Play sound when pressing buzzer (#223)

Closes #192

Author: mueller-ma

README.md

@@ -28,4 +28,5 @@ Translations have to be approved before being merged into the app. To become a t
 
 * Feature graphic by https://unsplash.com/@accrualbowtie
 * Some icons by Google and https://materialdesignicons.com/
-* Some audio files from https://soundbible.com/
+* Sound for the timer by https://soundbible.com/
+* Sound for buzzer by https://mixkit.co

app/src/main/java/com/github/muellerma/tabletoptools/ui/fragments/BuzzersFragment.kt

@@ -1,5 +1,8 @@
 package com.github.muellerma.tabletoptools.ui.fragments
 
+import android.media.AudioAttributes
+import android.media.AudioManager
+import android.media.MediaPlayer
 import android.os.*
 import android.util.Log
 import android.view.*
@@ -11,6 +14,7 @@ import androidx.core.view.isVisible
 import androidx.lifecycle.Lifecycle
 import com.github.muellerma.tabletoptools.R
 import com.github.muellerma.tabletoptools.databinding.FragmentBuzzersBinding
+import com.github.muellerma.tabletoptools.utils.Prefs
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -96,6 +100,18 @@ class BuzzersFragment : AbstractBaseFragment() {
             vibrator.vibrate(500)
         }
 
+        val sound = Prefs(requireContext()).buzzerSound
+        if (sound != null) {
+            val audioManager = requireContext().getSystemService<AudioManager>()!!
+            val player = MediaPlayer.create(
+                requireContext(),
+                sound,
+                AudioAttributes.Builder().build(),
+                audioManager.generateAudioSessionId()
+            )
+            player.start()
+        }
+
         buzzers.forEach {
             if (it != pressedButton) {
                 it.isEnabled = false

app/src/main/java/com/github/muellerma/tabletoptools/utils/Prefs.kt

@@ -8,8 +8,7 @@ import com.github.muellerma.tabletoptools.R
 import com.github.muellerma.tabletoptools.ui.fragments.TimerFragment
 
 class Prefs(private val context: Context) {
-    var sharedPrefs: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
-        private set
+    private var sharedPrefs: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
 
     val maxDiceCount: Int
         get() = sharedPrefs.getString("dices_max_count", "10")?.toInt() ?: 10
@@ -56,4 +55,11 @@ class Prefs(private val context: Context) {
             }
         }
 
+    val buzzerSound: Int?
+        get() {
+            return when (sharedPrefs.getString("buzzer_sound", null)) {
+                "buzzer" -> R.raw.buzzer
+                else -> null
+            }
+        }
 }

app/src/main/res/raw/buzzer.mp3

@@ -25,4 +25,13 @@
         <item>@string/menu_timer_value</item>
         <item>@string/menu_buzzers_value</item>
     </string-array>
+
+    <string-array name="buzzer_sound">
+        <item>@string/buzzer_sound_none</item>
+        <item>@string/buzzer_sound_buzzer</item>
+    </string-array>
+    <string-array name="buzzer_sound_values" translatable="false">
+        <item>none</item>
+        <item>buzzer</item>
+    </string-array>
 </resources>

app/src/main/res/values/array.xml

@@ -78,6 +78,9 @@
     <string name="menu_preferences">Settings</string>
     <string name="keep_screen_on_enabled">Keep screen on</string>
     <string name="keep_screen_on_disabled">Don\'t keep screen on</string>
+    <string name="buzzer_sound">Sound</string>
+    <string name="buzzer_sound_none">None</string>
+    <string name="buzzer_sound_buzzer">Buzzer</string>
 
     <!--  About menu  -->
     <string name="about">About</string>

app/src/main/res/values/strings.xml

@@ -29,6 +29,15 @@
                 android:title="@string/dice_show_roll_inc_slider"
                 android:defaultValue="false" />
     </PreferenceCategory>
+    <PreferenceCategory android:title="@string/menu_buzzers">
+        <ListPreference
+                android:key="buzzer_sound"
+                android:title="@string/buzzer_sound"
+                android:entryValues="@array/buzzer_sound_values"
+                android:entries="@array/buzzer_sound"
+                android:defaultValue="none"
+                android:summary="%s" />
+    </PreferenceCategory>
     <PreferenceCategory>
         <Preference
                 android:key="about"