//
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// EZAddByQRCodeViewController.m
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// EZOpenSDKDemo
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//
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// Created by DeJohn Dong on 15/10/28.
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// Copyright © 2015年 Ezviz. All rights reserved.
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//
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#import <AVFoundation/AVFoundation.h>
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#import "EZAddByQRCodeViewController.h"
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#import "EZQRView.h"
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#import "DDKit.h"
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@interface EZAddByQRCodeViewController ()<AVCaptureMetadataOutputObjectsDelegate>{
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AVAuthorizationStatus authStatus;
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}
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@property (strong, nonatomic) AVCaptureDevice *device;
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@property (strong, nonatomic) AVCaptureDeviceInput *input;
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@property (strong, nonatomic) AVCaptureMetadataOutput *output;
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@property (strong, nonatomic) AVCaptureSession *session;
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@property (strong, nonatomic) AVCaptureVideoPreviewLayer *preview;
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@property (nonatomic, weak) IBOutlet UIImageView *lineImageView;
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@property (nonatomic, weak) IBOutlet EZQRView *qrView;
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@property (nonatomic, weak) IBOutlet UIButton *torchButton;
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@property (nonatomic, weak) IBOutlet UILabel *tipsLabel;
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@property (nonatomic, weak) IBOutlet UIActivityIndicatorView *activityView;
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@end
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@implementation EZAddByQRCodeViewController
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- (void)dealloc
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{
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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// Do any additional setup after loading the view.
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self.title = NSLocalizedString(@"ad_scan_qr_title", @"扫描二维码");
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authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
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if (authStatus == AVAuthorizationStatusAuthorized)
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{
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[self qrSetup];
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}
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else if (authStatus == AVAuthorizationStatusNotDetermined)
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{
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[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo
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completionHandler:^(BOOL granted) {
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if (granted)
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{
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[self qrSetup];
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[_session startRunning];
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}
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}];
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}
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else
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{
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UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"alert_title", @"提示")
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message:NSLocalizedString(@"ad_allow_camera",@"请在设备的`设置-隐私-相机`中允许访问相机。")
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delegate:self
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cancelButtonTitle:NSLocalizedString(@"done",@"确定")
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otherButtonTitles:nil];
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[alert show];
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}
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self.qrView.hidden = YES;
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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[[GlobalKit shareKit] clearDeviceInfo];
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if (authStatus == AVAuthorizationStatusDenied ||
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authStatus == AVAuthorizationStatusRestricted)
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{
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self.view.backgroundColor = [UIColor whiteColor];
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self.activityView.hidden = YES;
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return;
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}
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[self.activityView startAnimating];
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}
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- (void)viewDidAppear:(BOOL)animated {
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[super viewDidAppear:animated];
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if (authStatus == AVAuthorizationStatusDenied ||
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authStatus == AVAuthorizationStatusRestricted) {
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return;
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}
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[_session startRunning];
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_preview.frame = CGRectMake(0, 64, self.qrView.bounds.size.width, self.qrView.bounds.size.height);
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//修正扫描区域
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CGFloat screenHeight = self.qrView.frame.size.height;
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CGFloat screenWidth = self.qrView.frame.size.width;
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CGRect cropRect = CGRectMake((screenWidth - 240.0)/2, (screenHeight - 240.0)/3, 240.0, 240.0);
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[_output setRectOfInterest:CGRectMake(cropRect.origin.y/screenHeight, cropRect.origin.x/screenWidth, cropRect.size.height/screenHeight, cropRect.size.width/screenWidth)];
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[self addLineAnimation];
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[self.activityView stopAnimating];
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self.activityView.hidden = YES;
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self.qrView.hidden = NO;
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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// Dispose of any resources that can be recreated.
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}
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/*
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#pragma mark - Navigation
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// In a storyboard-based application, you will often want to do a little preparation before navigation
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- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
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// Get the new view controller using [segue destinationViewController].
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// Pass the selected object to the new view controller.
