<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/dynamic_bg_morning_title"
        android:textSize="16sp"
        android:layout_marginTop="16dp"
        android:layout_marginBottom="8dp" />

    <Spinner
        android:id="@+id/spinner_morning_bg"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp" />

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/dynamic_bg_afternoon_title"
        android:textSize="16sp"
        android:layout_marginTop="16dp"
        android:layout_marginBottom="8dp" />

    <Spinner
        android:id="@+id/spinner_afternoon_bg"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp" />

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/dynamic_bg_evening_title"
        android:textSize="16sp"
        android:layout_marginTop="16dp"
        android:layout_marginBottom="8dp" />

    <Spinner
        android:id="@+id/spinner_evening_bg"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="16dp" />

    <Button
        android:id="@+id/btn_save_bg_settings"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="保存设置"
        android:layout_marginTop="24dp" />

</LinearLayout> 