Update InputAdaptation.md

修改键盘适配示例

Design/InputAdaptation.md

 # 输入法适配
 
 在小游戏中Unity游戏唤不起输入法，需要使用WX_SDK中提供的方法来唤起输入法，并做简单的逻辑修改来适配。
-如下以UGUI的Input组件为例，需要给Input 绑定以下脚本：
+
+详细示例请参考[API Demo](https://github.com/wechat-miniprogram/minigame-unity-webgl-transform/tree/main/Demo/API)
+
+以UGUI的Input组件为例，需要给Input 绑定以下脚本：
 ```
 public class Inputs : MonoBehaviour, IPointerClickHandler, IPointerExitHandler
 {
     public InputField input;
+    private bool isShowKeyboad = false;
     public void OnPointerClick(PointerEventData eventData)
     {
         Debug.Log("ooooo");
-        WX.ShowKeyboard(new ShowKeyboardOption()
-        {
-            defaultValue = "xxx",
-            maxLength = 20,
-            confirmType = "go"
-        });
-
-        //绑定回调
-        WX.OnKeyboardConfirm(OnConfirm);
-        WX.OnKeyboardComplete(OnComplete);
-        WX.OnKeyboardInput(OnInput);
+        ShowKeyboad();
     }
 
     public void OnPointerExit(PointerEventData eventData)
@@ -27,11 +21,7 @@ public class Inputs : MonoBehaviour, IPointerClickHandler, IPointerExitHandler
         // 隐藏输入法
         if (!input.isFocused)
         {
-            WX.HideKeyboard(new HideKeyboardOption());
-            //删除掉相关事件监听
-            WX.OffKeyboardInput(OnInput);
-            WX.OffKeyboardConfirm(OnConfirm);
-            WX.OffKeyboardComplete(OnComplete);
+            HideKeyboad();
         }
 
     }
@@ -52,6 +42,7 @@ public class Inputs : MonoBehaviour, IPointerClickHandler, IPointerExitHandler
         // 输入法confirm回调
         Debug.Log("onConfirm");
         Debug.Log(v.value);
+        HideKeyboad();
     }
 
     public void OnComplete(OnKeyboardInputCallbackResult v)
@@ -59,12 +50,39 @@ public class Inputs : MonoBehaviour, IPointerClickHandler, IPointerExitHandler
         // 输入法complete回调
         Debug.Log("OnComplete");
         Debug.Log(v.value);
+        HideKeyboad();
     }
 
-
-    void Start()
+    private void ShowKeyboad()
     {
+        if (!isShowKeyboad)
+        {
+            WX.ShowKeyboard(new ShowKeyboardOption()
+            {
+                defaultValue = "xxx",
+                maxLength = 20,
+                confirmType = "go"
+            });
 
+            //绑定回调
+            WX.OnKeyboardConfirm(OnConfirm);
+            WX.OnKeyboardComplete(OnComplete);
+            WX.OnKeyboardInput(OnInput);
+            isShowKeyboad = true;
+        }
+    }
+
+    private void HideKeyboad()
+    {
+        if (isShowKeyboad)
+        {
+            WX.HideKeyboard(new HideKeyboardOption());
+            //删除掉相关事件监听
+            WX.OffKeyboardInput(OnInput);
+            WX.OffKeyboardConfirm(OnConfirm);
+            WX.OffKeyboardComplete(OnComplete);
+            isShowKeyboad = false;
+        }
     }
 
 }