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POpass parameters from push notification to viewDidLoad
 

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  1. POpass parameters from push notification to viewDidLoad
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    <p>I have an ios app which loads a webpage to show data. I use push notifications for receiving news and I want that depending of which push is received, goes to one page or other (sections inside the same page).</p> <p>In the text received in push notification, I add a word before the text, something like:</p> <pre><code>page1 - text page2 - text2 page3 - text3 ... </code></pre> <p>In android I take the first word and add to the webpage url: www.page.com/ + pageAdded</p> <p>In iOs I think I haveto add this code to didFinishLaunchWithOptions function. But I don't know where I should add the new code for passing the arguments. I add my function so you can tell me where to put it.</p> <pre><code>- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { KeychainItemWrapper *keychainItem = [[KeychainItemWrapper alloc] initWithIdentifier:@"CityInfoPush" accessGroup:nil]; udid = [keychainItem objectForKey:(__bridge id)kSecValueData]; //if udid is empty , that means we need to generate one and save it on KeyChain if([udid length] == 0){ NSLog(@"No CFUUID found. Creating one..."); //creating CFUUID CFUUIDRef cfuuid = CFUUIDCreate(kCFAllocatorDefault); NSString *cfuuidString = (NSString*)CFBridgingRelease(CFUUIDCreateString(kCFAllocatorDefault, cfuuid)); NSLog(@"Device CFUUID created is : %@" , cfuuidString); //saving CFUUID on KeyChain [keychainItem setObject: cfuuidString forKey:(__bridge id)kSecValueData]; //retrieving CFUUID from KeyChain and passing it to udid String. udid = [keychainItem objectForKey:(__bridge id)kSecValueData]; } //For reseting the keyChain (testing) //[keychainItem resetKeychainItem]; NSLog(@"Password Saved in KeyChain is: %@" , udid); self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) { self.viewController = [[ViewController alloc] initWithNibName:@"ViewController_iPhone" bundle:nil]; } else { self.viewController = [[ViewController alloc] initWithNibName:@"ViewController_iPad" bundle:nil]; } self.window.rootViewController = self.viewController; [self.window makeKeyAndVisible]; // Let the device know we want to receive push notifications [[UIApplication sharedApplication] registerForRemoteNotificationTypes: (UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert)]; return YES; } </code></pre> <p>I add the message to the payload for sending it to the apple server like this: </p> <pre><code>// Create the payload body $body['aps'] = array( 'alert' =&gt; $message, 'sound' =&gt; 'default' ); // Encode the payload as JSON $payload = json_encode($body); </code></pre> <p>I am trying to get the alert text (message) in ios like this, but always fails and crash the app:</p> <pre><code>NSString *text=[[lastNotif valueForKeyPath:@"aps"][0] objectForKey:@"alert"]; </code></pre>
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    2. COWhat do you need to know? My question is how to pass data to view controller when I receive a push. Also I need to know where I have to read the text received in the push notification
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    3. COalready `didRecieveRemoteNotification` is in appDel. You can access them throughout project by creating appDel reference as `AppDelegate *ap=[[UIApplication sharedApplication]delegate];`
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