A step-by-step guide to embedding Real-Time Communication features into your iOS application

This document is designed to help developers get started using the Temasys SDK for iOS to add video & voice calling, secure messaging, and more to their iOS application. Let’s get started!

Step 1: Create an Account on the Temasys Console (Skip to Step 5 if you have already created an account and generated an App key)
    The Temasys Console is where you’ll be able to create an App Profile and get an App Key.Once you create an account, you will receive a verification email.
    Click the link in the verification email, and then log into the Temasys Console to let the fun begin.
Step 2: Create an App Profile
    Once you’ve logged into the Temasys Console, choose Manage Apps.
    Here you will see the Create App form where you can create your App Profile.
    Add your Application’s name, brief description, related website, the category and how many users you expect to be using your app.
    Click Create.
Step 3: Select the Free Billing Option
    You’ll see a Billing screen with a variety of options, but you don’t need to worry about that right now.
    You can select the Free option while you’re creating and testing your app.
    The Free option, lets you test your code with up to 10 concurrent users and generate 3 associated keys at no charge.
    Click Continue to confirm the Free option.
    Once you’re ready to roll-out your app, you will want to come back to this screen and select the option that best fits your needs.
Step 4: Get an App Key
    Now you’re ready to generate up to 3 App keys.
    Every App key for the Web platform will only work on your specified CORS domain name.
    If you want to have different websites or applications on different platforms (such as Android and iOS) access the same realm and therefore the same rooms, you can create multiple keys under the same application – one for each platform. This extends the scope of the realm to other domains or applications.
STEP 5: Set up a new Xcode project workspace

These are the simple steps to set up an empty Xcode project.

We recommend you install the SDK via Cocoapods. If you don’t have Cocoapods installed, please follow these steps:

  • Check that you have Xcode command line tools installed (Xcode > Preferences > Locations > Command line tools).
  •  If not, open the terminal and run -xcode-select –install . You can find more details here if needed: 
  • Install cocoa pods in the terminal: $ sudo gem install cocoapods. Cocoapods website: cocoapods.org. Create new Xcode project
  • Close Xcode (.xcodeproj file)
Step 6: Install the Temasys SDK for iOS
  • Run pod init iin the terminal, where the .xcodeprojfile file is located. This will create the podfile.
  • Add pod “SKYLINK” to your pod file, for the appropriate(s) target(s).
  • Run pod install. Wait for the terminal to output a message that will read something like “Pod installation complete!”
  • You will see that there is 1 dependency from the Podfile, and 3 total pods installed.
Step 7: Configure Settings
  • Open the .xcworkspace file and always work with this from now on (instead of the .xcodeproj file).
  • For each target where you plan to use the Temasys SDK, go to Build settings  (make sure “all” is selected) > Build Options > Enable bit code and set it to NO. This will avoid the “…does not contain bitcode” message.
  • If you get the error “The resource could not be loaded because the App Transport Security policy requires the use of a secure connection”, edit your info.plist by adding an NSAppTransportSecurity key as Dictionary. Then, add a sub-key named NSAllowsArbitraryLoads as boolean set to YES.
  • Optionally, if you want your app to be able to process audio even when the users leaves the app or locks the device, just enable the VoIP background capability or the audio background capability in the target’s “capabilities” tab.
STEP 8: Initializing the Temasys SDK for iOS

The main idea is to prepare and create a connection to a room via the Temasys platform. After that, you will be able to send messages to the connection and implement the desired protocols to control what happens between the local device and the peers.

Temasys SDK for iOS provides 3 classes:

  • SKYLINKConnection – the main class, the one you will be sending messages to
  • SKYLINKConnectionConfig – to configure the SKYLINKConnection instance before you connect to a room
  • SKYLINKPeerMediaProperties – used in delegates methods to get more information about the peers

Here is an example connection code:

// Creating configuration

SKYLINKConnectionConfig *config = [SKYLINKConnectionConfig new];

config.video = YES;

config.audio = YES;

// Creating SKYLINKConnection

self.skylinkConnection = [[SKYLINKConnection alloc] initWithConfig:config appKey:self.skylinkApiKey];  self.skylinkConnection.lifeCycleDelegate  = self;

self.skylinkConnection.mediaDelegate   = self;

self.skylinkConnection.remotePeerDelegate = self;

// Connecting to a room

[self.skylinkConnection connectToRoomWithSecret:self.skylinkApiSecret roomName:ROOM_NAME userInfo:nil];

Step 9: Implement Protocols

The common next step is to implement protocols. The Temasys SDK for iOS provides 5 protocols:

  •      SKYLINKConnectionLifeCycleDelegate
  •      SKYLINKConnectionRemotePeerDelegate
  •      SKYLINKConnectionMediaDelegate
  •      SKYLINKConnectionMessagesDelegate
  •      SKYLINKConnectionFileTransferDelegate

The SKYLINKConnectionLifeCycleDelegate and the SKYLINKConnectionRemotePeerDelegate are the most important. These will give you general details about the lifecycle and the peers that are joining and leaving your application. It is advised to implement them for all applications.

MediaDelegates are implemented if you are using the Temasys SDK for simply adding video/voice communication capabilities. Similarly, message delegates and file transfer delegates can be implemented based on whether you require messaging and data transfer capabilities for your application. You get the idea!

That’s about it. We can’t wait to see what you’ll create with Temasys technology!

We hope you enjoy getting started with the Temasys SDK for iOS! Have fun, share this and let us know if you run into any issues!

ADDITIONAL RESOURCES

Here are some useful links:

Temasys Developer Console

How to get support or contribute

Sample App

Have a look at the iOS Sample App and its readme on Github. It provides simple example ways to build video calls, multi-party video calls, audio calls, chat rooms and file transfer rooms. https://github.com/Temasys/SkylinkSDK-iOS-Sample

This document applies to Temasys SkylinkSDK for iOS version 1.0.8

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