android: рация — единый режим per-канал, не гаснет при выходе/заходе в группу

tools/chatgui-android/app/src/main/java/com/utun/chat/MainActivity.kt

@@ -149,7 +149,7 @@ class MainActivity : ComponentActivity() {
                     Screen.MemberList -> screen = Screen.Chat
                     Screen.VideoRecord -> screen = Screen.Chat
                     Screen.PhotoRecord -> screen = Screen.Chat
-                    Screen.Chat -> { vm.radioOff(); screen = Screen.ChannelList }
+                    Screen.Chat -> screen = Screen.ChannelList
                     Screen.Dm -> { vm.closeDm(); screen = Screen.ChannelList }
                     Screen.Call -> screen = screenBeforeCall ?: Screen.ChannelList
                     else -> screen = Screen.ChannelList

tools/chatgui-android/app/src/main/java/com/utun/chat/viewmodel/ChatViewModel.kt

@@ -67,6 +67,9 @@ class ChatViewModel : ViewModel() {
 
     private var radioToggleCount = 0
 
+    /* рация: активный канал (null = выключена). Одна рация — один канал. */
+    private var radioChannelId: String? = null
+
     private var callStartedMs = 0L
     private var callIncomingAtMs = 0L
 
@@ -509,6 +512,7 @@ class ChatViewModel : ViewModel() {
                 if (data.size < 1 + cl) return
                 val chId = String(data, 1, cl)
                 LogManager.addLog("INFO", "VM", "CHANNEL_DELETED ch=$chId")
+                if (radioChannelId == chId) turnRadioOff()
                 if (_currentChannel.value?.id == chId) {
                     _currentChannel.value = null
                     _messages.value = emptyList()
@@ -741,21 +745,28 @@ class ChatViewModel : ViewModel() {
     fun toggleRadio() {
         val ch = _currentChannel.value ?: return
         val groupId = ch.id.toULongOrNull()?.toLong() ?: return
-        val next = !_radioActive.value
+        val wasOnHere = radioChannelId == ch.id
+        val next = !wasOnHere
         radioToggleCount++
         val caller = Throwable().stackTrace.drop(1).take(8)
             .joinToString(" <- ") { "${it.className.substringAfterLast('.')}.${it.methodName}:${it.lineNumber}" }
         LogManager.addLog("DEBUG", "RADIO_DBG",
             "toggleRadio#$radioToggleCount next=$next prevActive=${_radioActive.value} " +
+            "radioChannelId=$radioChannelId cur=${ch.id} " +
             "thread=${Thread.currentThread().name} t=${System.currentTimeMillis()} caller=$caller")
-        NativeLib.radioSetActive(groupId, next)
-        _radioActive.value = next
         if (next) {
+            radioChannelId?.takeIf { it != ch.id }?.toULongOrNull()?.toLong()
+                ?.let { NativeLib.radioSetActive(it, false) }   /* выключаем старый канал */
+            radioChannelId = ch.id
+            NativeLib.radioSetActive(groupId, true)
             radioAudio.start(groupId)
         } else {
-            _radioTalking.value = null
+            radioChannelId = null
+            NativeLib.radioSetActive(groupId, false)
             radioAudio.stop()
+            _radioTalking.value = null
         }
+        _radioActive.value = next
         syncRadioOverlay()
         LogManager.addLog("INFO", "VM", "toggleRadio -> ${if (next) "on" else "off"} group=$groupId")
     }
@@ -770,23 +781,25 @@ class ChatViewModel : ViewModel() {
         radioAudio.talkEnd()
     }
 
-    fun radioOff() {
-        if (!_radioActive.value && !radioAudio.isActive()) return
-        val ch = _currentChannel.value ?: return
-        val groupId = ch.id.toULongOrNull()?.toLong() ?: return
-        NativeLib.radioSetActive(groupId, false)
+    /* Полностью выключить рацию (используется при удалении активного канала). */
+    private fun turnRadioOff() {
+        val chId = radioChannelId ?: return
+        chId.toULongOrNull()?.toLong()?.let { NativeLib.radioSetActive(it, false) }
+        radioChannelId = null
         _radioActive.value = false
         _radioTalking.value = null
         radioAudio.stop()
+        syncRadioOverlay()
     }
 
     private fun syncRadioOverlay() {
         val ctx = ChatApplication.instance
         val overlayEnabled = ctx.configProvider.getRadioOverlay()
+        val radioOn = radioChannelId != null
         LogManager.addLog("DEBUG", "RADIO_DBG",
-            "syncRadioOverlay active=${_radioActive.value} overlayEnabled=$overlayEnabled " +
+            "syncRadioOverlay radioOn=$radioOn channel=$radioChannelId overlayEnabled=$overlayEnabled " +
             "isShown=${RadioOverlayService.isShown.value} t=${System.currentTimeMillis()}")
-        if (_radioActive.value && overlayEnabled)
+        if (radioOn && overlayEnabled)
             RadioOverlayService.start(ctx)
         else
             RadioOverlayService.stop(ctx)
@@ -863,8 +876,9 @@ class ChatViewModel : ViewModel() {
 
     fun selectChannel(channel: Channel) {
         val r = repo ?: return
-        radioOff()   /* рацию выключаем при переключении канала */
         _currentChannel.value = channel
+        _radioActive.value = (radioChannelId == channel.id)
+        if (radioChannelId != channel.id) _radioTalking.value = null
         _soundOn.value = NativeLib.getSoundOnMessage(channel.id)
         NotificationSound.setMuted(channel.id, !_soundOn.value)
         r.connectChannel(channel.id)
@@ -1028,6 +1042,7 @@ class ChatViewModel : ViewModel() {
         val r = repo ?: return
         LogManager.addLog("INFO", "VM", "deleteChannel ch=$channelId")
         r.deleteChannel(channelId)
+        if (radioChannelId == channelId) turnRadioOff()
         if (_currentChannel.value?.id == channelId) {
             _currentChannel.value = null
             _messages.value = emptyList()