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}
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*/
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#pragma mark - AVCaptureMetadataOutputObjectsDelegate Methods
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- (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputMetadataObjects:(NSArray *)metadataObjects fromConnection:(AVCaptureConnection *)connection
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{
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NSString *stringValue;
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if ([metadataObjects count] > 0)
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{
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//停止扫描
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[_session stopRunning];
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AVMetadataMachineReadableCodeObject * metadataObject = [metadataObjects objectAtIndex:0];
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stringValue = metadataObject.stringValue;
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}
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[self checkQRCode:stringValue];
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}
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#pragma mark - Custom Methods
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- (void)qrSetup
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{
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if(!_device)
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_device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
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// Input
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if(!_input)
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_input = [AVCaptureDeviceInput deviceInputWithDevice:self.device error:nil];
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// Output
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if(!_output)
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_output = [[AVCaptureMetadataOutput alloc] init];
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[_output setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()];
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// Session
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if(!_session)
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_session = [[AVCaptureSession alloc] init];
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[_session setSessionPreset:AVCaptureSessionPresetHigh];
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if ([_session canAddInput:self.input])
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{
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[_session addInput:self.input];
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}
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if ([_session canAddOutput:self.output])
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{
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[_session addOutput:self.output];
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}
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AVCaptureConnection *outputConnection = [_output connectionWithMediaType:AVMediaTypeVideo];
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outputConnection.videoOrientation = AVCaptureVideoOrientationPortrait;
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// 条码类型 AVMetadataObjectTypeQRCode
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_output.metadataObjectTypes = @[AVMetadataObjectTypeQRCode];
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// Preview
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if(!_preview)
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_preview = [AVCaptureVideoPreviewLayer layerWithSession:_session];
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_preview.videoGravity = AVLayerVideoGravityResize;
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_preview.frame = self.view.bounds;
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[self.view.layer insertSublayer:_preview atIndex:0];
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_preview.connection.videoOrientation = AVCaptureVideoOrientationPortrait;
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}
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- (void)addLineAnimation
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{
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CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.translation.y"];
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CGFloat height = [UIScreen mainScreen].bounds.size.height - 64.0;
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animation.fromValue = @(height/3.0 - 240);
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animation.toValue = @(height/3.0 - 80);
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animation.duration = 3.0f;
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animation.repeatCount = HUGE_VALF;
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animation.removedOnCompletion = NO;
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animation.fillMode = kCAFillModeForwards;
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[_lineImageView.layer addAnimation:animation forKey:nil];
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}
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- (IBAction)torchButtonClicked:(id)sender
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{
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AVCaptureDevice *captureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
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if ([captureDevice hasTorch]) {
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int nTorchMode = captureDevice.torchMode;
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nTorchMode ++;
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nTorchMode = nTorchMode > 1 ? 0 : nTorchMode;
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[captureDevice lockForConfiguration:nil];
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captureDevice.torchMode = nTorchMode;
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[captureDevice unlockForConfiguration];
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switch (nTorchMode)
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{
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case 0:
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{
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_torchButton.selected = NO;
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}
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break;
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case 1:
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{
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_torchButton.selected = YES;
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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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}
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- (IBAction)nextAction:(id)sender
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{
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[self performSegueWithIdentifier:@"go2InputSerial" sender:nil];
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}
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- (void)checkQRCode:(NSString *)strQRcode
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{
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NSArray *arrString = [strQRcode componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]];
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if(arrString.count >=3)
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{
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[GlobalKit shareKit].deviceSerialNo = arrString[1];
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[GlobalKit shareKit].deviceVerifyCode = arrString[2];
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[GlobalKit shareKit].deviceModel = arrString[3];
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[self performSegueWithIdentifier:@"go2Result" sender:self];
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} else {
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[UIView dd_showMessage:NSLocalizedString(@"ad_not_support_scan", @"不支持的二维码类型，转用手动输入")];
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[self nextAction:nil];
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}
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}
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@end
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