上传绑定扫描优化

lib/modules/pairing/controllers/pairing_controller.dart

@@ -807,13 +807,12 @@ class PairingController extends GetxController with WidgetsBindingObserver {
       }
     } else {
       //未绑定设备
-
+      _bleManager.clearPairedDevices();
       Logger.i(_tag, '验证时BLE状态: $currentBleState');
       if (currentBleState == 2) {
         //已连接 清理
         // BleConnectionState.connected
         Logger.i(_tag, 'BLE已连接，断开并清理缓存');
-        _bleManager.clearPairedDevices();
         _bleManager.disconnect();
       }
     }

local_plugins/ble_service/android/src/main/kotlin/com/yunqiinnovation/ble_service/BleServicePlugin.kt

@@ -304,6 +304,7 @@ class BleServicePlugin : FlutterPlugin, MethodCallHandler, ActivityAware,
             }
             "clearAssociations" -> {
                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    bleCompanionManager.unregisterBackgroundScan() //停止后台扫描
                     bleCompanionManager.clearPairedMacAddress()
                     result.success(true)
                 } else {