src/Notes-master/res/layout/fragment_chat.xml

@@ -0,0 +1,44 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#EDEDED"> <!-- 微信经典的浅灰背景 -->
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rv_chat_list"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_above="@+id/input_layout"
+        android:clipToPadding="false"
+        android:padding="10dp" />
+
+    <LinearLayout
+        android:id="@+id/input_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:background="#F7F7F7"
+        android:elevation="4dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:padding="8dp">
+
+        <EditText
+            android:id="@+id/et_chat_input"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="@android:drawable/editbox_background_normal"
+            android:hint="向 AI 助理提问..."
+            android:maxLines="4"
+            android:padding="10dp" />
+
+        <Button
+            android:id="@+id/btn_chat_send"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="8dp"
+            android:backgroundTint="#FFD700"
+            android:text="发送"
+            android:textColor="#000000" />
+    </LinearLayout>
+</RelativeLayout>