Android应用实现：MainActivity、UML查看器、AI助手、图书管理功能

5 months ago · 75b2b093bb
parent 41ff9e485f
commit 75b2b093bb
10 changed files with 562 additions and 40 deletions
--- a/android/proguard-rules.pro
+++ b/android/proguard-rules.pro
@ -0,0 +1,9 @@
+# 保留所有 Android 基础类
+-keep class com.smartlibrary.** { *; }
+
+# 保留 Retrofit
+-keepattributes Signature
+-keepattributes Exceptions
+
+# 保留 Gson
+-keep class com.google.gson.** { *; }
--- a/android/src/main/java/com/smartlibrary/android/MainActivity.kt
+++ b/android/src/main/java/com/smartlibrary/android/MainActivity.kt
@ -0,0 +1,259 @@
+package com.smartlibrary.android
+
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import android.widget.ProgressBar
+import android.widget.TextView
+import com.smartlibrary.android.ui.UMLViewerActivity
+
+/**
+ * 智能图书管理系统 - Android 主界面
+ */
+class MainActivity : AppCompatActivity() {
+    
+    private lateinit var recyclerView: RecyclerView
+    private lateinit var emptyView: TextView
+    private lateinit var progressBar: ProgressBar
+    private lateinit var bookAdapter: BookAdapter
+    
+    private val books = mutableListOf<Book>()
+    
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        
+        setupViews()
+        loadMockData()
+    }
+    
+    private fun setupViews() {
+        recyclerView = findViewById(R.id.recyclerView)
+        emptyView = findViewById(R.id.emptyView)
+        progressBar = findViewById(R.id.progressBar)
+        
+        bookAdapter = BookAdapter(books) { book ->
+            showBookDetail(book)
+        }
+        
+        recyclerView.apply {
+            layoutManager = LinearLayoutManager(this@MainActivity)
+            adapter = bookAdapter
+        }
+        
+        findViewById<Button>(R.id.btnAddBook).setOnClickListener {
+            showAddBookDialog()
+        }
+        
+        findViewById<Button>(R.id.btnAiAssistant).setOnClickListener {
+            showAiAssistant()
+        }
+    }
+    
+    private fun loadMockData() {
+        progressBar.visibility = View.VISIBLE
+        
+        // 模拟数据
+        books.clear()
+        books.addAll(listOf(
+            Book("1", "设计模式", "Gang of Four", "978-0-201-63361-0", "机械工业出版社", "计算机", true),
+            Book("2", "重构", "Martin Fowler", "978-0-13-475759-9", "人民邮电出版社", "计算机", true),
+            Book("3", "代码整洁之道", "Robert C. Martin", "978-0-13-235088-4", "人民邮电出版社", "计算机", false),
+            Book("4", "算法导论", "Thomas H. Cormen", "978-0-262-03384-8", "机械工业出版社", "计算机", true),
+            Book("5", "深入理解Java虚拟机", "周志明", "978-7-111-64124-1", "机械工业出版社", "计算机", true)
+        ))
+        
+        progressBar.visibility = View.GONE
+        updateUI()
+    }
+    
+    private fun updateUI() {
+        if (books.isEmpty()) {
+            recyclerView.visibility = View.GONE
+            emptyView.visibility = View.VISIBLE
+        } else {
+            recyclerView.visibility = View.VISIBLE
+            emptyView.visibility = View.GONE
+            bookAdapter.notifyDataSetChanged()
+        }
+    }
+    
+    private fun showBookDetail(book: Book) {
+        AlertDialog.Builder(this)
+            .setTitle(book.title)
+            .setMessage("""
+                作者: ${book.author}
+                ISBN: ${book.isbn}
+                出版社: ${book.publisher}
+                分类: ${book.category}
+                状态: ${if (book.available) "可借阅" else "已借出"}
+            """.trimIndent())
+            .setPositiveButton(if (book.available) "借阅" else "归还") { _, _ ->
+                book.available = !book.available
+                bookAdapter.notifyDataSetChanged()
+                Toast.makeText(this, if (book.available) "归还成功" else "借阅成功", Toast.LENGTH_SHORT).show()
+            }
+            .setNegativeButton("关闭", null)
+            .show()
+    }
+    
+    private fun showAddBookDialog() {
+        val dialogView = layoutInflater.inflate(R.layout.dialog_add_book, null)
+        
+        AlertDialog.Builder(this)
+            .setTitle("添加图书")
+            .setView(dialogView)
+            .setPositiveButton("添加") { _, _ ->
+                val title = dialogView.findViewById<EditText>(R.id.etTitle).text.toString()
+                val author = dialogView.findViewById<EditText>(R.id.etAuthor).text.toString()
+                val isbn = dialogView.findViewById<EditText>(R.id.etIsbn).text.toString()
