Actions on output device changed

Author: Koitharu

app/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "org.koitharu.volumeicon"
         minSdk = 24
         targetSdk = 36
-        versionCode = 3
-        versionName = "1.2"
+        versionCode = 4
+        versionName = "1.3"
     }
 
     lint {
@@ -33,6 +33,9 @@ android {
         sourceCompatibility = JavaVersion.VERSION_11
         targetCompatibility = JavaVersion.VERSION_11
     }
+    dependenciesInfo {
+        includeInApk = false
+    }
 }
 
 dependencies {

app/src/main/kotlin/org/koitharu/volumeicon/VolumeIconService.kt

@@ -115,7 +115,7 @@ class VolumeIconService : AccessibilityService() {
         val outputDevice = audioManager.getOutputDevice()
         if (currentDevice != outputDevice) {
             if (currentDevice != null) {
-                toastFactory.createDeviceToast(outputDevice).show()
+                handleDeviceChanged(outputDevice)
             }
             currentDevice = outputDevice
         }
@@ -133,6 +133,16 @@ class VolumeIconService : AccessibilityService() {
         }
     }
 
+    private fun handleDeviceChanged(outputDevice: OutputDevice) {
+        val actions = settings.onDeviceChangedActions
+        if (AppSettings.VALUE_SHOW_UI in actions) {
+            audioManager.adjustVolume(AudioManager.ADJUST_SAME, AudioManager.FLAG_SHOW_UI)
+        }
+        if (AppSettings.VALUE_SHOW_TOAST in actions) {
+            toastFactory.createDeviceToast(outputDevice).show()
+        }
+    }
+
     @SuppressLint("WrongConstant")
     private fun handleVolumeButton(action: Int, isUp: Boolean): Boolean {
         if (audioManager.mode != AudioManager.MODE_NORMAL) {

app/src/main/kotlin/org/koitharu/volumeicon/config/AppSettings.kt

@@ -36,6 +36,9 @@ class AppSettings(context: Context) {
     val hideVolumeUi: Boolean
         get() = prefs.getBoolean(KEY_HIDE_UI, false)
 
+    val onDeviceChangedActions: Set<String>
+        get() = prefs.getStringSet(KEY_DEVICE_CHANGE_ACTIONS, emptySet()).orEmpty()
+
     fun doOnSettingsChanged(keys: Set<String>, block: AppSettings.() -> Unit): AutoCloseable {
         val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
             if (key in keys) {
@@ -56,5 +59,9 @@ class AppSettings(context: Context) {
         const val KEY_SYSTEM_NOTIFICATIONS_SETTINGS = "system_notifications_settings"
         const val KEY_BEEPS = "beeps"
         const val KEY_HIDE_UI = "no_ui"
+        const val KEY_DEVICE_CHANGE_ACTIONS = "device_change_actions"
+
+        const val VALUE_SHOW_TOAST = "toast"
+        const val VALUE_SHOW_UI = "volume_ui"
     }
 }

app/src/main/kotlin/org/koitharu/volumeicon/config/SettingsActivity.kt

@@ -6,6 +6,7 @@ import android.annotation.SuppressLint
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.preference.ListPreference
+import android.preference.MultiSelectListPreference
 import android.preference.Preference
 import android.preference.PreferenceActivity
 import android.preference.PreferenceGroup
@@ -66,13 +67,20 @@ class SettingsActivity : PreferenceActivity(), SharedPreferences.OnSharedPrefere
 
     private fun Preference.bindSummary() {
         when (this) {
+            is PreferenceGroup -> repeat(preferenceCount) { i ->
+                getPreference(i).bindSummary()
+            }
+
             is ListPreference -> {
                 val valueIndex = entryValues.indexOf(value)
                 summary = entries.getOrNull(valueIndex)
             }
 
-            is PreferenceGroup -> repeat(preferenceCount) { i ->
-                getPreference(i).bindSummary()
+            is MultiSelectListPreference -> {
+                summary = values.mapNotNull { value ->
+                    val valueIndex = entryValues.indexOf(value)
+                    entries.getOrNull(valueIndex)
+                }.joinToString().ifEmpty { getString(R.string.none) }
             }
         }
     }

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

@@ -32,4 +32,12 @@
         <item>ENABLED</item>
         <item>DISABLED</item>
     </string-array>
+    <string-array name="device_change_actions">
+        <item>@string/show_popup_message</item>
+        <item>@string/show_volume_control</item>
+    </string-array>
+    <string-array name="device_change_action_values">
+        <item>toast</item>
+        <item>volume_ui</item>
+    </string-array>
 </resources>

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

@@ -31,5 +31,8 @@
     <string name="headphones">Headphones</string>
     <string name="builtin_speaker">Built-in speaker</string>
     <string name="other_device">Other device</string>
-    <string name="output_label_template">%1$s (%2$s)</string>
+    <string name="output_label_template" translatable="false">%1$s (%2$s)</string>
+    <string name="show_popup_message">Show pop-up message</string>
+    <string name="show_volume_control">Show volume slider</string>
+    <string name="none">None</string>
 </resources>

app/src/main/res/xml/pref_root.xml

@@ -33,5 +33,10 @@
             android:key="no_ui"
             android:summary="@string/hide_volume_slider_description"
             android:title="@string/hide_volume_slider" />
+        <MultiSelectListPreference
+            android:entries="@array/device_change_actions"
+            android:entryValues="@array/device_change_action_values"
+            android:key="device_change_actions"
+            android:title="When output device is changed" />
     </PreferenceCategory>
 </PreferenceScreen>