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Sign in with Twitter, often known as Login with Twitter, is a button on your iOS mobile app that allows the users of Twitter to harness the advantages of a registered Twitter account in just one click.
The application developer platform provided by Twitter allows an iPhone app developer to make use of Twitter’s global, real-time, and open communication network within the iOS app development. The Twitter kit is created in order to make the interaction with Twitter more smooth and efficient.
This blog will guide you step by step in order to integrate the Twitter REST API in your iOS app development using ‘Swift’ programming language to make seamless and efficient interaction with Twitter.
The Twitter kit offers you, as an iOS app developer, a lot of tools, application programming interface (API) products, resources, and data in order to expand and integrate the impact of Twitter through various solutions, research, and more.
There are various Twitter APIs that can be used in iPhone app development for integration into an iOS app like REST API, JSON API, and more. This iPhone app development tutorial will help you in the integration process of Twitter REST API in an iOS mobile app.
So, let’s start!
The Twitter API includes a defined set of programmatic endpoints, which is used to engage with the conversation and communication on Twitter. This API also allows an iOS app developer to find & retrieve, or create a number of resources, such as :
With the Twitter REST API, you will be able to log in to any of the iOS apps using the “Login with Twitter” button. This API includes the endpoints that can be used for analyzing, publishing, and engaging with Twitter.
The steps required for integrating the Twitter REST API in the iPhone app development are as follows.
The first step for Twitter REST API integration into an iOS app is to install the Fabric.app on your mac. For that, you need to follow the below steps:
In this step, there is a need to create a new project in the Xcode by following the below steps:
The following steps will help you in creating the pod file, in which we will infuse the Twitter kit in order to follow the Twitter REST API integration process in the iOS app development.
$ sugo gem install cocoapods.
$ pod setup –verbose
$ cd ~path/to/projectDirectory
$ pod init – It creates a ‘podfile’ into the directory of the project.
$ open -a Xcode Podfile – It will open the podfile with Xcode.
Now, close the ‘TwitterKit’ Xcode project and open the “TwitterKit.xcworkspace”.
Thankfully! We have successfully integrated the downloaded podfile with the “TwitterKit.xcworkspace”.
Thankfully! We have successfully integrated the downloaded podfile with the “TwitterKit.xcworkspace”.
The following steps will help you in adding the Twitter app to Fabric.
That’s great!
After initializing these import statements, add the following code snippet under the application (_:didFinishLaunchingWithOptions) method.
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import UIKit
import Fabric
import TwitterKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate
{
var window: UIWindow?
Func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions:
[UIApplicationLaunchOptionsKey: Any]?) -> Bool
{
// Override point for customization after application launch.
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Fabric.with( [Twitter.self] )
return true
}
This step involves adding some import statements and code snippets in the “ViewController.swift” tab of your Xcode project.
Under the “viewDidLoad()” method, add the import statement import TwitterKit and the following code snippet.
//This code snippet will implement the Login button setup in your iOS app.
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let logInButton = TWTRLogInButton
{
(session, error) in
guard let unwrappedSession = session else {//early return if error
print("Login error: %@", error!.localizedDescription);
return
}
let alert = UIAlertController(title: "Logged In",
message: "User \(unwrappedSession.userName) has logged in",
preferredStyle: UIAlertControllerStyle.alert
)
alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: nil))
self.present(alert, animated: true, completion: nil)
}
logInButton.center = CGPoint(x: self.view.center.x, y: 25 + logInButton.frame.size.height)
self.view.addSubview(logInButton)
// This code snippet is used for composing the tweet button setup
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let button = UIButton(type: .system)
button.setTitle("Compose tweet", for: [])
button.sizeToFit()
button.center = view.center
button.addTarget(self, action: #selector(compose), for: [.touchUpInside])
view.addSubview(button)
After adding this code, add a function func compose() in the “ViewController.swift”
func compose()
{
// Swift
let composer = TWTRComposer()
composer.setText("just setting up my Fabric")
//you can also set the image here [composet.setImage()]
//you can also set the URL here [composet.setURL()]
composer.show(from: self)
{
result in
if (result == TWTRComposerResult.cancelled)
{
print("Tweet composition cancelled")
}
else
{
print("Sending tweet!")
}
}
}
Finally! We are done.
The final code snippet of our project will look like this.
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let logInButton = TWTRLogInButton
{
(session, error) in
guard let unwrappedSession = session else {//early return if error
print("Login error: %@", error!.localizedDescription);
return
}
let alert = UIAlertController(title: "Logged In",
message: "User \(unwrappedSession.userName) has logged in",
preferredStyle: UIAlertControllerStyle.alert
)
alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: nil))
self.present(alert, animated: true, completion: nil)
}
logInButton.center = CGPoint(x: self.view.center.x, y: 25 + logInButton.frame.size.height)
self.view.addSubview(logInButton)
let button = UIButton(type: .system)
button.setTitle("Compose tweet", for: [])
button.sizeToFit()
button.center = view.center
button.addTarget(self, action: #selector(compose), for: [.touchUpInside])
view.addSubview(button)
After adding this code, add a function func compose() in the “ViewController.swift”
func compose()
{
// Swift
let composer = TWTRComposer()
composer.setText("just setting up my Fabric")
//you can also set the image here [composet.setImage()]
//you can also set the URL here [composet.setURL()]
composer.show(from: self)
{
result in
if (result == TWTRComposerResult.cancelled)
{
print("Tweet composition cancelled")
}
else
{
print("Sending tweet!")
}
}
}
Now, you just need to run the app.
Now, an alert with your username will appear on the
screen. Click on “OK” to continue.
After the successful sign-in to your simulator Twitter app, you can also compose a tweet inside the text box displaying in front of you.
Click on “Tweet”.
Cheers! You have posted the tweet successfully.
“Login With Twitter” button offers several impeccable features to the iPhone app developers. Some of them are as follows:
In this iPhone app development tutorial, we have understood that integrating the Twitter REST API in an iOS app allows the users of the app to directly tweet or publish media from the mobile app. We hope this tutorial will help you. However, you can also hire an iOS app development company for implementing the REST API for your iOS mobile app.