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460 lines
18 KiB
460 lines
18 KiB
// |
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// WebViewController.m |
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// tongxin |
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// |
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// Created by weichao on 2019/03/01. |
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// Copyright © 2019年 weichao. All rights reserved. |
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// |
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#import "ActivityWebViewController.h" |
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#import <MapKit/MapKit.h> |
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#import "Reachability.h" |
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@interface ActivityWebViewController()<WKUIDelegate,WKNavigationDelegate,WKScriptMessageHandler,CLLocationManagerDelegate> |
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{ |
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CGRect WebFrame; |
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BOOL _locationAuthorization; // 用户是否授权使用定位 |
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BOOL _isDidLoadWeb; |
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} |
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/** |
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隐藏导航栏时有的返回按钮 |
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*/ |
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@property (nonatomic, strong) UIButton *backBtn; |
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@property (nonatomic, strong) UIProgressView *progressView; |
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@property (strong,nonatomic) CLLocationManager* locationManager; |
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@property (nonatomic, strong) NSString *cityName; |
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@property (nonatomic, strong) UIView *tempView; |
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@end |
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@implementation ActivityWebViewController |
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- (WKWebView *)myWebView{ |
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if (!_myWebView) { |
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//创建 WKWebView 配置对象 |
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WKWebViewConfiguration *config = [WKWebViewConfiguration new]; |
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// config.userContentController = wkUController; |
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WKPreferences *preferences = [WKPreferences new]; |
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preferences.javaScriptCanOpenWindowsAutomatically = YES; |
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// preferences.minimumFontSize = 40.0; |
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config.preferences = preferences; |
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CGFloat tabBarHeight = self.tabBarController.tabBar.height; |
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CGRect tempViewFrame; |
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if(getRectNavAndStatusHight > 64){ |
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//X |
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if(self.isShowBack){ |
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WebFrame = CGRectMake(0, getRectNavAndStatusHight-44, ScreenWidth, ScreenHeight-tabBarHeight-getRectNavAndStatusHight+44 ); |
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tempViewFrame = CGRectMake(0, 0, ScreenWidth, getRectNavAndStatusHight-44); |
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}else{ |
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CGFloat WebNacv = 55; //网页的导航栏高度 |
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WebFrame = CGRectMake(0, getRectNavAndStatusHight-WebNacv, ScreenWidth, ScreenHeight-tabBarHeight-getRectNavAndStatusHight+WebNacv ); |
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tempViewFrame = CGRectMake(0, 0, ScreenWidth, getRectNavAndStatusHight-WebNacv); |
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} |
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}else{ |
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if(self.isShowBack){ |
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WebFrame = CGRectMake(0, 0, ScreenWidth, ScreenHeight-tabBarHeight); |
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tempViewFrame = CGRectMake(0, 0, ScreenWidth, 0); |
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}else{ |
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//不显示返回按钮的是首页 |
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WebFrame = CGRectMake(0, 20, ScreenWidth, ScreenHeight-tabBarHeight-20); |
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tempViewFrame = CGRectMake(0, 0, ScreenWidth, 20); |
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} |
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} |
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_tempView = [[UIView alloc] initWithFrame:tempViewFrame]; |
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_tempView.backgroundColor = mainColor; |
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[self.view addSubview:_tempView]; |
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_tempView.hidden = YES; |
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_myWebView = [[WKWebView alloc] initWithFrame:WebFrame configuration:config]; |
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if (@available(iOS 11.0, *)) { |
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_myWebView.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever; |
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} else { |
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self.edgesForExtendedLayout = UIRectEdgeNone; |
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} |
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[self.view addSubview:_myWebView]; |
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} |
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return _myWebView; |
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} |
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-(void)viewWillAppear:(BOOL)animated{ |
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[super viewWillAppear:animated]; |
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//隐藏导航栏 |
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// [[UIApplication sharedApplication] setStatusBarHidden:YES]; |
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[self.navigationController.navigationBar setHidden:YES]; |
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// addScriptMessageHandler 很容易导致循环引用 |
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// 控制器 强引用了WKWebView,WKWebView copy(强引用了）configuration， configuration copy （强引用了）userContentController |
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// userContentController 强引用了 self （控制器） |
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[self.myWebView.configuration.userContentController addScriptMessageHandler:self name:@"Location"]; |
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(loadURL) name:NoReachableRefreshNotification object:nil]; |
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if(![self.url containsString:ActivityURLStr]){ |
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xLog(@"不是首页:%@",self.url); |
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[self setHiddenTabBottomBar:YES]; |
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}else{ |
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xLog(@"是首页:%@",self.url); |
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[self setHiddenTabBottomBar:NO]; |
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} |
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} |
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-(void)viewWillDisappear:(BOOL)animated{ |
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[super viewWillDisappear:animated]; |
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// 因此这里要记得移除handlers |
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[self.myWebView.configuration.userContentController removeScriptMessageHandlerForName:@"Location"]; |
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} |
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-(void)viewDidDisappear:(BOOL)animated{ |
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self.tabBarController.tabBar.hidden = NO; |
