diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 50ce187..2f6eac5 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -38,7 +38,7 @@
         </receiver>
 
         <activity
-            android:name=".MainActivity"
+            android:name=".activity.HomeActivity"
             android:configChanges="orientation|screenSize"
             android:exported="true"
             android:label="@string/app_name"
@@ -59,6 +59,10 @@
             android:windowSoftInputMode="adjustPan" />
         <activity android:name="com.sw.inbound.activity.LocalImagePreviewActivity" />
         <activity android:name="com.sw.inbound.activity.PurchaseOrderActivity" />
+        <!-- 首页 Activity（XML 版本，对应 HomeScreen.kt Compose 版本） -->
+        <activity
+            android:name="com.sw.inbound.MainActivity"
+            android:screenOrientation="landscape" />
 
         <!--        <activity-->
 <!--            android:name=".InitActivity"-->
diff --git a/app/src/main/java/com/sw/inbound/activity/FoodCollectionActivity.kt b/app/src/main/java/com/sw/inbound/activity/FoodCollectionActivity.kt
index 9128989..aac0688 100644
--- a/app/src/main/java/com/sw/inbound/activity/FoodCollectionActivity.kt
+++ b/app/src/main/java/com/sw/inbound/activity/FoodCollectionActivity.kt
@@ -10,7 +10,7 @@ import android.text.TextUtils
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
-import androidx.activity.ComponentActivity
+import com.sw.inbound.base.BaseActivity
 import androidx.activity.viewModels
 import androidx.camera.view.PreviewView
 import androidx.core.view.updateLayoutParams
@@ -68,7 +68,7 @@ import java.io.File
  */
 @SuppressLint("NotifyDataSetChanged")
 @AndroidEntryPoint
-class FoodCollectionActivity : ComponentActivity() {
+class FoodCollectionActivity : BaseActivity() {
 
     companion object {
         const val TAG = "FoodCollectionActivity"
diff --git a/app/src/main/java/com/sw/inbound/activity/GoodsListActivity.kt b/app/src/main/java/com/sw/inbound/activity/GoodsListActivity.kt
index 4cb7c8e..e2bc48a 100644
--- a/app/src/main/java/com/sw/inbound/activity/GoodsListActivity.kt
+++ b/app/src/main/java/com/sw/inbound/activity/GoodsListActivity.kt
@@ -9,7 +9,7 @@ import android.text.style.ForegroundColorSpan
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
-import androidx.activity.ComponentActivity
+import com.sw.inbound.base.BaseActivity
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.viewModels
 import androidx.camera.view.PreviewView
@@ -70,7 +70,7 @@ import kotlin.math.min
 typealias RecognizeCallback = (List<SearchGoodsInfo.Record>) -> Unit
 
 @AndroidEntryPoint
-abstract class GoodsListActivity : ComponentActivity() {
+abstract class GoodsListActivity : BaseActivity() {
 
