ios 应用未运行时推送通知点击处理程序运行

Question

我有以下代码运行处理推送通知 -

我收到通知 -> 点击它 -> 然后执行 jsCallBack -> 将自定义数据作为参数传递给 JS 函数。

但这仅在应用运行在后台或前台时有效。

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo {
    //Handle notification when the user click it while app is running in background or foreground.
    [[Pushbots sharedInstance] receivedPush:userInfo];
    //Get Custom field data
    NSString* Value1 = [userInfo objectForKey:@"customval1"];
    NSString* Value2 = [userInfo objectForKey:@"customval1"];
    NSLog(@"%@", Value1);
    NSLog(@"%@", Value2);

    NSString * jsCallBack = [NSString stringWithFormat:@"testfromdelegate('%@','%@')", Value1, Value2];
    NSLog(@"%@", jsCallBack);
    [self.viewController.webView stringByEvaluatingJavaScriptFromString:jsCallBack];
}

我阅读了 SO 和其他一些博客中的帖子，认为 didFinishLaunchingWithOptions 可以帮助我在应用程序根本不运行时处理通知。 This link has info 但我不确定我的方案的实施情况。

有人可以帮助我了解如何在我的情况下使用 didFinishLaunchingWithOptions 吗？我只需要获取自定义数据字段，即使应用程序不是运行.

也将它们传递给我的 JSCallBack

我的 delegate.m 中是否应该同时包含 didReceiveRemoteNotification 和 didFinishLaunchingWithOptions？此外，当我在 delegate.m 中也使用 didFinishLaunchingWithOptions 时，我应该在 delegate.h 中进行哪些更改？

更新 1： 我了解到，当应用程序终止时，无法访问有效负载。而且，当应用程序处于前台或后台时，didReceiveRemoteNotification 在有推送通知时起作用。但是，当我收到通知并在应用程序处于后台时点击它时，我无法调用我的 JS 回调函数。我需要一些帮助来解决这个问题。

Answer 1

首先，我认为您无法访问应用未运行时出现的所有通知。您只能访问您单击以激活该应用程序的通知。我觉得这个帖子解释得很好

didReceiveRemoteNotification when in background

对于您的场景，我认为您需要以某种方式将计数器保留在服务器端，当应用程序处于活动状态时，然后交换它并检索应用程序遗漏的计数器。

现在，为了让代码在应用程序启动时处理您的情况，您可以在 didFinishLaunchingWithOptions 中执行此操作，我认为您需要保留现有函数 didReceiveRemoteNotification，因为它们将在当应用运行在后台（未终止）

时收到通知

- (BOOL)application:(UIApplication *)app didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    UILocalNotification *localNotif = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey];
    if (localNotif) 
    {
        NSDictionary *userInfo;
        NSString* Value1 = [userInfo objectForKey:@"customval1"];
        NSString* Value2 = [userInfo objectForKey:@"customval1"];
        NSLog(@"%@", Value1);
        NSLog(@"%@", Value2);
        NSString * jsCallBack = [NSString stringWithFormat:@"testfromdelegate('%@','%@')", Value1, Value2];
        NSLog(@"%@", jsCallBack);
        [self.viewController.webView stringByEvaluatingJavaScriptFromString:jsCallBack];
        NSString *itemName = [localNotif.userInfo objectForKey:ToDoItemKey];
        [viewController displayItem:itemName];  // custom method
        NSString * jsCallBack = [NSString stringWithFormat:@"testfromdelegate('%@','%@')", Value1, Value2];
        NSLog(@"%@", jsCallBack);
        [self.viewController.webView stringByEvaluatingJavaScriptFromString:jsCallBack];    
    }
   return YES;
}

Answer 2

您需要在 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions

中执行以下代码

NSDictionary *userInfo = launchOptions[UIApplicationLaunchOptionsRemoteNotificationKey];
if (userInfo) {
    [self application:application didReceiveRemoteNotification:userInfo];
}

Answer 3

这对我有用，正如我的问题+更新-

中所要求的

如果应用程序在前台或后台 -

//app is in background/foreground
- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo {

    [[Pushbots sharedInstance] receivedPush:userInfo]; //Using Pushbots notification platform - a 3rd party push platform

    NSString* Value1 = [userInfo objectForKey:@"val1"];
            NSString* Value2 = [userInfo objectForKey:@"val2"];
            NSString * jsCallBack = [NSString stringWithFormat:@"testfromdelegate('%@','%@')", Value1, Value2];            

    // If the app is in the foreground just execute the javascript        
    if ( application.applicationState == UIApplicationStateActive ) {
        [self.viewController.webView stringByEvaluatingJavaScriptFromString: jsCallBack];
    } else {
    // If the app is in background, then force to execute the js code on the main thread
        [self.viewController.webView performSelectorOnMainThread:@selector(stringByEvaluatingJavaScriptFromString:) withObject:jsCallBack waitUntilDone:NO]
    }
}

如果应用处于关闭状态，在 didFinishLaunchingWithOptions

中添加

//Don't remove the existing code, just paste this before the return YES
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(cordovaDidLoad) name:CDVPageDidLoadNotification object:self.viewController.webView];

    if (launchOptions) { //check if launchOptions is not nil
        NSDictionary *userInfo = [launchOptions valueForKey:UIApplicationLaunchOptionsRemoteNotificationKey];
        self.myUserInfo = userInfo;
    }

并添加这个，它将在加载 Cordova 后调用 -

- (void)cordovaDidLoad {
    //Check that myUserInfo isn't null, that will mean that the app was completely closed and it was opened from the push notification

    if (self.myUserInfo) {
        NSString* Value1 = [self.myUserInfo objectForKey:@"val1"];
        NSString* Value2 = [self.myUserInfo objectForKey:@"val2"];
        NSString * jsCallBack = [NSString stringWithFormat:@"testfromdelegate('%@','%@')", Value1, Value2];
        NSLog(@"%@", jsCallBack);
        [self.viewController.webView stringByEvaluatingJavaScriptFromString: jsCallBack];
    }
}

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