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[[NSNotificationCenter defaultCenter] removeObserver:self name:NoReachableRefreshNotification object:nil]; |
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} |
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//-(BOOL)prefersStatusBarHidden{ |
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// if(self.isHiddenNavigationBar){ |
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// return YES; |
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// }else{ |
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// return NO; |
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// } |
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//} |
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- (void)viewDidLoad{ |
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self.view.backgroundColor = [UIColor whiteColor]; |
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self.isSetTranslucent = NO; |
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[super viewDidLoad]; |
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if(!self.url){ |
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self.url = ActivityURLStr; |
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[SVProgressHUD show]; |
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} |
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[self loadURL]; |
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WEAKSELF |
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self.myWebView.UIDelegate = self; |
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self.myWebView.navigationDelegate = self; |
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self.myWebView.scrollView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{ |
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[weakSelf loadURL]; |
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ |
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[weakSelf.myWebView.scrollView.mj_header endRefreshing]; |
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}); |
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}]; |
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if(self.isShowBack){ |
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UIButton *backBtn = [UIButton buttonWithType:UIButtonTypeSystem]; |
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backBtn.frame = CGRectMake(14, 40, 30, 30); |
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[backBtn setBackgroundImage:[UIImage imageNamed:@"icon_return_black"] forState:0]; |
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[backBtn addTarget:self action:@selector(goBack:) forControlEvents:UIControlEventTouchUpInside]; |
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[self.view addSubview:backBtn]; |
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} |
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[self initProgressView]; |
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[self initNotReachable]; |
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[self startLocation]; |
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// [self.myWebView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionNew context:nil]; |
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// if(self.isHiddenNavigationBar){ |
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// //创建返回按钮 |
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// _backBtn = [UIButton buttonWithType:UIButtonTypeSystem]; |
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// _backBtn.frame = CGRectMake(5, 26, 30, 30); |
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// [_backBtn setBackgroundImage:[UIImage imageNamed:@"icon_return_round"] forState:0]; |
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// [_backBtn addTarget:self action:@selector(goBack:) forControlEvents:UIControlEventTouchUpInside]; |
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// [self.view addSubview:_backBtn]; |
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// } |
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} |
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- (void)loadURL{ |
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[self.myWebView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:self.url]]]; |
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if(!self.cityName && _locationAuthorization){ |
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[self startLocation]; |
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} |
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} |
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- (void)initNotReachable{ |
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[self.view addSubview:self.noDataSourceImageView]; |
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[self.view addSubview:self.noReachableImageView]; |
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[self.view addSubview:self.noDataSourcelabel]; |
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[self.noDataSourceImageView mas_makeConstraints:^(MASConstraintMaker *make) { |
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make.center.equalTo(self.myWebView); |
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}]; |
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[self.noReachableImageView mas_makeConstraints:^(MASConstraintMaker *make) { |
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make.center.equalTo(self.myWebView); |
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}]; |
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} |
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- (void)initProgressView |
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{ |
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CGFloat kScreenWidth = [[UIScreen mainScreen] bounds].size.width; |
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UIProgressView *progressView = [[UIProgressView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, 2)]; |
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progressView.tintColor = [UIColor redColor]; |
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progressView.trackTintColor = [UIColor lightGrayColor]; |
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[self.view addSubview:progressView]; |
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self.progressView = progressView; |
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} |
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//开始定位 |
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-(void)startLocation{ |
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if(!self.locationManager){ |
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self.locationManager = [[CLLocationManager alloc] init]; |
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self.locationManager.delegate = self; |
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self.locationManager.desiredAccuracy = kCLLocationAccuracyKilometer; |
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// 位置变更距离 |
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self.locationManager.distanceFilter = 1000.0f; |
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if ([CurrentSystemVersion doubleValue] > 8.0){ |
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if([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined){ |
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[self.locationManager requestWhenInUseAuthorization]; |
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} |
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} |
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// if ([CurrentSystemVersion doubleValue] >= 8.0) { |
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// _locationManager.allowsBackgroundLocationUpdates =YES; |
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// } |
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// [self locationManager:self.locationManager didChangeAuthorizationStatus:[CLLocationManager authorizationStatus]]; |
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} |
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[self.locationManager startUpdatingLocation]; |
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} |
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//MARK: 协议 CLLocationManagerDelegate |
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/** |
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权限改变 |
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*/ |
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-(void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status{ |
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switch (status) { |