     companion object {
         private const val TAG = "GoodsListActivity"
diff --git a/app/src/main/java/com/sw/inbound/activity/HomeActivity.kt b/app/src/main/java/com/sw/inbound/activity/HomeActivity.kt
new file mode 100644
index 0000000..0c685b6
--- /dev/null
+++ b/app/src/main/java/com/sw/inbound/activity/HomeActivity.kt
@@ -0,0 +1,131 @@
+package com.sw.inbound.activity
+
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import androidx.activity.viewModels
+import com.sw.inbound.base.BaseActivity
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
+import com.sw.inbound.databinding.ActivityHomeBinding
+import com.sw.inbound.model.response.User
+import com.sw.inbound.objbox.FoodModule
+import com.sw.inbound.sdk.SensorScaleUtils
+import com.sw.inbound.utils.DateTimeUtils
+import com.sw.inbound.utils.ThreadUtils
+import com.sw.inbound.utils.ext.gone
+import com.sw.inbound.utils.ext.startActivity
+import com.sw.inbound.utils.ext.visible
+import com.sw.inbound.viewmodel.UserViewModel
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.launch
+
+/**
+ * 首页 Activity（XML 版本）
+ * 对应原 HomeScreen.kt Compose 版本，原文件保留不动
+ * 功能：展示标题栏（含实时时间或用户信息）和两个功能入口（采购单入库、自采入库）
+ */
+@AndroidEntryPoint
+class HomeActivity : BaseActivity() {
+
+    private lateinit var binding: ActivityHomeBinding
+
+    /** 用于获取用户信息的 ViewModel */
+    private val viewModel: UserViewModel by viewModels()
+
+    /** 每秒刷新当前时间的 Handler */
+    private val handler = Handler(Looper.getMainLooper())
+
+    /** 时间刷新任务，每 1 秒更新一次标题栏右侧时间文字 */
+    private val timeRunnable = object : Runnable {
+        override fun run() {
+            binding.tvTime.text = DateTimeUtils.getChineseDateString()
+            handler.postDelayed(this, 1000)
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityHomeBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        initViews()
+        observeUser()
+        SensorScaleUtils.startScale(autoScale = true)
+        lifecycleScope.launch {
+            FoodModule.init(this@HomeActivity)
+        }
+    }
+
+    override fun onDestroy() {
+        SensorScaleUtils.closeScale()
+        ThreadUtils.release()
+        super.onDestroy()
+    }
+
+    /**
+     * 初始化各控件的点击事件
+     */
+    private fun initViews() {
+        // 标题点击：跳转菜品采集页面
+        binding.tvTitle.setOnClickListener {
+            startActivity<FoodCollectionActivity>()
+        }
+
+        // 采购单入库入口
+        binding.ivOrderPurchase.setOnClickListener {
+            startActivity<PurchaseOrderActivity>()
+        }
+
+        // 自采入库入口，传入非采购单标志
+        binding.ivOrderSelfProcurement.setOnClickListener {
+            startActivity<SelfProcurementActivity> {
+                putExtra(GoodsListActivity.IS_RECEIPT_PAGE, false)
+            }
+        }
+    }
+
+    /**
+     * 观察用户登录状态，动态切换标题栏右侧显示内容：
+     * - 已登录：显示用户名 + 退出图标
+     * - 未登录：显示实时时间
+     */
+    private fun observeUser() {
+        lifecycleScope.launch {
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                viewModel.user.collect { user ->
+                    updateUserView(user)
+                }
+            }
+        }
+    }
+
+    /**
+     * 根据登录状态切换标题栏右侧 UI
+     * @param user 当前用户信息，为 null 表示未登录
+     */
+    private fun updateUserView(user: User?) {
+        if (user != null) {
+            // 已登录：显示用户名和退出图标，隐藏时间
+            binding.tvTime.gone()
+            binding.llUserInfo.visible()
+            binding.tvUserName.text = user.name ?: "用户"
+        } else {
+            // 未登录：显示实时时间，隐藏用户信息
+            binding.llUserInfo.gone()
+            binding.tvTime.visible()
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        // 页面可见时启动时间刷新
+        handler.post(timeRunnable)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        // 页面不可见时停止刷新，避免内存泄漏
+        handler.removeCallbacks(timeRunnable)
+    }
+}
diff --git a/app/src/main/java/com/sw/inbound/activity/LocalImagePreviewActivity.kt b/app/src/main/java/com/sw/inbound/activity/LocalImagePreviewActivity.kt
index e62d3e3..dd59d8a 100644
--- a/app/src/main/java/com/sw/inbound/activity/LocalImagePreviewActivity.kt
+++ b/app/src/main/java/com/sw/inbound/activity/LocalImagePreviewActivity.kt
@@ -4,7 +4,7 @@ import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.ViewGroup
-import androidx.activity.ComponentActivity
+import com.sw.inbound.base.BaseActivity
 import androidx.recyclerview.widget.GridLayoutManager
 import coil.load
 import com.chad.library.adapter4.BaseQuickAdapter
@@ -15,7 +15,7 @@ import com.sw.inbound.dialog.Loading
 import com.sw.inbound.utils.ext.copyText
 import java.io.File
 
-class LocalImagePreviewActivity : ComponentActivity() {
+class LocalImagePreviewActivity : BaseActivity() {
 
     private lateinit var binding: ActivityLocalImagePreviewBinding
 
diff --git a/app/src/main/java/com/sw/inbound/activity/PurchaseOrderActivity.kt b/app/src/main/java/com/sw/inbound/activity/PurchaseOrderActivity.kt
index c13a034..20409dd 100644
--- a/app/src/main/java/com/sw/inbound/activity/PurchaseOrderActivity.kt
+++ b/app/src/main/java/com/sw/inbound/activity/PurchaseOrderActivity.kt
@@ -2,7 +2,7 @@ package com.sw.inbound.activity
 
 import android.annotation.SuppressLint
 import android.os.Bundle
-import androidx.activity.ComponentActivity
+import com.sw.inbound.base.BaseActivity
 import androidx.activity.viewModels
 import androidx.compose.runtime.collectAsState
 import androidx.lifecycle.lifecycleScope
@@ -24,7 +24,7 @@ import kotlinx.coroutines.launch
  * 采购单列表
  */
 @AndroidEntryPoint
-class PurchaseOrderActivity : ComponentActivity() {
+class PurchaseOrderActivity : BaseActivity() {
 
