在recive推送通知时打开特定的ViewController？

Question

我会通过打开parse发送的推送通知来设置我们特定视图的开放。使用IOS 8。 我怎样才能做到这一点？？ 我用了这段代码：

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo {
UINavigationController *navController = (UINavigationController *)self.window.rootViewController;
NotificationViewController *notificationViewController = [[NotificationViewController alloc] init];
[navController.visibleViewController.navigationController pushViewController:notificationViewController animated:YES];    

}

Answer 1

我使用此代码

- (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;
    }
}

这样叫：

- (void) doSomething {
    UIViewController *topViewController = [self topViewController];
    NotificationViewController *notificationViewController = [[NotificationViewController alloc] init];
    [topViewController.navigationController pushViewController:notificationViewController animated:YES];
}

不要忘记将此代码放在您的应用程序上：didFinishLaunchingWithOptions :(当用户触摸关闭应用程序的通知时）

    NSDictionary *remoteNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsRemoteNotificationKey];
if (!remoteNotification) {
    UILocalNotification *notification = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey];
    if (notification) {
        [self doSomething];
    }
} else {
    [self doSomething];
}