];
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[closeZBar addTarget:self action:@selector(backAction:) forControlEvents:UIControlEventTouchUpInside];
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closeZBar.frame = CGRectMake(kCloseZBarOriginX, 0.0f, ktoolBarViewHeight, ktoolBarViewHeight);
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[_toolBarView addSubview:closeZBar];
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_toolBarView.backgroundColor = [UIColor blackColor];
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}
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return _toolBarView;
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}
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- (UIImageView *)maskImageView{
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if (IsNilOrNull(_maskImageView)) {
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_maskImageView = [[UIImageView alloc] initWithFrame:self.view.bounds];
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[_maskImageView setImage:[UIImage imageNamed:@"cameraQR5"]];
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}
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return _maskImageView;
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}
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@end |
...
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...
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