     private var list = mutableListOf<SupplierInfo>()
     private val adapter by lazy {
diff --git a/app/src/main/java/com/sw/inbound/base/BaseActivity.kt b/app/src/main/java/com/sw/inbound/base/BaseActivity.kt
new file mode 100644
index 0000000..c5e04e3
--- /dev/null
+++ b/app/src/main/java/com/sw/inbound/base/BaseActivity.kt
@@ -0,0 +1,51 @@
+package com.sw.inbound.base
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.core.view.WindowCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.WindowInsetsControllerCompat
+
+/**
+ * 所有 Activity 的基类
+ * - 继承 ComponentActivity，保持与项目其他 Activity 一致
+ * - 自动隐藏状态栏和导航栏，实现全屏沉浸式体验
+ * - 在屏幕底部上滑时可临时唤出导航栏，松手后自动收回
+ */
+abstract class BaseActivity : ComponentActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        hideSystemBars()
+    }
+
+    /**
+     * 窗口焦点变化时回调
+     * 场景：弹出 Dialog 后焦点丢失，Dialog 消失后焦点恢复，此时需重新隐藏系统栏，
+     * 避免系统栏在 Dialog 关闭后意外"复活"
+     */
+    override fun onWindowFocusChanged(hasFocus: Boolean) {
+        super.onWindowFocusChanged(hasFocus)
+        if (hasFocus) {
+            hideSystemBars()
+        }
+    }
+
+    /**
+     * 隐藏状态栏和导航栏
+     * 使用 WindowInsetsControllerCompat（Androidx 推荐方式，向下兼容性好）
+     * - 状态栏：完全隐藏
+     * - 导航栏：完全隐藏，底部上滑时临时出现，松手后自动收回（BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE）
+     */
+    private fun hideSystemBars() {
+        // 允许布局延伸到系统栏区域（edge-to-edge），避免内容被系统栏遮挡
+        WindowCompat.setDecorFitsSystemWindows(window, false)
+        WindowInsetsControllerCompat(window, window.decorView).apply {
+            // 同时隐藏状态栏和导航栏
+            hide(WindowInsetsCompat.Type.systemBars())
+            // 底部上滑时临时显示导航栏，松手后自动隐藏（沉浸式 Sticky 模式）
+            systemBarsBehavior =
+                WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+        }
+    }
+}
diff --git a/app/src/main/res/layout/activity_home.xml b/app/src/main/res/layout/activity_home.xml
new file mode 100644
index 0000000..26dac8b
--- /dev/null
+++ b/app/src/main/res/layout/activity_home.xml
@@ -0,0 +1,106 @@
+<?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:background="@mipmap/bg"
+    android:orientation="vertical">
+
+    <!-- 标题栏区域，与 TopTitleBar Compose 组件对应 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:paddingStart="60dp"
+        android:paddingEnd="60dp"
+        android:paddingTop="22dp">
+
+        <!-- 标题文字，点击可跳转菜品采集页面 -->
+        <TextView
+            android:id="@+id/tvTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:padding="10dp"
+            android:text="出入库管理"
+            android:textColor="@color/title"
+            android:textSize="36sp"
+            android:textStyle="bold" />
+
+        <!-- 占位弹性空间 -->
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_weight="1" />
+
+        <!-- 当前时间文字（用户未登录时显示） -->
+        <TextView
+            android:id="@+id/tvTime"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="@color/black"
+            android:textSize="24sp"
+            android:visibility="visible" />
+
+        <!-- 用户信息区（已登录时显示，未登录隐藏） -->
+        <LinearLayout
+            android:id="@+id/llUserInfo"
+            android:layout_width="wrap_content"
+            android:layout_height="60dp"
+            android:gravity="center_vertical"
+            android:orientation="horizontal"
+            android:visibility="gone">
+
+            <TextView
+                android:id="@+id/tvUserName"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textColor="@color/black"
+                android:textSize="24sp" />
+
+            <Space
+                android:layout_width="21dp"
+                android:layout_height="1dp" />
+
+            <!-- 退出登录图标 -->
+            <ImageView
+                android:id="@+id/ivLogout"
+                android:layout_width="60dp"
+                android:layout_height="60dp"
+                android:contentDescription="退出"
+                android:src="@mipmap/ic_logout" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <!-- 功能入口区域，水平居中排列两个入口图标 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:orientation="horizontal">
+
+        <!-- 采购单入库入口 -->
+        <ImageView
+            android:id="@+id/ivOrderPurchase"
+            android:layout_width="595dp"
+            android:layout_height="477dp"
+            android:contentDescription="采购单入库"
+            android:src="@mipmap/ic_order_purchase" />
+
+        <Space
+            android:layout_width="15dp"
+            android:layout_height="1dp" />
+
+        <!-- 自采入库入口 -->
+        <ImageView
+            android:id="@+id/ivOrderSelfProcurement"
+            android:layout_width="595dp"
+            android:layout_height="477dp"
+            android:contentDescription="自采入库"
+            android:src="@mipmap/ic_order_self_procurement" />
+
+    </LinearLayout>
+
+</LinearLayout>