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case kCLAuthorizationStatusNotDetermined: |
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if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]){ |
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[self.locationManager requestWhenInUseAuthorization]; |
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} |
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break; |
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case kCLAuthorizationStatusDenied: |
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xLog(@"用户拒绝获取定位位置"); |
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_locationAuthorization = NO; |
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break; |
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case kCLAuthorizationStatusAuthorizedAlways: |
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case kCLAuthorizationStatusAuthorizedWhenInUse: |
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xLog(@"用户同意获取定位位置"); |
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if(!self.cityName){ |
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[self.locationManager startUpdatingLocation]; |
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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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位置更新 |
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*/ |
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-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{ |
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//此处locations存储了持续更新的位置坐标值，取最后一个值为最新位置，如果不想让其持续更新位置，则在此方法中获取到一个值之后让locationManager stopUpdatingLocation |
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CLLocation *currentLocation = [locations lastObject]; |
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// 获取当前所在的城市名 |
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CLGeocoder *geocoder = [[CLGeocoder alloc] init]; |
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//根据经纬度反向地理编译出地址信息 |
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WEAKSELF |
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[geocoder reverseGeocodeLocation:currentLocation completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) { |
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if (placemarks.count > 0){ |
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CLPlacemark *placemark = [placemarks objectAtIndex:0]; |
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//将获得的所有信息显示到label上 |
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NSLog(@"%@",placemark.name); |
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//获取城市 |
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NSString *city = placemark.locality; |
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self.cityName = city; |
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if (!city) { |
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//四大直辖市的城市信息无法通过locality获得，只能通过获取省份的方法来获得（如果city为空，则可知为直辖市） |
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city = placemark.administrativeArea; |
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weakSelf.cityName = city; |
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//如果这个时候网页已经加载完成了,那就 重新加载一次 |
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if(_isDidLoadWeb){ |
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[weakSelf loadURL]; |
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} |
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}else if (error == nil && [placemarks count] == 0){ |
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NSLog(@"No results were returned."); |
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}else if (error != nil){ |
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NSLog(@"An error occurred = %@", error); |
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} |
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} |
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}]; |
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//系统会一直更新数据，直到选择停止更新，因为我们只需要获得一次经纬度即可，所以获取之后就停止更新 |
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[manager stopUpdatingLocation]; |
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} |
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- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error { |
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if (error.code == kCLErrorDenied) { |
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// 提示用户出错原因，可按住Option键点击 KCLErrorDenied的查看更多出错信息，可打印error.code值查找原因所在 |
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} |
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} |
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- (void)dealloc |
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{ |
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NSLog(@"%s",__FUNCTION__); |
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self.myWebView.UIDelegate = nil; |
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self.myWebView.navigationDelegate = nil; |
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[[NSNotificationCenter defaultCenter] removeObserver:self name:NoReachableRefreshNotification object:nil]; |
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// [self.myWebView removeObserver:self forKeyPath:@"estimatedProgress"]; |
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} |
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#pragma mark - private method |
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- (void)getLocation |
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{ |
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if(!_locationAuthorization){ |
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return; |
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} |
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// 获取位置信息 |
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if(self.cityName){ |
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// MARK: 原生 调用 JS |
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NSString *city = [self.cityName stringByReplacingOccurrencesOfString:@"市" withString:@""]; |
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NSString *jsStr = [NSString stringWithFormat:@"setLocation('%@')",city]; |
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[self.myWebView evaluateJavaScript:jsStr completionHandler:^(id _Nullable result, NSError * _Nullable error) { |
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NSLog(@"%@----%@",result, error); |
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}]; |
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}else{ |
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//如果定位还未成功那就2秒之后再调用一次 |
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ |
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[self getLocation]; |
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}); |
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} |
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} |
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#pragma mark - KVO |
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// 计算wkWebView进度条 |
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- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { |
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if (object == self.myWebView && [keyPath isEqualToString:@"estimatedProgress"]) { |
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CGFloat newprogress = [[change objectForKey:NSKeyValueChangeNewKey] doubleValue]; |
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if (newprogress == 1) { |
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[self.progressView setProgress:1.0 animated:YES]; |
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.7 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ |
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self.progressView.hidden = YES; |
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[self.progressView setProgress:0 animated:NO]; |
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}); |
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}else { |
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self.progressView.hidden = NO; |
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[self.progressView setProgress:newprogress animated:YES]; |
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} |
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} |
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} |
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#pragma mark - WKUIDelegate |
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- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler |
