<?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:background="@drawable/bgimage"
    android:paddingTop="15dp"
    android:orientation="vertical">

    <!-- Fragment 容器 -->
    <FrameLayout
        android:id="@+id/fragment_container"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />

    <!-- 底部导航栏 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:orientation="horizontal"
        android:elevation="8dp">

        <!-- Home 按钮 -->
        <LinearLayout
            android:id="@+id/homeLayout"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            android:gravity="center"
            android:background="?attr/selectableItemBackground"
            android:clickable="true"
            android:focusable="true">

            <ImageView
                android:id="@+id/homeIcon"
                android:layout_width="35dp"
                android:layout_height="35dp"
                android:src="@drawable/ic_home_disabled" />

        </LinearLayout>

        <!-- Collection 按钮 -->
        <LinearLayout
            android:id="@+id/collectionLayout"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            android:gravity="center"
            android:background="?attr/selectableItemBackground"
            android:clickable="true"
            android:focusable="true">

            <ImageView
                android:id="@+id/collectionIcon"
                android:layout_width="35dp"
                android:layout_height="35dp"
                android:src="@drawable/ic_collection_disabled" />

        </LinearLayout>

        <!-- Settings 按钮 -->
        <LinearLayout
            android:id="@+id/settingsLayout"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            android:gravity="center"
            android:background="?attr/selectableItemBackground"
            android:clickable="true"
            android:focusable="true">

            <ImageView
                android:id="@+id/settingsIcon"
                android:layout_width="35dp"
                android:layout_height="35dp"
                android:src="@drawable/ic_settings_disabled" />

        </LinearLayout>

    </LinearLayout>

</LinearLayout>