Files
android-hairdryer/app/src/main/java/com/example/hairdryer/MainActivity.kt
2025-10-29 01:36:17 +01:00

58 lines
1.6 KiB
Kotlin

package com.example.hairdryer
import android.app.Activity
import android.media.AudioAttributes
import android.media.SoundPool
import android.os.Bundle
import android.os.Handler
import android.widget.Button
import android.widget.EditText
class MainActivity : Activity() {
private lateinit var soundPool: SoundPool
private var soundId = 0
private var streamId = 0
private val handler = Handler()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val input = findViewById<EditText>(R.id.timerInput)
val btn = findViewById<Button>(R.id.startBtn)
val attrs = AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_MEDIA)
.setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
.build()
soundPool = SoundPool.Builder()
.setMaxStreams(1)
.setAudioAttributes(attrs)
.build()
soundId = soundPool.load(this, R.raw.sound, 1)
btn.setOnClickListener {
val min = input.text.toString().toIntOrNull() ?: 0
startLoopingSound(min)
}
}
private fun startLoopingSound(minutes: Int) {
// Starte Sound in Schleife
streamId = soundPool.play(soundId, 1f, 1f, 1, -1, 1f) // -1 = loop unendlich
if (minutes > 0) {
handler.postDelayed({
soundPool.stop(streamId)
}, minutes * 60_000L)
}
}
override fun onDestroy() {
super.onDestroy()
soundPool.release()
}
}