From 104d70d465dcff58e99ca1f989df4272e7c7566f Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Thu, 29 Oct 2026 02:34:14 +0100
Subject: [PATCH] Handle audio device menu launch errors and document UI
 ownership

---
 .../ui/components/MediaAudioDeviceButton.kt     | 17 +++++++++++++----
 .../main/java/com/utun/chat/ui/theme/Theme.kt   |  1 +
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/components/MediaAudioDeviceButton.kt b/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/components/MediaAudioDeviceButton.kt
index 6d1a1d3e..ae1ab11c 100644
--- a/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/components/MediaAudioDeviceButton.kt
+++ b/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/components/MediaAudioDeviceButton.kt
@@ -3,6 +3,7 @@ package com.utun.chat.ui.components
 import android.Manifest
 import android.content.pm.PackageManager
 import android.os.Build
+import android.widget.Toast
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.layout.*
@@ -25,7 +26,10 @@ import com.utun.chat.data.MediaAudioController
 import com.utun.chat.data.MediaAudioProfile
 import com.utun.chat.data.LogManager
 
-/** Один выбор для рации и трансляций; при заданном expanded состоянием и закрытием управляет владелец. */
+/** Общий профиль рации/трансляций: preferred и actual раздельны, недоступные устройства выключены.
+ * expanded=null хранит transient menu state локально; иначе caller управляет им через onExpandedChange.
+ * Для Bluetooth на API 31+ выбор применяется после permission ACK; отказ сохраняет прежний профиль.
+ */
 @Composable
 fun MediaAudioDeviceButton(tint: Color = LocalContentColor.current, expanded: Boolean? = null,
                           properties: PopupProperties = PopupProperties(focusable = true), onExpandedChange: (Boolean) -> Unit = {}) {
@@ -66,9 +70,14 @@ fun MediaAudioDeviceButton(tint: Color = LocalContentColor.current, expanded: Bo
                 DropdownMenuItem(text = { Text(stringResource(label)) }, enabled = available,
                     trailingIcon = { if (state.preferred == profile) Text("✓") }, onClick = {
                         expand(false)
-                        if (profile == MediaAudioProfile.BLUETOOTH && !bluetoothPermission)
-                            permission.launch(Manifest.permission.BLUETOOTH_CONNECT)
-                        else MediaAudioController.select(profile)
+                        try {
+                            if (profile == MediaAudioProfile.BLUETOOTH && !bluetoothPermission)
+                                permission.launch(Manifest.permission.BLUETOOTH_CONNECT)
+                            else MediaAudioController.select(profile)
+                        } catch (e: Exception) {
+                            LogManager.addLog("ERROR", "media_audio", "Device selection request failed profile=$profile: $e")
+                            Toast.makeText(context, R.string.media_audio_failed, Toast.LENGTH_LONG).show()
+                        }
                     })
             }
             HorizontalDivider()
diff --git a/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/theme/Theme.kt b/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/theme/Theme.kt
index 555c6405..61c4422d 100644
--- a/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/theme/Theme.kt
+++ b/tools/chatgui-android/app/src/main/java/com/utun/chat/ui/theme/Theme.kt
@@ -44,6 +44,7 @@ private val DarkColors = darkColorScheme(
     scrim = Color.Black
 )
 
+/** Постоянная Material3 dark palette и фоновый Surface на весь контейнер; системная/dynamic тема не выбирается. */
 @Composable
 fun VibeChatTheme(content: @Composable () -> Unit) {
     LaunchedEffect(Unit) {