[英]Redirect a View with Push Notification in AppDelegate
我的目標是編寫一個代碼,當用戶獲得推送通知時,我希望將該用戶重定向到另一個視圖。 如果用戶帶有推送通知,並且他是第一次查看控制器(歡迎主屏幕等(但未登錄))
var rootViewController = self.window!.rootViewController as! ViewController
rootViewController.performSegueWithIdentifier("hospitalSegue", sender: self)
這幾行代碼正在工作,但是,如果用戶已經在另一個視圖控制器(登錄/登錄/用戶頁面等),這段代碼不起作用和重定向。 我嘗試了一切,但仍然無法提出解決方案。 我的最終目標是:
if let rootViewController = self.window!.rootViewController as? ViewController
{
var rootView: UserViewController = UserViewController()
if let window = self.window{
window.rootViewController = rootView
}
rootViewController.performSegueWithIdentifier("hospitalSegue", sender: self)
println(self.window?.rootViewController)
}
誰能給我一個想法?
答案代碼是Objective-C,我想談談邏輯。 要執行此操作,在創建推送通知時,必須設置userInfo值以使用推送通知傳遞數據。
使用此委托方法: application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
您可以通過處理userInfo來決定要顯示哪個視圖
NSDictionary *segueDictionary = [userInfo valueForKey:@"aps"];
NSString *segueName=[[NSString alloc]initWithFormat:@"%@",[segueDictionary valueForKey:@"segueName"]];
if([segueName isEqualToString:@"hospitalSegue"])
{
// implement your code to redirect
}
答案代碼是Objective-C,你可以使用下面的方法從app delegate prentviewcontroller我使用下面的代碼解決了這個問題:
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo
{
[[self topViewController]presentViewController:nav animated:YES completion:nil];
}
- (UIViewController*)topViewController {
return [self topViewControllerWithRootViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}
- (UIViewController*)topViewControllerWithRootViewController:(UIViewController*)rootViewController {
if ([rootViewController isKindOfClass:[UITabBarController class]]) {
UITabBarController* tabBarController = (UITabBarController*)rootViewController;
return [self topViewControllerWithRootViewController:tabBarController.selectedViewController];
} else if ([rootViewController isKindOfClass:[UINavigationController class]]) {
UINavigationController* navigationController = (UINavigationController*)rootViewController;
return [self topViewControllerWithRootViewController:navigationController.visibleViewController];
} else if (rootViewController.presentedViewController) {
UIViewController* presentedViewController = rootViewController.presentedViewController;
return [self topViewControllerWithRootViewController:presentedViewController];
} else {
return rootViewController;
}
}
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