<manifest ...>
  	
  <uses-permission android:name="android.permission.INTERNET" />
  <uses-permission android:name="android.permission.RECORD_AUDIO" />
  <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
  <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
  <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MICROPHONE"/>
  <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>

  <application ...>
    ...
  </application>
</manifest>
    

dependencies {
  ...
  implementation("androidx.lifecycle:lifecycle-service:2.8.7")
  implementation("com.squareup.okhttp3:okhttp:4.11.0")
  implementation("com.google.code.gson:gson:2.10")
  implementation("ai.asleep:asleepsdk:3.1.0")
}

dependencies {
		...
    implementation 'androidx.lifecycle:lifecycle-service:2.8.7'
    implementation 'com.squareup.okhttp3:okhttp:4.11.0'
    implementation 'com.google.code.gson:gson:2.10'
    implementation 'ai.asleep:asleepsdk:3.1.0'
}

class MainActivity : AppCompatActivity() {
  
  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    ...

    ActivityCompat.requestPermissions(
      this@MainActivity,
      arrayOf(android.Manifest.permission.RECORD_AUDIO,
              android.Manifest.permission.POST_NOTIFICATIONS),
      0)
      ...
  }

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btn_init"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="200dp"
        android:text="init"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn_begin"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="32dp"
        android:text="begin"
        app:layout_constraintEnd_toStartOf="@+id/btn_end"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_init" />

    <Button
        android:id="@+id/btn_end"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:text="end"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/btn_begin"
        app:layout_constraintTop_toBottomOf="@+id/btn_init" />

    <Button
        android:id="@+id/btn_report"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:text="report"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/btn_init" />
          
</androidx.constraintlayout.widget.ConstraintLayout>

    ...
    private lateinit var btnInit: Button
    private lateinit var btnBegin: Button
    private lateinit var btnEnd: Button
    private lateinit var btnReport: Button

    ...
    btnInit = findViewById(R.id.btn_init)
    btnBegin = findViewById(R.id.btn_begin)
    btnEnd = findViewById(R.id.btn_end)
    btnReport = findViewById(R.id.btn_report)

val TAG = "[AsleepSDK]"
private var createdUserId: String? = null
private var createdAsleepConfig: AsleepConfig? = null
private var createdSessionId: String? = null

...
btnInit.setOnClickListener {
  Asleep.initAsleepConfig(
    context = this,
    apiKey = "[YOUR API KEY]",
    userId = null,
    service = "Test App",
    asleepConfigListener = object: Asleep.AsleepConfigListener {
      override fun onFail(errorCode: Int, detail: String) {
        Log.d(TAG, "initAsleepConfig onFail $errorCode $detail")
      }

      override fun onSuccess(userId: String?, asleepConfig: AsleepConfig?) {
        Log.d(TAG, "initAsleepConfig onSuccess $userId")
        createdUserId = userId
        createdAsleepConfig = asleepConfig
      }
    })
}

btnBegin.setOnClickListener {
  createdAsleepConfig?.let { asleepConfig ->

    Asleep.beginSleepTracking(
      asleepConfig = asleepConfig,
      asleepTrackingListener = object : Asleep.AsleepTrackingListener {
        override fun onFail(errorCode: Int, detail: String) {
          Log.d(TAG, "beginSleepTracking onFail $errorCode $detail")
        }

        override fun onFinish(sessionId: String?) {
          Log.d(TAG, "beginSleepTracking onFinish $sessionId")
        }

        override fun onPerform(sequence: Int) {
          Log.d(TAG, "beginSleepTracking onPerform $sequence")
        }

        override fun onStart(sessionId: String) {
          Log.d(TAG, "beginSleepTracking onStart $sessionId")
          createdSessionId = sessionId
        }
      })
  }
}

btnEnd.setOnClickListener {
  Asleep.endSleepTracking()
}

btnReport.setOnClickListener {
  createdSessionId?.let { sessionId ->

    val reports = Asleep.createReports(createdAsleepConfig)

    reports?.getReport(
      sessionId = sessionId,
      reportListener = object : Reports.ReportListener {
        override fun onFail(errorCode: Int, detail: String) {
          Log.d(TAG, "getReport onFail $errorCode $detail")
        }
        override fun onSuccess(report: Report?) {
          Log.d(TAG, "getReport onSuccess $report")
        }
      })
  }
}