优化各项显示

优化加载回调

app/src/main/AndroidManifest.xml

@@ -16,17 +16,17 @@
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/ic_launcher_main"
         android:label="@string/app_name"
-        android:roundIcon="@mipmap/ic_launcher_round"
+        android:roundIcon="@drawable/ic_launcher_main"
         android:supportsRtl="true"
         android:usesCleartextTraffic="true"
         android:networkSecurityConfig="@xml/network_security_config"
         android:theme="@style/Theme.StandAPP">
+        
         <activity
-            android:name=".LoginActivity"
+            android:name=".SplashActivity"
             android:exported="true"
-            android:label="@string/app_name"
             android:theme="@style/Theme.StandAPP">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -34,6 +34,12 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".LoginActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.StandAPP" />
+
         <activity
             android:name=".MainActivity"
             android:exported="false"

app/src/main/assets/print_demo.html

@@ -361,6 +361,13 @@
     // 延迟检测
     setTimeout(checkApp, 300);
 
+    // 告知 Android 页面加载完成
+    window.onload = function() {
+        if (window.android && window.android.onPageFinished) {
+            window.android.onPageFinished();
+        }
+    };
+
     // === WebSocket 逻辑 ===
     let ws = null;
     let clientId = "WEB_" + Math.random().toString(36).substr(2, 9);

app/src/main/java/com/stand/standapp/AndroidInterface.kt

@@ -165,4 +165,19 @@ class AndroidInterface(private val activity: MainActivity) {
             Log.e("Storage", "清空记录异常", e)
         }
     }
+
+    /**
+     * JS 回调：告知 App 页面加载完成
+     */
+    @JavascriptInterface
+    fun onPageFinished() {
+        Handler(Looper.getMainLooper()).post {
+            try {
+                activity.cancelTimeoutTimer()
+                activity.findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.GONE
+            } catch (e: Exception) {
+                Log.e("UI", "隐藏加载布局失败", e)
+            }
+        }
+    }
 }

app/src/main/java/com/stand/standapp/LoginActivity.kt

@@ -2,12 +2,19 @@ package com.stand.standapp
 
 import android.content.Intent
 import android.os.Bundle
+import android.util.Log
 import android.widget.*
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import okhttp3.*
+import okhttp3.MediaType.Companion.toMediaType
+import org.json.JSONObject
+import java.io.IOException
 
 class LoginActivity : AppCompatActivity() {
 
+    private val client = OkHttpClient()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_login)
@@ -42,27 +49,8 @@ class LoginActivity : AppCompatActivity() {
                 return@setOnClickListener
             }
 
-            // 模拟登录校验
+            // 执行真实接口登录
-            if (username == "admin" && password == "admin") {
+            performLogin(username, password, cbRemember.isChecked)
-                // 保存“记住登录”状态及凭据
-                AppConfig.setRememberLogin(this, cbRemember.isChecked)
-                if (cbRemember.isChecked) {
-                    AppConfig.setSavedUsername(this, username)
-                    AppConfig.setSavedPassword(this, password)
-                } else {
-                    AppConfig.setSavedUsername(this, "")
-                    AppConfig.setSavedPassword(this, "")
-                }
-
-                Toast.makeText(this, "登录成功", Toast.LENGTH_SHORT).show()
-                
-                // 跳转到主界面
-                val intent = Intent(this, MainActivity::class.java)
-                startActivity(intent)
-                finish()
-            } else {
-                Toast.makeText(this, "账号或密码错误", Toast.LENGTH_SHORT).show()
-            }
         }
 
         // 4. PTT 示例按钮点击事件
@@ -76,6 +64,73 @@ class LoginActivity : AppCompatActivity() {
         }
     }
 
