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integrated start/stop button to ready or stopped button

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pi
2025-11-03 17:44:37 +01:00
parent a16fd1e995
commit fa671d6fc4
3 changed files with 27 additions and 65 deletions
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47
app/src/main/java/com/example/hairdryer/MainActivity.kt
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@@ -6,7 +6,6 @@ import android.media.AudioAttributes
import android.media.SoundPool
import android.os.Bundle
import android.os.Handler
import android.widget.Button
import android.widget.EditText
import android.widget.TextView
@@ -26,7 +25,6 @@ class MainActivity : Activity() {
val status = findViewById<TextView>(R.id.statusText)
val input = findViewById<EditText>(R.id.timerInput)
val btn = findViewById<Button>(R.id.mainBtn)
val attrs = AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_MEDIA)
@@ -40,64 +38,59 @@ class MainActivity : Activity() {
soundId = soundPool.load(this, R.raw.sound, 1)
// Initial: Start-Zustand (grün)
btn.setBackgroundColor(Color.GREEN)
btn.setTextColor(Color.BLACK)
status.setBackgroundColor(Color.LTGRAY)
status.setTextColor(Color.BLACK)
// Anfangszustand
updateUI(status, "Ready", Color.LTGRAY)
btn.setOnClickListener {
// Das Statusfeld ist jetzt klickbar
status.setOnClickListener {
if (isPlaying) {
stopSound(btn, status)
stopSound(status)
} else {
val min = input.text.toString().toIntOrNull() ?: 0
startSound(min, btn, status)
startSound(min, status)
}
}
}
private fun startSound(minutes: Int, btn: Button, status: TextView) {
stopSound(btn, status) // sicherstellen, dass nichts doppelt läuft
private fun startSound(minutes: Int, status: TextView) {
stopSound(status)
streamId = soundPool.play(soundId, 1f, 1f, 1, -1, 1f)
isPlaying = true
btn.text = "Stop"
btn.setBackgroundColor(Color.RED)
btn.setTextColor(Color.BLACK)
status.setBackgroundColor(Color.GREEN)
status.text = if (minutes > 0) "Läuft: ${minutes} min" else "Läuft: ∞"
if (minutes > 0) {
remainingMinutes = minutes
updateUI(status, "Runs for: $remainingMinutes min", Color.GREEN)
countdownRunnable = object : Runnable {
override fun run() {
remainingMinutes--
if (remainingMinutes > 0) {
status.text = "Läuft: ${remainingMinutes} min"
updateUI(status, "Runs for: $remainingMinutes min", Color.GREEN)
handler.postDelayed(this, 60_000L)
} else {
stopSound(btn, status)
stopSound(status)
}
}
}
handler.postDelayed(countdownRunnable!!, 60_000L)
} else {
updateUI(status, "Runs: ∞", Color.GREEN)
}
}
private fun stopSound(btn: Button, status: TextView) {
private fun stopSound(status: TextView) {
if (isPlaying) {
soundPool.stop(streamId)
isPlaying = false
}
remainingMinutes = 0
handler.removeCallbacks(countdownRunnable ?: Runnable { })
status.text = "Gestoppt"
status.setBackgroundColor(Color.RED)
status.setTextColor(Color.BLACK)
updateUI(status, "Stopped", Color.RED)
}
btn.text = "Start"
btn.setBackgroundColor(Color.GREEN)
btn.setTextColor(Color.BLACK)
private fun updateUI(view: TextView, text: String, color: Int) {
view.text = text
view.setBackgroundColor(color)
view.setTextColor(Color.BLACK)
}
override fun onDestroy() {