Keep Android capture ownership until device release and update busy messages

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

@@ -19,9 +19,10 @@ class MicrophoneCapture(private val device: Device, private val log: (String, St
     data class Ptt(val pressed: Boolean) : Event
     private val consumers = mutableListOf<Subscription>()
     @Volatile private var reading = true
+    @Volatile private var disposed = false
     @Volatile private var failure: Exception? = null
     private var worker: Thread? = null
-    val closed: Boolean get() = !reading
+    val closed: Boolean get() = disposed
     val inputId: Int? get() = device.inputId
     val channels: Int get() = device.channels
 
@@ -83,6 +84,7 @@ class MicrophoneCapture(private val device: Device, private val log: (String, St
         if (!last) return
         try { device.stop() } catch (e: Exception) { log("WARN", "capture stop failed: ${e.message}") }
         worker?.join()
-        try { device.close() } finally { released() }
+        try { device.close() } catch (e: Exception) { log("ERROR", "capture release failed: ${e.message}") }
+        finally { disposed = true; released() }
     }
 }

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

@@ -36,7 +36,7 @@
     <string name="stream_close_view">Закрыть просмотр</string>
     <string name="stream_front_camera">Фронтальная камера</string>
     <string name="stream_back_camera">Задняя камера</string>
-    <string name="stream_resources_busy">Остановите активный звонок, рацию, запись или трансляцию перед новым захватом</string>
+    <string name="stream_resources_busy">Остановите активный звонок, запись или трансляцию перед новым захватом</string>
     <string name="microphone_permission_calls">"Для звонков и PTT разрешите доступ к микрофону"</string>
     <string name="microphone_request_failed">"Не удалось запросить доступ к микрофону"</string>
     <string name="microphone_permission_settings">"Доступ к микрофону запрещён. Разрешите его в настройках приложения, затем повторите звонок или нажатие PTT."</string>

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

@@ -36,7 +36,7 @@
     <string name="stream_close_view">Close player</string>
     <string name="stream_front_camera">Front camera</string>
     <string name="stream_back_camera">Back camera</string>
-    <string name="stream_resources_busy">Stop the active call, radio, recording or stream before starting another capture</string>
+    <string name="stream_resources_busy">Stop the active call, recording or stream before starting another capture</string>
     <string name="microphone_permission_calls">"Allow microphone access for calls and PTT"</string>
     <string name="microphone_request_failed">"Could not request microphone access"</string>
     <string name="microphone_permission_settings">"Microphone access is denied. Allow it in app settings, then try the call or PTT again."</string>