CommDeviceAudioSwitch upgrade (#910)

* Update AudioSwitch and use communication device api for S and above

* Update audioswitch lib

* Allow changing preferredDeviceList while AudioSwitchHandler is started

* spotless and changesets

* spotless

Author: davidliu

.changeset/cuddly-moose-try.md

@@ -0,0 +1,5 @@
+---
+"client-sdk-android": patch
+---
+
+Update audio handling to use AudioManager communication device APIs on S and above

.changeset/great-zoos-boil.md

@@ -0,0 +1,5 @@
+---
+"client-sdk-android": patch
+---
+
+Implement changing preferred audio device list on AudioSwitchHandler mid-call

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ androidx-camera = "1.4.2"
 androidx-core = "1.13.1"
 androidx-fragment = "1.5.1"
 androidx-lifecycle = "2.8.0"
-audioswitch = "89582c47c9a04c62f90aa5e57251af4800a62c9a"
+audioswitch = "70efa204dda4f468f989b4b3e1b5ecb6ffe56ceb"
 autoService = '1.0.1'
 coroutines = "1.6.0"
 dagger = "2.46"

livekit-android-sdk/src/main/java/io/livekit/android/audio/AudioSwitchHandler.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2025 LiveKit, Inc.
+ * Copyright 2023-2026 LiveKit, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -27,6 +27,7 @@ import com.twilio.audioswitch.AbstractAudioSwitch
 import com.twilio.audioswitch.AudioDevice
 import com.twilio.audioswitch.AudioDeviceChangeListener
 import com.twilio.audioswitch.AudioSwitch
+import com.twilio.audioswitch.CommDeviceAudioSwitch
 import com.twilio.audioswitch.LegacyAudioSwitch
 import io.livekit.android.room.Room
 import io.livekit.android.util.LKLog
@@ -48,7 +49,7 @@ constructor(private val context: Context) : AudioHandler {
     /**
      * Toggle whether logging is enabled for [AudioSwitch]. By default, this is set to false.
      */
-    var loggingEnabled = false
+    var loggingEnabled = true
 
     /**
      * Listen to changes in the available and active audio devices.
@@ -96,6 +97,9 @@ constructor(private val context: Context) : AudioHandler {
         }
     }
 
+    @Volatile
+    private var preferredDeviceListBacking: List<Class<out AudioDevice>>? = null
+
     /**
      * The preferred priority of audio devices to use. The first available audio device will be used.
      *
@@ -104,8 +108,27 @@ constructor(private val context: Context) : AudioHandler {
      * 2. WiredHeadset
      * 3. Speakerphone
      * 4. Earpiece
+     *
+     * Changes to this value after [start] has been called will still be applied
+     * to the underlying [AbstractAudioSwitch] instance.
      */
-    var preferredDeviceList: List<Class<out AudioDevice>>? = null
+    var preferredDeviceList: List<Class<out AudioDevice>>?
+        get() = preferredDeviceListBacking
+        set(value) {
+            preferredDeviceListBacking = value
+            val list = value ?: defaultPreferredDeviceList
+            val h = handler
+            val sw = audioSwitch
+            if (h != null && sw != null) {
+                if (Looper.myLooper() == h.looper) {
+                    sw.setPreferredDeviceList(list)
+                } else {
+                    h.post {
+                        audioSwitch?.setPreferredDeviceList(list)
+                    }
+                }
+            }
+        }
 
     /**
      * When true, AudioSwitchHandler will request audio focus on start and abandon on stop.
@@ -199,7 +222,14 @@ constructor(private val context: Context) : AudioHandler {
             handler?.removeCallbacksAndMessages(null)
             handler?.postAtFrontOfQueue {
                 val switch =
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                        CommDeviceAudioSwitch(
+                            context = context,
+                            loggingEnabled = loggingEnabled,
+                            audioFocusChangeListener = onAudioFocusChangeDispatcher,
+                            preferredDeviceList = preferredDeviceList ?: defaultPreferredDeviceList,
+                        )
+                    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                         AudioSwitch(
                             context = context,
                             loggingEnabled = loggingEnabled,

sample-app-compose/src/main/java/io/livekit/android/composesample/CallActivity.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2025 LiveKit, Inc.
+ * Copyright 2023-2026 LiveKit, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import android.os.Parcelable
 import android.view.WindowManager
 import android.widget.Toast
 import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.compose.foundation.background
@@ -35,6 +36,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.safeDrawingPadding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.wrapContentSize
 import androidx.compose.foundation.lazy.LazyRow
@@ -107,6 +109,7 @@ class CallActivity : AppCompatActivity() {
 
     @OptIn(ExperimentalMaterialApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
+        enableEdgeToEdge()
         super.onCreate(savedInstanceState)
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 
@@ -198,6 +201,7 @@ class CallActivity : AppCompatActivity() {
             ConstraintLayout(
                 modifier = Modifier
                     .fillMaxSize()
+                    .safeDrawingPadding()
                     .background(MaterialTheme.colors.background),
             ) {
                 val (speakerView, audienceRow, buttonBar) = createRefs()

sample-app/src/main/java/io/livekit/android/sample/CallActivity.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2025 LiveKit, Inc.
+ * Copyright 2023-2026 LiveKit, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,9 +22,12 @@ import android.os.Parcelable
 import android.view.WindowManager
 import android.widget.EditText
 import android.widget.Toast
+import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
@@ -70,11 +73,19 @@ class CallActivity : AppCompatActivity() {
 
     @androidx.camera.camera2.interop.ExperimentalCamera2Interop
     override fun onCreate(savedInstanceState: Bundle?) {
+        enableEdgeToEdge()
         super.onCreate(savedInstanceState)
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         binding = CallActivityBinding.inflate(layoutInflater)
 
         setContentView(binding.root)
+        ViewCompat.setOnApplyWindowInsetsListener(binding.root) { v, windowInsets ->
+            val bars = windowInsets.getInsets(
+                WindowInsetsCompat.Type.systemBars() or WindowInsetsCompat.Type.displayCutout(),
+            )
+            v.setPadding(bars.left, bars.top, bars.right, bars.bottom)
+            windowInsets
+        }
 
         // Audience row setup
         val audienceAdapter = GroupieAdapter()