Android & Kotlin Examples code

Android kotlin tutorials and examples code for android apps developers.

Parallel api call threading using CoroutineWorker in kotlin android

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A CoroutineWorker in Android is a part of the Android WorkManager library that allows you to perform backgr...

Migrate Android gradle from Groovy Scripts to KTS (Kotlin script)

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This section will guide your step-by-step to convert or migrate your Android project's Gradle build script from Groovy script to ...

How can I uncheck or reset the radio button in android/kotlin ?

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I recently had the need to have a radio group where the selected item could be deselected by tapping it again. So, here I can be able to des...

Android Kotlin Room database, build error “A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution” on Android Studio Preview Apple M1

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Component used: Room Version used: 2.3.0 Devices/Android versions reproduced on: MacBook Pro M1 chip Build failed on Apple M1 with Room data...
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Parcelize annotations from package 'kotlinx.android.parcel' are deprecated. Change package to 'kotlinx.parcelize'

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Parcelize annotations from package 'kotlinx.android.parcel' are deprecated. Change package to 'kotlinx.parcelize' I was usin...

java.lang.IllegalArgumentException: Receiver not registered : Android BroadcastReceiver

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     --------- beginning of crash 2021-06-29 14:58:18.780 16932-16932/com.example.myapplication2 E/AndroidRuntime: FATAL EXCEPTION: main    ...

java.lang.IllegalStateException at android.media.MediaPlayer : Android MediaPlayer Error

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     --------- beginning of crash 2021-06-29 12:40:18.925 2968-2968/com.example.myapplication2 E/AndroidRuntime: FATAL EXCEPTION: main     P...

Google Keep stopping - com.google.android.apps.gsa.tasks.m: EXCLUSIVE background task UPDATE_HOTWORD_MODELS crashed.

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 com.google.android.apps.gsa.tasks.m: EXCLUSIVE background task UPDATE_HOTWORD_MODELS crashed. at com.google.android.apps.gsa.tasks.n.ga(S...

java.lang.ClassCastException: java.util.Collections$SingletonList cannot be cast to java.util.ArrayList

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Issue detail: I am parsing the List using gson in kotlin with below syntax: val methods: ArrayList<DataPOJO> = Gson().fromJson(dat...

custom spinner adapter android kotlin

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Spinner Custom Item Layout <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.Constra...

android spinner example kotlin

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android spinner example - string array xml res/values/strings.xml <resources>     <string name="app_name">Kotlin...

How to use Kotlin Coroutines with volley

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How to use API connection with Kotlin Coroutines + Volley When start developing API with Volley in Kotlin, you want to use Kotlin Coroutin...
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