修改观察者模式提示连接设备bug；新版本设备连接bug；单开限定

Assets/Scripts/UI/Prefab/Device/DeviceView.cs

@@ -70,10 +70,12 @@ public class DeviceView : MonoBehaviour
         mSearchButton = unconnectionPanel.transform.Find("SearchButton").gameObject;
         mPairButton = unconnectionPanel.transform.Find("PairButton").gameObject;
         searchState = unconnectionPanel.transform.Find("SearchState").GetComponent<Text>();
-        unconnectionButton = unconnectionPanel.GetComponent<Button>();
         mPairButton.SetActive(false);
         connectionPanel = this.transform.Find("ConnectionPanel").gameObject;
+#if UNITY_IOS || UNITY_ANDROID
+        unconnectionButton = unconnectionPanel.GetComponent<Button>();
         connectionButton = connectionPanel.GetComponent<Button>();
+#endif        
         var material = Instantiate(Resources.Load<Material>("UI/Material/RoundedCornersTextureMaterial"));        
         var rect = ((RectTransform)transform).rect;
         material.SetVector(Shader.PropertyToID("_WidthHeightRadius"), new Vector4(rect.width, rect.height, rect.height * 0.2f, 0));
@@ -125,7 +127,7 @@ public class DeviceView : MonoBehaviour
         title.text = GetTitle();
 
         connectionPanel.SetActive(false);
-
+#if UNITY_IOS || UNITY_ANDROID
         UIManager.AddEvent(unconnectionButton.gameObject, EventTriggerType.PointerClick, new UnityAction<UnityEngine.EventSystems.BaseEventData>(e =>
         {
             if (!mPairButton.activeSelf)
@@ -134,13 +136,13 @@ public class DeviceView : MonoBehaviour
             }
             connectButtonClick();
         }));
-
+#endif
 
         UIManager.AddEvent(mPairButton, EventTriggerType.PointerClick, new UnityAction<UnityEngine.EventSystems.BaseEventData>(e =>
         {
             connectButtonClick();
         }));
-
+#if UNITY_IOS || UNITY_ANDROID
         UIManager.AddEvent(connectionButton.gameObject, EventTriggerType.PointerClick, new UnityEngine.Events.UnityAction<BaseEventData>(e => {
             if (!connectionPanel.activeSelf)
             {
@@ -148,6 +150,7 @@ public class DeviceView : MonoBehaviour
             }
             mDisconnectButtonClick();
         }));
+#endif
 
 
         UIManager.AddEvent(mDisconnectButton, EventTriggerType.PointerClick, new UnityEngine.Events.UnityAction<BaseEventData>(e => {
@@ -283,6 +286,7 @@ public class DeviceView : MonoBehaviour
             else {
                 hasDevice = App.MainDeviceAdapter.GetDevices().Any(d => d.Sensor == SensorType);
             }
+            Debug.Log(hasDevice);
             if (hasDevice)
             {
                 mSearchButton.SetActive(false);