update logic check height typingPreview

Assets/Prefabs/ChatSystem/prefab_ChatSystemUI.prefab

@@ -2044,10 +2044,10 @@ RectTransform:
   - {fileID: 2130739312226787242}
   m_Father: {fileID: 806170753671297629}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0.5}
-  m_AnchorMax: {x: 1, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 100}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 1, y: 1}
+  m_AnchoredPosition: {x: 0, y: -100}
+  m_SizeDelta: {x: 0, y: 450.9249}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!222 &1622721548801034628
 CanvasRenderer:

Assets/Scripts/ChatInputHandler.cs

@@ -997,30 +997,13 @@ namespace BrewMonster.Scripts.ChatUI
             inputField.ActivateInputField();
         }
 
-        float GetVisibleKeyboardHeight()
-        {
-            if (!TouchScreenKeyboard.visible)
-                return 0f;
-
-            Rect area = TouchScreenKeyboard.area;
-            return area.height > 0f ? area.height : 0f;
-        }
-
         void UpdateTypingPreviewFromInput()
         {
             if (inputField == null)
                 return;
 
             string body = ExtractMessageBodyFromVisual(inputField.text ?? "");
-            typingPreview?.UpdatePreview(inputField.isFocused, body, CanShowTypingPreviewNow());
-        }
-
-        bool CanShowTypingPreviewNow()
-        {
-            if (!Application.isMobilePlatform)
-                return false;
-
-            return TouchScreenKeyboard.visible;
+            typingPreview?.UpdatePreview(inputField.isFocused, body);
         }
 
         /// <summary>

Assets/Scripts/TypingPreviewController.cs

@@ -44,16 +44,33 @@ namespace BrewMonster.Scripts.ChatUI
             typingPreviewRect.anchoredPosition = previewPos;
         }
 
-        public void UpdatePreview(bool isInputFocused, string body, bool canShowPreview)
+        public void UpdatePreview(bool isInputFocused, string body)
         {
             if (typingPreviewRoot == null || typingPreviewText == null)
                 return;
 
             string trimmedBody = (body ?? string.Empty).Trim();
-            bool shouldShow = canShowPreview && isInputFocused && !string.IsNullOrEmpty(trimmedBody);
+            bool keyboardVisible = IsMobileKeyboardVisible();
+            bool shouldShow = keyboardVisible && isInputFocused && !string.IsNullOrEmpty(trimmedBody);
             typingPreviewRoot.SetActive(shouldShow);
             if (shouldShow)
                 typingPreviewText.text = trimmedBody;
         }
+
+        bool IsMobileKeyboardVisible()
+        {
+            if (!Application.isMobilePlatform)
+                return false;
+            return GetVisibleKeyboardHeight() > 0f || TouchScreenKeyboard.visible;
+        }
+
+        float GetVisibleKeyboardHeight()
+        {
+            if (!TouchScreenKeyboard.visible)
+                return 0f;
+
+            Rect area = TouchScreenKeyboard.area;
+            return area.height > 0f ? area.height : 0f;
+        }
     }
 }