+                
+                if (title.isNotBlank() && author.isNotBlank()) {
+                    val newBook = Book(
+                        id = (books.size + 1).toString(),
+                        title = title,
+                        author = author,
+                        isbn = isbn,
+                        publisher = "未知",
+                        category = "未分类",
+                        available = true
+                    )
+                    books.add(0, newBook)
+                    updateUI()
+                    Toast.makeText(this, "添加成功", Toast.LENGTH_SHORT).show()
+                }
+            }
+            .setNegativeButton("取消", null)
+            .show()
+    }
+    
+    private fun showAiAssistant() {
+        val input = EditText(this).apply {
+            hint = "请输入您的问题..."
+        }
+        
+        AlertDialog.Builder(this)
+            .setTitle("🤖 AI智能助手")
+            .setView(input)
+            .setPositiveButton("发送") { _, _ ->
+                val question = input.text.toString()
+                if (question.isNotBlank()) {
+                    // 模拟AI回复
+                    val response = when {
+                        question.contains("推荐") -> "根据您的借阅历史，推荐您阅读《设计模式》和《重构》"
+                        question.contains("搜索") || question.contains("查找") -> "已为您找到相关图书，请查看列表"
+                        else -> "感谢您的提问！如需帮助，可以问我：推荐图书、搜索图书等"
+                    }
+                    
+                    AlertDialog.Builder(this)
+                        .setTitle("AI回复")
+                        .setMessage(response)
+                        .setPositiveButton("确定", null)
+                        .show()
+                }
+            }
+            .setNegativeButton("取消", null)
+            .show()
+    }
+    
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.main_menu, menu)
+        return true
+    }
+    
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            R.id.action_uml -> {
+                startActivity(Intent(this, UMLViewerActivity::class.java))
+                true
+            }
+            R.id.action_web -> {
+                showSwitchToWebDialog()
+                true
+            }
+            R.id.action_about -> {
+                showAboutDialog()
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+    
+    private fun showSwitchToWebDialog() {
+        AlertDialog.Builder(this)
+            .setTitle("切换到Web端")
+            .setMessage("Web服务地址:\nhttp://localhost:8082\n\n请确保后端服务已启动")
+            .setPositiveButton("打开浏览器") { _, _ ->
+                try {
+                    val intent = Intent(Intent.ACTION_VIEW, Uri.parse("http://localhost:8082"))
+                    startActivity(intent)
+                } catch (e: Exception) {
+                    Toast.makeText(this, "无法打开浏览器", Toast.LENGTH_SHORT).show()
+                }
+            }
+            .setNegativeButton("取消", null)
+            .show()
+    }
+    
+    private fun showAboutDialog() {
+        AlertDialog.Builder(this)
+            .setTitle("关于")
+            .setMessage("智能图书管理系统 (SLMS)\n版本: 1.0.0\n\n四端统一架构:\n• CLI 命令行\n• GUI 桌面应用\n• WUI Web应用\n• App 移动端")
+            .setPositiveButton("确定", null)
+            .show()
+    }
+}
+
+/**
+ * 图书数据类
+ */
+data class Book(
+    val id: String,
+    val title: String,
+    val author: String,
+    val isbn: String,
+    val publisher: String,
+    val category: String,
+    var available: Boolean
+)
+
+/**
+ * 图书列表适配器
+ */
+class BookAdapter(
+    private val books: List<Book>,
+    private val onClick: (Book) -> Unit
+) : RecyclerView.Adapter<BookAdapter.ViewHolder>() {
+    
+    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val tvTitle: TextView = view.findViewById(R.id.tvTitle)
+        val tvAuthor: TextView = view.findViewById(R.id.tvAuthor)
+        val tvStatus: TextView = view.findViewById(R.id.tvStatus)
+    }
+    
+    override fun onCreateViewHolder(parent: android.view.ViewGroup, viewType: Int): ViewHolder {
+        val view = android.view.LayoutInflater.from(parent.context)
+            .inflate(R.layout.item_book, parent, false)
+        return ViewHolder(view)
+    }
+    
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val book = books[position]
+        holder.tvTitle.text = book.title
+        holder.tvAuthor.text = "作者: ${book.author}"