+    /**
+     * 执行真实接口登录
+     */
+    private fun performLogin(username: String, password: String, remember: Boolean) {
+        val loginUrl = "https://template.gyouzhe.com/api/auth/login"
+        val bearerToken = "eyJraWQiOiJzLXYxIiwidHlwIjoiSldUIiwiYWxnIjoiSFMyNTYifQ.eyJzdWIiOiJhZG1pbiIsInR5cCI6ImFjY2VzcyIsImV4cCI6MTc3NjQwMTU2MSwianRpIjoiMjM0NjdiZGMtNTY0Zi00NmY0LWJhZTgtNzJhZmQ1MzhmYmZhIiwiZmdwIjoiY2FhNzYzOTI4YWRhYWZiYjgzMjE3NjExYmVjYTc3ZjMiLCJraWQiOiJzLXYxIn0.4Zf1eiKcUjGNoFylEzmZ2no1kJY-44CQ8QWmMA_UxvY"
+
+        val body = MultipartBody.Builder()
+            .setType(MultipartBody.FORM)
+            .addFormDataPart("username", username)
+            .addFormDataPart("password", password)
+            .build()
+
+        val request = Request.Builder()
+            .url(loginUrl)
+            .post(body)
+            .addHeader("Authorization", "Bearer $bearerToken")
+            .build()
+
+        val loadingDialog = AlertDialog.Builder(this)
+            .setMessage("正在登录...")
+            .setCancelable(false)
+            .create()
+        loadingDialog.show()
+
+        client.newCall(request).enqueue(object : Callback {
+            override fun onFailure(call: Call, e: IOException) {
+                runOnUiThread {
+                    loadingDialog.dismiss()
+                    Toast.makeText(this@LoginActivity, "网络异常: ${e.message}", Toast.LENGTH_SHORT).show()
+                }
+            }
+
+            override fun onResponse(call: Call, response: Response) {
+                val responseBody = response.body?.string()
+                runOnUiThread {
+                    loadingDialog.dismiss()
+                    try {
+                        val json = JSONObject(responseBody ?: "")
+                        val code = json.optInt("code", -1)
+                        if (code == 0) {
+                            // 登录成功
+                            AppConfig.setRememberLogin(this@LoginActivity, remember)
+                            if (remember) {
+                                AppConfig.setSavedUsername(this@LoginActivity, username)
+                                AppConfig.setSavedPassword(this@LoginActivity, password)
+                            } else {
+                                AppConfig.setSavedUsername(this@LoginActivity, "")
+                                AppConfig.setSavedPassword(this@LoginActivity, "")
+                            }
+
+                            Toast.makeText(this@LoginActivity, "登录成功", Toast.LENGTH_SHORT).show()
+                            startActivity(Intent(this@LoginActivity, MainActivity::class.java))
+                            finish()
+                        } else {
+                            val msg = json.optString("msg", "登录失败")
+                            Toast.makeText(this@LoginActivity, msg, Toast.LENGTH_SHORT).show()
+                        }
+                    } catch (e: Exception) {
+                        Log.e("Login", "解析响应失败", e)
+                        Toast.makeText(this@LoginActivity, "服务器响应异常", Toast.LENGTH_SHORT).show()
+                    }
+                }
+            }
+        })
+    }
+
     /**
      * 弹出服务器地址配置对话框
      */

app/src/main/java/com/stand/standapp/MainActivity.kt

@@ -13,6 +13,12 @@ import com.stand.standapp.R
 class MainActivity : AppCompatActivity() {
 
     private var mAgentWeb: AgentWeb? = null
+    private val mHandler = android.os.Handler(android.os.Looper.getMainLooper())
+    private val TIMEOUT_MS = 30000L
+
+    private val timeoutRunnable = Runnable {
+        showErrorPage()
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -23,9 +29,15 @@ class MainActivity : AppCompatActivity() {
             val container = findViewById<LinearLayout>(R.id.container)
             if (container == null) return
 
+            findViewById<android.widget.Button>(R.id.btn_retry)?.setOnClickListener {
+                hideErrorPage()
+                mAgentWeb?.webCreator?.webView?.reload()
+                startTimeoutTimer()
+            }
+
             // 从配置中获取服务器地址
             val serverUrl = AppConfig.getServerUrl(this)
-            val finalUrl = "$serverUrl/example/print_demo.html?t=\${System.currentTimeMillis()}"
+            val finalUrl = "$serverUrl/example/print_demo.html?t=${System.currentTimeMillis()}"
             Log.d("MainActivity", "Loading URL: $finalUrl")
 
             mAgentWeb = AgentWeb.with(this)
@@ -36,7 +48,10 @@ class MainActivity : AppCompatActivity() {
                 .ready()
                 .go(finalUrl)
 
