- (IBAction)clickedBtn:(UIButton *)sender {NSURL * appBUrl = [NSURL URLWithString:@"AppB://"];if ([[UIApplication sharedApplication] canOpenURL:appBUrl]) {[[UIApplication sharedApplication] openURL:appBUrl options:@{} completionHandler:^(BOOL success) {}];}else{NSLog(@"没有安装");}
}

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {// 1.获取导航栏控制器UINavigationController * rootNav = (UINavigationController *)self.window.rootViewController;// 2.获得主控制器ViewController * mainVc = [rootNav.childViewControllers firstObject];// 3.每次跳转前必须是在跟控制器(细节)
    [rootNav popToRootViewControllerAnimated:NO];// 4.根据字符串关键字来跳转到不同页面if ([url.absoluteString containsString:@"Page1"]) { // 跳转到应用App-B的Page1页面// 根据segue标示进行跳转[mainVc performSegueWithIdentifier:@"homeToPage1" sender:nil];} else if ([url.absoluteString containsString:@"Page2"]) { // 跳转到应用App-B的Page2页面// 根据segue标示进行跳转[mainVc performSegueWithIdentifier:@"homeToPage2" sender:nil];}return YES;
}

- (IBAction)clickedPage1:(UIButton *)sender {NSURL * appBUrl = [NSURL URLWithString:@"AppB://Page1"];if ([[UIApplication sharedApplication] canOpenURL:appBUrl]) {[[UIApplication sharedApplication] openURL:appBUrl];} else {NSLog(@"没有安装");}
}- (IBAction)clickedPage2:(UIButton *)sender {NSURL * appBUrl = [NSURL URLWithString:@"AppB://Page2"];if ([[UIApplication sharedApplication] canOpenURL:appBUrl]) {[[UIApplication sharedApplication] openURL:appBUrl];} else {NSLog(@"没有安装");}
}

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{if ([segue.identifier isEqualToString:@"homeToPage1"]) {// 获得将要跳转的界面Page1的控制器Page1ViewController *Page1Vc = segue.destinationViewController;// 保存完整的App-A的URL给跳转界面Page1Page1Vc.urlString = self.urlString;} else if ([segue.identifier isEqualToString:@"homeToPage2"]) {// 获得将要跳转的界面Page2的控制器Page2ViewController *Page2Vc = segue.destinationViewController;// 保存完整的App-A的URL给跳转界面Page1Page2Vc.urlString = self.urlString;}
}

- Page1ViewController.m
- (IBAction)page1BackToAppA:(id)sender {// 1.拿到对应应用程序的URL SchemeNSString *urlSchemeString = [[self.urlString componentsSeparatedByString:@"?"] lastObject];NSString *urlString = [urlSchemeString stringByAppendingString:@"://"];// 2.获取对应应用程序的URLNSURL *url = [NSURL URLWithString:urlString];// 3.判断是否可以打开if ([[UIApplication sharedApplication] canOpenURL:url]) {[[UIApplication sharedApplication] openURL:url];}
}

- Page2ViewController.m
- (IBAction)page2BackToAppA:(id)sender {// 1.拿到对应应用程序的URL SchemeNSString *urlSchemeString = [[self.urlString componentsSeparatedByString:@"?"] lastObject];NSString *urlString = [urlSchemeString stringByAppendingString:@"://"];// 2.获取对应应用程序的URLNSURL *url = [NSURL URLWithString:urlString];// 3.判断是否可以打开if ([[UIApplication sharedApplication] canOpenURL:url]) {[[UIApplication sharedApplication] openURL:url];}
}