+        holder.tvStatus.text = if (book.available) "✅ 可借阅" else "❌ 已借出"
+        holder.itemView.setOnClickListener { onClick(book) }
+    }
+    
+    override fun getItemCount() = books.size
+}
--- a/android/src/main/java/com/smartlibrary/android/receiver/LibraryBroadcastReceiver.kt
+++ b/android/src/main/java/com/smartlibrary/android/receiver/LibraryBroadcastReceiver.kt
@ -0,0 +1,15 @@
+package com.smartlibrary.android.receiver
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+
+/**
+ * 广播接收器
+ */
+class LibraryBroadcastReceiver : BroadcastReceiver() {
+    
+    override fun onReceive(context: Context?, intent: Intent?) {
+        // 处理系统广播
+    }
+}
--- a/android/src/main/java/com/smartlibrary/android/service/LibraryService.kt
+++ b/android/src/main/java/com/smartlibrary/android/service/LibraryService.kt
@ -0,0 +1,17 @@
+package com.smartlibrary.android.service
+
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+
+/**
+ * 图书馆后台服务
+ */
+class LibraryService : Service() {
+    
+    override fun onBind(intent: Intent?): IBinder? = null
+    
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        return START_STICKY
+    }
+}
--- a/android/src/main/java/com/smartlibrary/android/ui/UMLViewerActivity.kt
+++ b/android/src/main/java/com/smartlibrary/android/ui/UMLViewerActivity.kt
@ -0,0 +1,109 @@
+package com.smartlibrary.android.ui
+
+import android.os.Bundle
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.app.AppCompatActivity
+import com.smartlibrary.android.R
+
+/**
+ * UML图查看器
+ */
+class UMLViewerActivity : AppCompatActivity() {
+    
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_uml_viewer)
+        
+        supportActionBar?.apply {
+            title = "UML图查看器"
+            setDisplayHomeAsUpEnabled(true)
+        }
+        
+        val webView = findViewById<WebView>(R.id.webView)
+        webView.apply {
+            settings.javaScriptEnabled = true
+            settings.builtInZoomControls = true
+            settings.displayZoomControls = false
+            webViewClient = WebViewClient()
+            
+            // 加载 PlantUML 在线渲染
+            loadData(getUmlHtml(), "text/html", "UTF-8")
+        }
+    }
+    
+    private fun getUmlHtml(): String {
+        return """
+            <!DOCTYPE html>
+            <html>
+            <head>
+                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+                <style>
+                    body { font-family: sans-serif; padding: 16px; background: #f5f5f5; }
+                    h2 { color: #1976D2; }
+                    pre { background: #fff; padding: 12px; border-radius: 8px; overflow-x: auto; font-size: 12px; }
+                    .card { background: #fff; margin: 16px 0; padding: 16px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
+                </style>
+            </head>
+            <body>
+                <h2>📊 系统类图</h2>
+                <div class="card">
+                    <pre>
+@startuml
+class Book {
+  -id: String
+  -title: String
+  -author: String
+  -available: boolean
+  +borrow(): void
+  +returnBook(): void
+}
+
+class Loan {
+  -id: String
+  -bookId: String
+  -userId: String
+  -borrowDate: Date
+}
+
+class BookService {
+  +addBook(): boolean
+  +borrowBook(): boolean
+  +returnBook(): boolean
+}
+
+BookService --> Book
+BookService --> Loan
+@enduml
+                    </pre>
+                </div>
+                
+                <h2>🔄 借阅流程时序图</h2>
+                <div class="card">
+                    <pre>
+@startuml
+actor 用户
+participant "App界面" as App
+participant "BookService" as Service
+participant "Database" as DB
+
+用户 -> App: 点击借阅
+App -> Service: borrowBook()
+Service -> DB: 查询图书
+DB --> Service: 返回图书
+Service -> DB: 更新状态
+Service --> App: 借阅成功
+App --> 用户: 显示结果
+@enduml
+                    </pre>
+                </div>
+            </body>
+            </html>
+        """.trimIndent()
+    }
+    
+    override fun onSupportNavigateUp(): Boolean {
+        finish()
+        return true
+    }
+}
--- a/android/src/main/res/layout/activity_main.xml
+++ b/android/src/main/res/layout/activity_main.xml
@ -1,52 +1,61 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:background="@color/background"
-    tools:context=".MainActivity">
+    android:orientation="vertical"
+    android:background="#F5F5F5">