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{ |
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UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提醒" message:message preferredStyle:UIAlertControllerStyleAlert]; |
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[alert addAction:[UIAlertAction actionWithTitle:@"知道了" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) { |
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completionHandler(); |
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}]]; |
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[self presentViewController:alert animated:YES completion:nil]; |
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} |
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//MARK: 协议 WKNavigationDelegate |
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/** |
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MARK: 页面加载完成之后调用 |
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*/ |
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-(void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{ |
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_isDidLoadWeb = YES; |
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Reachability *reach = [Reachability reachabilityForInternetConnection]; |
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[SVProgressHUD dismiss]; |
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if([reach currentReachabilityStatus] == NotReachable){ |
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xLog(@"无网络"); |
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_tempView.hidden = YES; |
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self.myWebView.hidden = YES; |
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[self showNoReachableView]; |
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[SVProgressHUD showErrorWithStatus:NSLocalizedStringFromTable(@"请检查您的网络设置", @"Localization", @"")]; |
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[SVProgressHUD dismissWithDelay:1]; |
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}else{ |
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xLog(@"有网络"); |
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[self hiddenNoReachableView]; |
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_tempView.hidden = NO; |
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self.myWebView.hidden = NO; |
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} |
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} |
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- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler{ |
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//如果是跳转一个新页面 |
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if (navigationAction.targetFrame == nil) { |
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WEAKSELF |
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{ |
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ActivityWebViewController* vc = [ActivityWebViewController new]; |
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vc.url = navigationAction.request.URL.absoluteString; |
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vc.isShowBack = YES; |
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vc.hidesBottomBarWhenPushed = YES; |
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[weakSelf.navigationController pushViewController:vc animated:YES]; |
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}); |
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decisionHandler(WKNavigationActionPolicyCancel); |
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return; |
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} |
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self.url = navigationAction.request.URL.absoluteString; |
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if(![self.url containsString:ActivityURLStr]){ |
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xLog(@"不是首页:%@",self.url); |
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[self setHiddenTabBottomBar:YES]; |
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}else{ |
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xLog(@"是首页:%@",self.url); |
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[self setHiddenTabBottomBar:NO]; |
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} |
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decisionHandler(WKNavigationActionPolicyAllow); |
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} |
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- (void)webView:(WKWebView *)webView didFailNavigation:(WKNavigation *)navigation withError:(NSError *)error{ |
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xLog(@"didFailNavigation error:%@",error.description); |
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} |
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- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(WKNavigation *)navigation withError:(NSError *)error{ |
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xLog(@"didFailProvisionalNavigation error:%@",error.description); |
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[self webView:webView didFinishNavigation:navigation]; |
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} |
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/** |
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隐藏或者显示 TabBottomBar |
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*/ |
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-(void)setHiddenTabBottomBar:(BOOL)hidden{ |
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self.tabBarController.tabBar.hidden = hidden; |
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if(hidden){ |
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//隐藏 |
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self.myWebView.height = WebFrame.size.height+self.tabBarController.tabBar.height; |
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}else{ |
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//显示 |
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self.myWebView.frame = WebFrame; |
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} |
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} |
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- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView { |
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scrollView.decelerationRate = UIScrollViewDecelerationRateNormal; |
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} |
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#pragma mark - WKScriptMessageHandler JS调用 原生会调用这里 |
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- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message |
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{ |
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// message.body -- Allowed types are NSNumber, NSString, NSDate, NSArray,NSDictionary, and NSNull. |
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NSLog(@"body:%@",message.body); |
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if ([message.name isEqualToString:@"Location"]) { |
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[self getLocation]; |
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} |
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// else if ([message.name isEqualToString:@"Share"]) { |
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// [self shareWithParams:message.body]; |
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// } else if ([message.name isEqualToString:@"Color"]) { |
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// [self changeBGColor:message.body]; |
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// } else if ([message.name isEqualToString:@"Pay"]) { |
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// [self payWithParams:message.body]; |
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// } else if ([message.name isEqualToString:@"Shake"]) { |
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// [self shakeAction]; |
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// } else if ([message.name isEqualToString:@"GoBack"]) { |
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// [self goBack]; |
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// } else if ([message.name isEqualToString:@"PlaySound"]) { |
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// [self playSound:message.body]; |
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// } |
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} |
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@end
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