Download and install Xcode.
Obtain a THEOplayer iOS SDK through the THEOplayer Developer Portal at https://portal.theoplayer.com.
- And have the license string handy, as depicted in the screenshot below, because you'll need it when configuring your video player.

Creating a new iOS project

Steps for creating a new project:

Create new project (cmd + shift + n).
Select new App and click 'next'.

getting started with ios sdk 01

Enter project details, set interface to 'storyboard' and click 'next'.

getting started with ios sdk 02

After selecting the directory location, you should see something similar to the screenshot below.

getting started with ios sdk 03

Configure THEOplayer SDK framework

You can manually load and configure the THEOplayer SDK if you're not using Cocoapods. First, download your THEOplayer iOS SDK from https://portal.theoplayer.com.

Open "Finder" and drag your THEOplayerSDK.framework into to the project directory.

getting started with ios sdk 04

This screen pops up. Make sure these settings are selected, and click finish.

getting started with ios sdk 05

Go to the project configuration (1), select the General tab (2), and make sure the THEOplayerSDK.framework is embedded and signed in. (3) Add it with the "+" if necessary.

getting started with ios sdk 06

Validate that the framework will correctly be added during builds:

Go to the Build Phases tab in the project configuration. Then, go to the Embed Frameworks section and check that the THEOplayerSDK.framework is present.

getting started with ios sdk 07

Develop the app using the THEOplayer SDK

Steps for a minimal app using THEOplayer:

Open the ViewController.

The file should look like this:
Import THEOplayerSDK.
```
    import THEOplayerSDK
```

Make the setupTheoPlayer() function:

This function sets all the initial dimensions for the player and adds it to the view when called.

func setupTheoPlayer() {
    var frame: CGRect = UIScreen.main.bounds
    frame.origin.y = 0
    frame.size.height = frame.size.width * 9 / 16
    var playerConfig = THEOplayerConfiguration(pip: nil, license: "your_license_here")
    self.theoplayer = THEOplayer(configuration: playerConfig)
    self.theoplayer = THEOplayer()
    self.theoplayer.frame  = frame
    self.theoplayer.addAsSubview(of: self.view)
}

Do not forget to swap your_license_here with the license string mentioned in the "Prerequisites".

Define the sampleSource:

var sampleSource: SourceDescription {
    return SourceDescription(
        source: TypedSource(
        src: "https://cdn.theoplayer.com/video/elephants-dream/playlist.m3u8",
        type: "application/x-mpegurl"
        )
    )
}

Set up a player during viewDidLoad(), it is important to keep a reference to this instance

override func viewDidLoad() {
    super.viewDidLoad()
    setupTheoPlayer()
    self.theoplayer.source = sampleSource
    /* Do any additional setup after loading the view.*/
}

The result is the following snippet:

import UIKit
import THEOplayerSDK

class ViewController: UIViewController {
    var theoplayer: THEOplayer!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupTheoPlayer()
        self.theoplayer.source = sampleSource
    }
    
    func setupTheoPlayer() {
        var frame: CGRect = UIScreen.main.bounds
        frame.origin.y = 0
        frame.size.height = frame.size.width * 9 / 16
        
        var playerConfig = THEOplayerConfiguration(pip: nil, license: "your_license_here")
        self.theoplayer = THEOplayer(configuration: playerConfig)
        self.theoplayer.frame =  frame
        self.theoplayer.addAsSubview(of: self.view)
    }

    var sampleSource: SourceDescription {
        return SourceDescription(
            source: TypedSource(
                src: "https://cdn.theoplayer.com/video/elephants-dream/playlist.m3u8",
                type: "application/x-mpegurl"
            )
        )
    }
}

Steps for adding and removing event listeners.

Add var listeners: [String: EventListener] = [:] to ViewController

var theoplayer: THEOplayer!
var listeners: [String: EventListener] = [:]

Write the functions to create and delete the EventListeners on play and pause events.

class ViewController: UIViewController {
    
    ...

    func attachEventListeners() {
        self.listeners["play"] = self.theoplayer.addEventListener(type: PlayerEventTypes.PLAY, listener: onPlay)
        self.listeners["pause"] = self.theoplayer.addEventListener(type: PlayerEventTypes.PAUSE, listener: onPause)
    }
    
    func removeEventListeners() {
        self.theoplayer.removeEventListener(type: PlayerEventTypes.PLAY, listener: listeners["play"]!)
        self.theoplayer.removeEventListener(type: PlayerEventTypes.PAUSE, listener: listeners["pause"]!)
    }

    func onPlay(event: PlayEvent) {
        print("Play event occured")
    }
    
    func onPause(event: PauseEvent) {
        print("Pause event occured")
    }
}

Add attachEventListeners() to the setupTheoPlayer() function to create the EventListeners when the THEOplayer is initialized.

func setupTheoPlayer() {
       var frame: CGRect = UIScreen.main.bounds
       frame.origin.y = 0
       frame.size.height = frame.size.width * 9 / 16
           
       var playerConfig = THEOplayerConfiguration(pip: nil, license: "your_license_here")
       self.theoplayer = THEOplayer(configuration: playerConfig)
       self.theoplayer.frame =  frame
       self.theoplayer.addAsSubview(of: self.view)
       
       attachEventListeners()
   }

Modify the viewWillDisappear() method to also delete the EventListeners we previously made when the current view is inactive.
```
override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear()
removeEventListeners()
}
```

Full code overview:

import UIKit
import THEOplayerSDK

class ViewController: UIViewController {
    var theoplayer: THEOplayer!
    var listeners: [String: EventListener] = [:]

    override func viewDidLoad() {
        super.viewDidLoad()
        setupTheoPlayer()
        self.theoplayer.source = sampleSource
    }
        
    func setupTheoPlayer() {
        var frame: CGRect = UIScreen.main.bounds
        frame.origin.y = 0
        frame.size.height = frame.size.width * 9 / 16
            
        var playerConfig = THEOplayerConfiguration(pip: nil, license: "your_license_here")
        self.theoplayer = THEOplayer(configuration: playerConfig)
        self.theoplayer.frame =  frame
        self.theoplayer.addAsSubview(of: self.view)
        
        attachEventListeners()
    }

    var sampleSource: SourceDescription {
        return SourceDescription(
            source: TypedSource(
            src: "https://cdn.theoplayer.com/video/elephants-dream/playlist.m3u8",
            type: "application/x-mpegurl"
            )
        )
    }
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear()
        removeEventListeners()
    }

    func attachEventListeners() {
        self.listeners["play"] = self.theoplayer.addEventListener(type: PlayerEventTypes.PLAY, listener: onPlay)
        self.listeners["pause"] = self.theoplayer.addEventListener(type: PlayerEventTypes.PAUSE, listener: onPause)
    }
    
    func removeEventListeners() {
        self.theoplayer.removeEventListener(type: PlayerEventTypes.PLAY, listener: listeners["play"]!)
        self.theoplayer.removeEventListener(type: PlayerEventTypes.PAUSE, listener: listeners["pause"]!)
    }

    func onPlay(event: PlayEvent) {
        print("Play event occured")
    }
    
    func onPause(event: PauseEvent) {
        print("Pause event occured")
    }
}

Finally, validate that the tutorial has been completed successfully:

Run the application. You can boot a simulator, or use your own physical device.
Click the big play button.

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