-    <com.google.android.material.appbar.AppBarLayout
-        android:id="@+id/app_bar_layout"
+    <!-- 按钮区域 -->
+    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
-        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
-        app:layout_constraintTop_toTopOf="parent">
+        android:orientation="horizontal"
+        android:padding="8dp"
+        android:background="#FFFFFF">

-        <com.google.android.material.appbar.MaterialToolbar
-            android:id="@+id/toolbar"
-            android:layout_width="match_parent"
-            android:layout_height="?attr/actionBarSize"
-            android:background="@color/primary"
-            app:title="@string/app_name"
-            app:titleTextColor="@color/text_on_primary"
-            style="@style/Widget.SmartLibrary.Toolbar" />
+        <Button
+            android:id="@+id/btnAddBook"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="添加图书"
+            android:layout_marginEnd="4dp" />

-    </com.google.android.material.appbar.AppBarLayout>
+        <Button
+            android:id="@+id/btnAiAssistant"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="AI助手"
+            android:layout_marginStart="4dp" />
+    </LinearLayout>

-    <androidx.fragment.app.FragmentContainerView
-        android:id="@+id/nav_host_fragment"
-        android:name="androidx.navigation.fragment.NavHostFragment"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:defaultNavHost="true"
-        app:layout_constraintBottom_toTopOf="@+id/bottom_navigation"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/app_bar_layout"
-        app:navGraph="@navigation/nav_graph" />
+    <!-- 加载进度 -->
+    <ProgressBar
+        android:id="@+id/progressBar"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:visibility="gone" />

-    <com.google.android.material.bottomnavigation.BottomNavigationView
-        android:id="@+id/bottom_navigation"
-        android:layout_width="0dp"
+    <!-- 空状态提示 -->
+    <TextView
+        android:id="@+id/emptyView"
+        android:layout_width="match_parent"
        android:layout_height="wrap_content"
-        android:layout_marginStart="0dp"
-        android:layout_marginEnd="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:menu="@menu/bottom_nav_menu"
-        style="@style/Widget.SmartLibrary.BottomNavigationView" />
+        android:text="暂无图书数据"
+        android:textSize="16sp"
+        android:textColor="#999999"
+        android:gravity="center"
+        android:padding="32dp"
+        android:visibility="gone" />
+
+    <!-- 图书列表 -->
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:padding="8dp" />

-</androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>
--- a/android/src/main/res/layout/activity_uml_viewer.xml
+++ b/android/src/main/res/layout/activity_uml_viewer.xml
@ -0,0 +1,12 @@
+<?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">
+
+    <WebView
+        android:id="@+id/webView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+</LinearLayout>
--- a/android/src/main/res/layout/dialog_add_book.xml
+++ b/android/src/main/res/layout/dialog_add_book.xml
@ -0,0 +1,31 @@
+<?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="wrap_content"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <EditText
+        android:id="@+id/etTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="书名"
+        android:inputType="text" />
+
+    <EditText
+        android:id="@+id/etAuthor"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="作者"
+        android:inputType="text"
+        android:layout_marginTop="8dp" />
+
+    <EditText
+        android:id="@+id/etIsbn"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="ISBN"
+        android:inputType="text"
+        android:layout_marginTop="8dp" />
+
+</LinearLayout>
--- a/android/src/main/res/layout/item_book.xml
+++ b/android/src/main/res/layout/item_book.xml
@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView 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="wrap_content"
+    android:layout_marginBottom="8dp"
+    app:cardCornerRadius="8dp"
+    app:cardElevation="2dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <TextView
+            android:id="@+id/tvTitle"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textSize="18sp"
+            android:textStyle="bold"
+            android:textColor="#333333" />
+
+        <TextView
+            android:id="@+id/tvAuthor"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:textColor="#666666"
+            android:layout_marginTop="4dp" />
+
+        <TextView
+            android:id="@+id/tvStatus"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textSize="14sp"
+            android:layout_marginTop="8dp" />
+
+    </LinearLayout>
+
+</androidx.cardview.widget.CardView>
--- a/android/src/main/res/menu/main_menu.xml
+++ b/android/src/main/res/menu/main_menu.xml
@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_uml"
+        android:title="UML图"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/action_web"
+        android:title="切换到Web"
+        app:showAsAction="never" />
+
+    <item
+        android:id="@+id/action_about"
+        android:title="关于"
+        app:showAsAction="never" />
+
+</menu>