halilozel1903

override fun onStop() {
        super.onStop()
        releasePlayer()
}

override fun onPause() {
        super.onPause()
        releasePlayer()
}

halilozel1903

class MainActivity : Activity() {

    private lateinit var binding: ActivityMainBinding
    private var exoPlayer: ExoPlayer? = null
    private var playbackPosition = 0L
    private var playWhenReady = true

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityMainBinding.inflate(layoutInflater)

halilozel1903

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:argType="http://schemas.android.com/tools"
    android:id="@+id/flRoot"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:focusable="true"
    android:keepScreenOn="true">

halilozel1903

    val programmingLanguages = ArrayList<String>()
    programmingLanguages.add("Kotlin")
    programmingLanguages.add("Swift")
    programmingLanguages.add("Java")
    programmingLanguages.add("Objective-C")

    val studentNames = ArrayList<String>()

    println(studentNames.contains("Java"))
    println(programmingLanguages.contains("Java"))

halilozel1903

    val programmingLanguages = ArrayList<String>()
    programmingLanguages.add("Kotlin")
    programmingLanguages.add("Swift")
    programmingLanguages.add("Java")
    programmingLanguages.add("Objective-C")

    val studentNames = ArrayList<String>()

    println(studentNames.isEmpty())
    println(programmingLanguages.isEmpty())

halilozel1903

    val studentNames = ArrayList<String>()
    programmingLanguages.add("Halil")
    programmingLanguages.add("Ibrahim")
    programmingLanguages.add("Yusuf")
    programmingLanguages.add("Efe")

    studentNames.clear()

    println(studentNames)

halilozel1903

    val programmingLanguages = ArrayList<String>()
    programmingLanguages.add("Kotlin")
    programmingLanguages.add("Swift")
    programmingLanguages.add("Java")
    programmingLanguages.add("Objective-C")

    val studentNames = ArrayList<String>()
    programmingLanguages.add("Halil")
    programmingLanguages.add("Ibrahim")
    programmingLanguages.add("Yusuf")

halilozel1903

    val programmingLanguages = ArrayList<String>()
    programmingLanguages.add("Kotlin")
    programmingLanguages.add("Swift")
    programmingLanguages.add("Java")
    programmingLanguages.add("Objective-C")

    println("Programming Languages: ${programmingLanguages.size}")

halilozel1903

    footballTeam.remove("Trabzonspor")
    footballTeam.removeAt(2)

halilozel1903

    println(footballTeam.get(0))
    println(footballTeam[2])