chick_mood/app/src/main/res/layout/activity_edit.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:background="@color/background_primary">

    <!-- 顶部导航栏 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:orientation="horizontal"
        android:gravity="center_vertical"
        android:background="@color/white"
        android:elevation="4dp">

        <ImageView
            android:id="@+id/back_button"
            android:layout_width="24dp"
            android:layout_height="24dp"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:src="@drawable/ic_arrow_back"
            android:background="?android:attr/selectableItemBackgroundBorderless"
            android:contentDescription="返回" />

        <TextView
            android:id="@+id/time_text"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="center"
            android:text="今天 14:30"
            android:textSize="16sp"
            android:textColor="@color/text_primary"
            android:textStyle="bold" />

        <!-- 占位，保持中间文字居中 -->
        <View
            android:layout_width="24dp"
            android:layout_height="24dp"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp" />

    </LinearLayout>

    <!-- 滚动内容区域 -->
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:fillViewport="true">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:padding="24dp"
            android:paddingBottom="120dp">

            <!-- 只读信息区域 -->
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:gravity="center"
                android:layout_marginBottom="32dp">

                <ImageView
                    android:id="@+id/chick_image"
                    android:layout_width="120dp"
                    android:layout_height="120dp"
                    android:layout_marginBottom="16dp"
                    android:src="@drawable/ic_emotion_happy"
                    android:scaleType="centerInside" />

                <TextView
                    android:id="@+id/mood_value_text"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="8dp"
                    android:text="88"
                    android:textSize="32sp"
                    android:textColor="@color/text_primary"
                    android:textStyle="bold" />

                <TextView
                    android:id="@+id/mood_text"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="18sp"
                    android:textColor="@color/text_secondary" />

            </LinearLayout>

            <!-- 文本输入区域 -->
            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="150dp"
                android:layout_marginBottom="24dp"
                android:background="@drawable/shape_edit_text_background">

                <EditText
                    android:id="@+id/text_input"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="top|start"
                    android:hint="记录一下此刻的心情..."
                    android:inputType="textMultiLine|textCapSentences"
                    android:maxLength="500"
                    android:scrollbars="vertical"
                    android:padding="12dp"
                    android:background="@android:color/transparent"
                    android:textColor="@color/text_primary"
                    android:textColorHint="@color/text_secondary"
                    android:textSize="16sp" />

            </FrameLayout>

            <!-- 字符计数 -->
            <TextView
                android:id="@+id/char_count_text"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="end"
                android:layout_marginBottom="24dp"
                android:text="0/500"
                android:textSize="12sp"
                android:textColor="@color/text_secondary" />

            <!-- 图片区域 -->
            <LinearLayout
                android:id="@+id/image_container"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:gravity="center">

                <!-- 添加图片按钮 -->
                <LinearLayout
                    android:id="@+id/add_image_button"
                    android:layout_width="match_parent"
                    android:layout_height="120dp"
                    android:orientation="vertical"
                    android:gravity="center"
                    android:background="@drawable/shape_image_background"
                    android:backgroundTint="@color/background_secondary"
                    android:clickable="true"
                    android:focusable="true">

                    <ImageView
                        android:layout_width="48dp"
                        android:layout_height="48dp"
                        android:layout_marginBottom="8dp"
                        android:src="@drawable/ic_add_photo"
                        android:tint="@color/text_secondary" />

                    <TextView
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="添加图片"
                        android:textSize="14sp"
                        android:textColor="@color/text_secondary" />

                </LinearLayout>

                <!-- 图片预览区域 -->
                <FrameLayout
                    android:id="@+id/image_preview"
                    android:layout_width="match_parent"
                    android:layout_height="200dp"
                    android:visibility="gone">

                    <ImageView
                        android:id="@+id/preview_image"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:scaleType="centerCrop"
                        android:background="@drawable/shape_image_background"
                        android:contentDescription="图片预览" />

                    <!-- 删除图片按钮 -->
                    <ImageView
                        android:id="@+id/remove_image_button"
                        android:layout_width="32dp"
                        android:layout_height="32dp"
                        android:layout_gravity="top|end"
                        android:layout_margin="8dp"
                        android:src="@drawable/ic_close"
                        android:background="@drawable/shape_circle_background"
                        android:backgroundTint="@color/error_color"
                        android:tint="@color/white"
                        android:contentDescription="删除图片"
                        android:visibility="gone" />

                </FrameLayout>

            </LinearLayout>

        </LinearLayout>

    </ScrollView>

    <!-- 底部保存按钮 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:background="@color/white"
        android:elevation="8dp"
        android:padding="16dp">

        <TextView
            android:id="@+id/save_button"
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:gravity="center"
            android:text="保存"
            android:textSize="16sp"
            android:textColor="@color/white"
            android:textStyle="bold"
            android:background="@drawable/shape_button_primary"
            android:backgroundTint="@color/primary"
            android:clickable="true"
            android:focusable="true" />

    </LinearLayout>

</LinearLayout>