Add a common audio device selector for radio and streams

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/components/MediaAudioDeviceButton.kt

@@ -0,0 +1,66 @@
+package com.utun.chat.ui.components
+
+import android.Manifest
+import android.content.pm.PackageManager
+import android.os.Build
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.layout.Box
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.VolumeUp
+import androidx.compose.material.icons.filled.HeadsetMic
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.core.content.ContextCompat
+import com.utun.chat.R
+import com.utun.chat.data.MediaAudioController
+import com.utun.chat.data.MediaAudioProfile
+import com.utun.chat.data.LogManager
+
+/** Один выбор для панели рации, публикации и всех экранов просмотра. */
+@Composable
+fun MediaAudioDeviceButton(tint: Color = LocalContentColor.current, onExpandedChange: (Boolean) -> Unit = {}) {
+    val state by MediaAudioController.state.collectAsState()
+    val context = LocalContext.current
+    var expanded by remember { mutableStateOf(false) }
+    val permission = rememberLauncherForActivityResult(ActivityResultContracts.RequestPermission()) { granted ->
+        if (granted) MediaAudioController.select(MediaAudioProfile.BLUETOOTH)
+        else LogManager.addLog("WARN", "media_audio", "Bluetooth selection cancelled: BLUETOOTH_CONNECT denied")
+    }
+    val bluetoothPermission = Build.VERSION.SDK_INT < 31 ||
+        ContextCompat.checkSelfPermission(context, Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED
+    fun expand(value: Boolean) { expanded = value; onExpandedChange(value) }
+    val labels = mapOf(MediaAudioProfile.AUTO to R.string.media_audio_auto, MediaAudioProfile.PHONE to R.string.media_audio_phone,
+        MediaAudioProfile.WIRED to R.string.media_audio_wired, MediaAudioProfile.BLUETOOTH to R.string.media_audio_bluetooth)
+    Box {
+        IconButton(onClick = { expand(true) }) {
+            Icon(if (state.active == MediaAudioProfile.PHONE) Icons.AutoMirrored.Filled.VolumeUp else Icons.Filled.HeadsetMic,
+                stringResource(R.string.media_audio_devices, stringResource(labels.getValue(state.preferred))),
+                tint = if (state.notice != null) MaterialTheme.colorScheme.error else tint)
+        }
+        DropdownMenu(expanded, onDismissRequest = { expand(false) }) {
+            for ((profile, label) in labels) {
+                val available = when (profile) {
+                    MediaAudioProfile.WIRED -> state.wiredAvailable
+                    MediaAudioProfile.BLUETOOTH -> state.bluetoothAvailable || !bluetoothPermission
+                    else -> true
+                }
+                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)
+                    })
+            }
+            HorizontalDivider()
+            DropdownMenuItem(text = { Text(stringResource(R.string.media_audio_actual, state.inputName ?: "—", state.outputName ?: "—")) },
+                onClick = {}, enabled = false)
+            if (state.switching) DropdownMenuItem(text = { Text(stringResource(R.string.media_audio_switching)) }, onClick = {}, enabled = false)
+            state.notice?.let { notice -> DropdownMenuItem(text = { Text(stringResource(notice), color = MaterialTheme.colorScheme.error) }, onClick = {}) }
+        }
+    }
+}

tools/chatgui-android/app/src/main/res/values-ru/strings.xml

@@ -582,4 +582,13 @@
     <string name="block_incoming_calls_description">Отклонять входящие звонки vibechat без рингтона</string>
     <string name="block_incoming_radio">Отклонять все вызовы по рации</string>
     <string name="block_incoming_radio_description">Отклонять приглашения; включённая рация продолжит работать</string>
+    <string name="media_audio_devices">Аудиоустройство: %1$s</string>
+    <string name="media_audio_auto">Автоматически</string>
+    <string name="media_audio_phone">Телефон</string>
+    <string name="media_audio_wired">Проводное / USB</string>
+    <string name="media_audio_bluetooth">Bluetooth</string>
+    <string name="media_audio_actual">Микрофон: %1$s\nВыход: %2$s</string>
+    <string name="media_audio_switching">Переключение аудиоустройства…</string>
+    <string name="media_audio_fallback">Выбранное устройство отключено. Используется микрофон и динамик телефона.</string>
+    <string name="media_audio_failed">Не удалось использовать выбранное аудиоустройство. Проверьте текущие микрофон и выход.</string>
 </resources>

tools/chatgui-android/app/src/main/res/values/strings.xml

@@ -581,4 +581,13 @@
     <string name="block_incoming_calls_description">Reject incoming vibechat calls without ringing</string>
     <string name="block_incoming_radio">Reject all radio calls</string>
     <string name="block_incoming_radio_description">Reject radio invitations; the channel radio keeps working</string>
+    <string name="media_audio_devices">Audio device: %1$s</string>
+    <string name="media_audio_auto">Automatic</string>
+    <string name="media_audio_phone">Phone</string>
+    <string name="media_audio_wired">Wired / USB</string>
+    <string name="media_audio_bluetooth">Bluetooth</string>
+    <string name="media_audio_actual">Microphone: %1$s\nOutput: %2$s</string>
+    <string name="media_audio_switching">Switching audio device…</string>
+    <string name="media_audio_fallback">The selected device is disconnected. Phone audio is in use.</string>
+    <string name="media_audio_failed">Could not use the selected audio device. Check the current microphone and output.</string>
 </resources>