Kotlin Articles

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How to listen for volume buttons in Android background service using kotlin?

Azhar
Azhar
Updated on 20-Apr-2020 585 Views

This example demonstrates how to listen for volume buttons in Android background service using kotlin.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 - Add the following code to res/layout/activity_main.xml.     Step 3 − Add the following code to src/MainActivity.ktpackage app.com.kotlinapp import android.os.Bundle import android.os.Handler import android.provider.Settings import androidx.appcompat.app.AppCompatActivity class MainActivity : AppCompatActivity() {    private lateinit var settingsContentObserver: SettingsContentObserver    override fun onCreate(savedInstanceState: Bundle?) {       super.onCreate(savedInstanceState)       setContentView(R.layout.activity_main)       settingsContentObserver ...

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How to play sound using SoundPool in Kotlin?

Azhar
Azhar
Updated on 20-Apr-2020 3K+ Views

This example demonstrates how to play sound using SoundPool in Kotlin.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Create a new Android Resource folder (raw) and copy-paste your sound file in the res/raw/filename.mp3 as shown below −Step 4 − Add the following code to src/MainActivity.ktpackage app.com.myapplication import android.media.AudioManager import android.media.SoundPool import android.os.Bundle import android.view.View import android.widget.Toast import androidx.appcompat.app.AppCompatActivity @Suppress("DEPRECATION") class MainActivity : AppCompatActivity() {    private var ...

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