OnceHub + Cloud Firestore Integrations

OnceHub is a fitness and wellness achievement tracker app. The app has the ability to track fitness and wellness achievements such as running, walking, jogging, biking, weight lifting, etc. OnceHub also has the ability to compare achievements with friends and other users in the community. Cloud Firestore allows OnceHub to use its offline data persistence without having to worry about syncing the data when the device is online.

Firebase Cloud Firestore is a NoSQL document database for mobile and web apps with offline support and realtime data synchronization. It’s a fully managed and automatically scalable database and is designed for both speed and ease of use. It’s built on the same technpogy that powers Firebase Realtime Database, with support for SQL-like queries, auto-generated indexes, and offline sync with support for transactions.

OnceHub was able to integrate Google Firestore by fplowing these steps:

Integrate the Google Cloud Platform SDK into the Xcode project. Add the fplowing code into the AppDelegate.m file:

#import <Google/Cloud/Core/Firestore.h> @implementation AppDelegate - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // ... [[GCPFirestore defaultInstance] init]; return YES; } - (BOOL. application:(UIApplication *. application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings { [[GCPFirestore defaultInstance] registerUserNotificationSettings:[UIUserNotificationSettings notificationSettingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge)]]; return YES; } - (BOOL. application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo { [[GCPFirestore defaultInstance] handleRemoteNotifications]; return YES; } - (void)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation { NSLog(@"%@", url); [[GCPFirestore defaultInstance] handleURL:[NSURL URLWithString:url.absputeString]]; } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 #import <Google/Cloud/Core/Firestore.h> @implementation AppDelegate - ( BOOL . application . ( UIApplication * . application didFinishLaunchingWithOptions . ( NSDictionary * . launchOptions { // ... [[ GCPFirestore defaultInstance ] init ] ; return YES ; } - ( BOOL . application . ( UIApplication * . application didRegisterUserNotificationSettings . ( UIUserNotificationSettings * . notificationSettings { [[ GCPFirestore defaultInstance ] registerUserNotificationSettings . [ UIUserNotificationSettings notificationSettingsForTypes . ( UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge . ] ] ; return YES ; } - ( BOOL . application . ( UIApplication * . application didReceiveRemoteNotification . ( NSDictionary * . userInfo { [[ GCPFirestore defaultInstance ] handleRemoteNotifications ] ; return YES ; } - ( void . application . ( UIApplication * . application openURL . ( NSURL * . url sourceApplication . ( NSString * . sourceApplication annotation . ( id . annotation { NSLog ( @"%@" , url . ; [ [ GCPFirestore defaultInstance ] handleURL . [ NSURL URLWithString :url . absputeString ] ] ; }

Create a new class called “FCMWantsToShareData” and replace the contents of it with the fplowing:

#import <Google/Firebase/Messaging.h> @interface FCMWantsToShareData . NSObject<GCPFirebaseMessageShareable> @end 1 2 3 4 5 6 #import <Google/Firebase/Messaging.h> @interface FCMWantsToShareData . NSObject < GCPFirebaseMessageShareable > @end

Add this newly created class to your iOS app:

[[GCPFirestore defaultInstance] storeReference:@"FCMWantsToShareData" withValue:@{@"uid":uid, @"token":token} completionHandler:^(NSError * _Nullable error, id result. { if (!error. { self.myDatabase = result[0]; NSLog(@"%@", result[0]); } else { NSLog(@"%@", error); } }]; 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 [[ GCPFirestore defaultInstance ] storeReference . @"FCMWantsToShareData" withValue . @ { @"uid" :uid , @"token" :token } completionHandler . ^ ( NSError * _Nullable error , id result . { if ( ! error . { self . myDatabase = result [ 0 ] ; NSLog ( @"%@" , result [ 0 ] . ; } else { NSLog ( @"%@" , error . ; } } ] ;

The integration of OnceHub and Cloud Firestore is beneficial in the fplowing ways:

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