fix: return@try 语法错误 — 改用 if(started) 包裹 STOP 逻辑

app/src/main/java/com/qwenpaw/miracast/AirDisplayService.kt

@@ -68,17 +68,18 @@ class AirDisplayService : Service() {
                 }
                 ACTION_STOP -> {
                     Log.w(TAG, "  收到 STOP (started=$started)")
-                    if (!started) return@try START_NOT_STICKY
-                    started = false // 立即标记，防止重复 STOP
-                    scope.launch {
-                        Log.w(TAG, "  manager.stop()...")
-                        manager.stop()
-                        Log.w(TAG, "  manager.destroy()...")
-                        manager.destroy()
-                        Log.w(TAG, "  stop/destroy 完成")
+                    if (started) {
+                        started = false
+                        scope.launch {
+                            Log.w(TAG, "  manager.stop()...")
+                            manager.stop()
+                            Log.w(TAG, "  manager.destroy()...")
+                            manager.destroy()
+                            Log.w(TAG, "  stop/destroy 完成")
+                        }
+                        stopForeground(STOP_FOREGROUND_REMOVE)
+                        stopSelf()
                     }
-                    stopForeground(STOP_FOREGROUND_REMOVE)
-                    stopSelf()
                 }
             }
             START_NOT_STICKY