+            startTimeoutTimer()
+
             // 配置 WebView 属性以支持 SSE 和跨域
+
             mAgentWeb?.let { agent ->
                 try {
                     val webView = agent.webCreator.webView
@@ -104,6 +119,26 @@ class MainActivity : AppCompatActivity() {
 
     override fun onDestroy() {
         mAgentWeb?.webLifeCycle?.onDestroy()
+        cancelTimeoutTimer()
         super.onDestroy()
     }
+
+    private fun startTimeoutTimer() {
+        cancelTimeoutTimer()
+        mHandler.postDelayed(timeoutRunnable, TIMEOUT_MS)
+    }
+
+    fun cancelTimeoutTimer() {
+        mHandler.removeCallbacks(timeoutRunnable)
+    }
+
+    private fun showErrorPage() {
+        findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.GONE
+        findViewById<android.view.View>(R.id.error_layout)?.visibility = android.view.View.VISIBLE
+    }
+
+    private fun hideErrorPage() {
+        findViewById<android.view.View>(R.id.error_layout)?.visibility = android.view.View.GONE
+        findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.VISIBLE
+    }
 }

app/src/main/java/com/stand/standapp/SplashActivity.kt

@@ -0,0 +1,20 @@
+package com.stand.standapp
+
+import android.content.Intent
+import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import androidx.appcompat.app.AppCompatActivity
+
+class SplashActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_splash)
+
+        // 延迟 2 秒进入登录界面
+        Handler(Looper.getMainLooper()).postDelayed({
+            startActivity(Intent(this, LoginActivity::class.java))
+            finish()
+        }, 2000)
+    }
+}

app/src/main/res/drawable/ic_fire_logo.xml

@@ -0,0 +1,38 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="200dp"
+    android:height="200dp"
+    android:viewportWidth="200"
+    android:viewportHeight="200">
+    
+    <!-- 背景圆盘 (纯净白) -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M100,100m-90,0a90,90 0,1 1,180 0a90,90 0,1 1,-180 0" />
+    
+    <!-- 消防盾牌外廓 (消防红) -->
+    <path
+        android:fillColor="#D62828"
+        android:pathData="M100,40 L155,62 L155,115 C155,145 130,170 100,180 C70,170 45,145 45,115 L45,62 Z" />
+    
+    <!-- 盾牌内嵌线条 (深红) -->
+    <path
+        android:fillColor="#9B2226"
+        android:pathData="M100,50 L145,68 L145,115 C145,140 125,160 100,170 C75,160 55,140 55,115 L55,68 Z" />
+
+    <!-- 核心星芒/十字 (象征调度指挥) -->
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M100,75 L112,98 L138,98 L118,115 L125,140 L100,125 L75,140 L82,115 L62,98 L88,98 Z" />
+        
+    <!-- 外部环绕科技蓝装饰条 -->
+    <path
+        android:strokeColor="#004A8F"
+        android:strokeWidth="5"
+        android:strokeLineCap="round"
+        android:pathData="M100,20 A80,80 0,0 1,180,100" />
+    <path
+        android:strokeColor="#004A8F"
+        android:strokeWidth="5"
+        android:strokeLineCap="round"
+        android:pathData="M100,180 A80,80 0,0 1,20,100" />
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -5,166 +5,6 @@
     android:viewportWidth="108"
     android:viewportHeight="108">
     <path
-        android:fillColor="#3DDC84"
+        android:fillColor="#004A8F"
         android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
 </vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -1,30 +1,46 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+    
-        <aapt:attr name="android:fillColor">
+    <!-- 消防盾牌图标，适配 Android 108dp 规范 -->
-            <gradient
+    <group
-                android:endX="85.84757"
+        android:translateX="18.5"
-                android:endY="92.4963"
+        android:translateY="18.5"
-                android:startX="42.9492"
+        android:scaleX="0.355"
-                android:startY="49.59793"
+        android:scaleY="0.355">
-                android:type="linear">
+        
-                <item
+        <!-- 背景白底，确保中心可见 -->
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
         <path
             android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
+            android:pathData="M100,100m-90,0a90,90 0,1 1,180 0a90,90 0,1 1,-180 0" />
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+            
-        android:strokeWidth="1"
+        <!-- 消防盾牌外廓 -->
-        android:strokeColor="#00000000" />
+        <path
+            android:fillColor="#D62828"
+            android:pathData="M100,40 L155,62 L155,115 C155,145 130,170 100,180 C70,170 45,145 45,115 L45,62 Z" />
+        
+        <!-- 盾牌内嵌线条 -->
+        <path
+            android:fillColor="#9B2226"
+            android:pathData="M100,50 L145,68 L145,115 C145,140 125,160 100,170 C75,160 55,140 55,115 L55,68 Z" />
+
+        <!-- 核心星芒/十字 -->
+        <path
+            android:fillColor="#FFFFFF"
+            android:pathData="M100,75 L112,98 L138,98 L118,115 L125,140 L100,125 L75,140 L82,115 L62,98 L88,98 Z" />
+            
+        <!-- 科技蓝环绕装饰 -->
+        <path
+            android:strokeColor="#004A8F"
+            android:strokeWidth="5"
+            android:strokeLineCap="round"
+            android:pathData="M100,20 A80,80 0,0 1,180,100" />
+        <path
+            android:strokeColor="#004A8F"
+            android:strokeWidth="5"
+            android:strokeLineCap="round"
+            android:pathData="M100,180 A80,80 0,0 1,20,100" />
+    </group>
 </vector>

app/src/main/res/drawable/ic_launcher_main.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/ic_launcher_background" />
+    <item android:drawable="@drawable/ic_launcher_foreground" />
+</layer-list>

app/src/main/res/layout/activity_login.xml

@@ -24,14 +24,20 @@
         android:layout_centerHorizontal="true"
         android:layout_marginTop="50dp"
         android:gravity="center"
-        android:orientation="horizontal">
+        android:orientation="vertical">
+
+        <ImageView
+            android:layout_width="80dp"
+            android:layout_height="80dp"
+            android:src="@drawable/ic_fire_logo" />
 
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="智能调度终端"
+            android:layout_marginTop="10dp"
+            android:text="消防值守台"
             android:textColor="#FFFFFF"
-            android:textSize="22sp"
+            android:textSize="26sp"
             android:textStyle="bold" />
     </LinearLayout>
 
@@ -58,7 +64,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginBottom="15dp"
-            android:text="测试账号: admin   密码: admin"
+            android:text="测试账号: admin   密码: 123456"
             android:textColor="#CCFFFFFF"
             android:textSize="14sp" />
 

app/src/main/res/layout/activity_main.xml

@@ -1,7 +1,89 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
         android:id="@+id/container"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-    android:orientation="vertical">
+        android:orientation="vertical" />
-</LinearLayout>
+
+    <!-- 加载等待页 -->
+    <LinearLayout
+        android:id="@+id/loading_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#FFFFFF"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="visible">
+
+        <ProgressBar
+            android:layout_width="60dp"
+            android:layout_height="60dp"
+            android:indeterminateTint="#004A8F" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:text="消防值守台系统加载中..."
+            android:textColor="#333333"
+            android:textSize="18sp"
+            android:textStyle="bold" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="正在初始化智能调度引擎..."
+            android:textColor="#999999"
+            android:textSize="14sp" />
+    </LinearLayout>
+
+    <!-- 异常提示页 (超时或网络错误) -->
+    <LinearLayout
+        android:id="@+id/error_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#F8F9FA"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            android:src="@android:drawable/stat_notify_error"
+            android:tint="#D62828" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="24dp"
+            android:text="系统响应超时"
+            android:textColor="#333333"
+            android:textSize="20sp"
+            android:textStyle="bold" />
+
+        <TextView
+            android:layout_width="280dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:gravity="center"
+            android:text="检测到网络环境不稳定或服务器未响应，请检查网络连接后重试。"
+            android:textColor="#666666"
+            android:textSize="14sp" />
+
+        <Button
+            android:id="@+id/btn_retry"
+            android:layout_width="160dp"
+            android:layout_height="50dp"
+            android:layout_marginTop="30dp"
+            android:backgroundTint="#004A8F"
+            android:text="重新加载"
+            android:textColor="#FFFFFF" />
+    </LinearLayout>
+
+</FrameLayout>

app/src/main/res/layout/activity_splash.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#004A8F">
+
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:gravity="center"
+        android:orientation="vertical">
+
+        <!-- 这里可以用刚才设计的图标 -->
+        <ImageView
+            android:layout_width="120dp"
+            android:layout_height="120dp"
+            android:src="@drawable/ic_fire_logo" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="24dp"
+            android:text="消防值守台"
+            android:textColor="#FFFFFF"
+            android:textSize="28sp"
+            android:textStyle="bold"
+            android:letterSpacing="0.1" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:text="智能调度 · 实时响应 · 安全值守"
+            android:textColor="#A0C4FF"
+            android:textSize="14sp" />
+
+    </LinearLayout>
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="40dp"
+        android:text="© 2026 消防科技智能终端 版权所有"
+        android:textColor="#80FFFFFF"
+        android:textSize="12sp" />
+
+</RelativeLayout>