历史记录功能

example/app/build.gradle

@@ -35,6 +35,7 @@ dependencies {
     implementation 'com.google.android.material:material:1.11.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.core:core:1.12.0'
+    implementation 'androidx.recyclerview:recyclerview:1.3.2'
 
     // ViewModel & LiveData
     implementation 'androidx.lifecycle:lifecycle-viewmodel:2.7.0'

example/app/src/main/AndroidManifest.xml

@@ -22,6 +22,10 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".HistoryActivity"
+            android:exported="false"
+            android:screenOrientation="portrait" />
 
         <provider
             android:name="androidx.core.content.FileProvider"

example/app/src/main/java/com/ruilaizi/example/HistoryActivity.java

@@ -0,0 +1,125 @@
+package com.ruilaizi.example;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.button.MaterialButton;
+import com.google.android.material.tabs.TabLayout;
+import com.ruilaizi.example.adapter.GenerationHistoryAdapter;
+import com.ruilaizi.example.adapter.OptimizeHistoryAdapter;
+import com.ruilaizi.example.databinding.ActivityHistoryBinding;
+import com.ruilaizi.example.ui.HistoryViewModel;
+
+
+/**
+ * 生成历史 / 优化历史 页面。
+ */
+public class HistoryActivity extends AppCompatActivity {
+
+    public static final String EXTRA_USE_PROMPT = "use_prompt";
+
+    private ActivityHistoryBinding binding;
+    private HistoryViewModel viewModel;
+    private OptimizeHistoryAdapter optimizeAdapter;
+    private GenerationHistoryAdapter generationAdapter;
+    private int currentTab = 0;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        binding = ActivityHistoryBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        viewModel = new ViewModelProvider(this, new ViewModelProvider.AndroidViewModelFactory(getApplication())).get(HistoryViewModel.class);
+
+        setupRecyclers();
+        setupTabs();
+        setupBack();
+        observeData();
+    }
+
+    private void setupRecyclers() {
+        optimizeAdapter = new OptimizeHistoryAdapter();
+        optimizeAdapter.setOnUseOptimizeListener(prompt -> {
+            Intent data = new Intent();
+            data.putExtra(EXTRA_USE_PROMPT, prompt);
+            setResult(RESULT_OK, data);
+            finish();
+        });
+
+        generationAdapter = new GenerationHistoryAdapter();
+        generationAdapter.setOnUseGenerationListener(prompt -> {
+            Intent data = new Intent();
+            data.putExtra(EXTRA_USE_PROMPT, prompt);
+            setResult(RESULT_OK, data);
+            finish();
+        });
+
+        binding.recyclerOptimize.setLayoutManager(new LinearLayoutManager(this));
+        binding.recyclerOptimize.setAdapter(optimizeAdapter);
+
+        binding.recyclerGeneration.setLayoutManager(new LinearLayoutManager(this));
+        binding.recyclerGeneration.setAdapter(generationAdapter);
+    }
+
+    private void setupTabs() {
+        binding.tabHistory.addTab(binding.tabHistory.newTab().setText(R.string.history_tab_optimize));
+        binding.tabHistory.addTab(binding.tabHistory.newTab().setText(R.string.history_tab_generation));
+
+        binding.tabHistory.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
+            @Override
+            public void onTabSelected(TabLayout.Tab tab) {
+                switchTab(tab.getPosition());
+            }
+
+            @Override
+            public void onTabUnselected(TabLayout.Tab tab) {}
+
+            @Override
+            public void onTabReselected(TabLayout.Tab tab) {}
+        });
+    }
+
+    private void switchTab(int index) {
+        currentTab = index;
+        if (index == 0) {
+            binding.recyclerOptimize.setVisibility(View.VISIBLE);
+            binding.recyclerGeneration.setVisibility(View.GONE);
+            updateEmptyVisibility();
+        } else {
+            binding.recyclerOptimize.setVisibility(View.GONE);
+            binding.recyclerGeneration.setVisibility(View.VISIBLE);
+            updateEmptyVisibility();
+        }
+    }
+
+    private void setupBack() {
+        binding.btnBack.setOnClickListener(v -> finish());
+    }
+
+    private void observeData() {
+        viewModel.getOptimizeRecords().observe(this, list -> {
+            optimizeAdapter.setData(list);
+            updateEmptyVisibility();
+        });
+        viewModel.getGenerationRecords().observe(this, list -> {
+            generationAdapter.setData(list);
+            updateEmptyVisibility();
+        });
+    }
+
+    private void updateEmptyVisibility() {
+        boolean optEmpty = optimizeAdapter.getItemCount() == 0;
+        boolean genEmpty = generationAdapter.getItemCount() == 0;
+        binding.emptyOptimize.setVisibility(currentTab == 0 && optEmpty ? View.VISIBLE : View.GONE);
+        binding.emptyGeneration.setVisibility(currentTab == 1 && genEmpty ? View.VISIBLE : View.GONE);
+    }
+}

example/app/src/main/java/com/ruilaizi/example/MainActivity.java

@@ -1,5 +1,6 @@
 package com.ruilaizi.example;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.TextWatcher;
@@ -44,6 +45,9 @@ public class MainActivity extends AppCompatActivity {
         if (binding.btnSettings != null) {
             binding.btnSettings.setOnClickListener(v -> showApiKeyDialog());
         }
+        if (binding.btnHistory != null) {
+            binding.btnHistory.setOnClickListener(v -> openHistory());
+        }
         observeViewModel();
         showApiKeyHintIfNeeded();
     }
@@ -186,6 +190,28 @@ public class MainActivity extends AppCompatActivity {
         }
     }
 
+    private static final int REQ_HISTORY = 1001;
+
+    private void openHistory() {
+        startActivityForResult(new Intent(this, HistoryActivity.class), REQ_HISTORY);
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == REQ_HISTORY && resultCode == RESULT_OK && data != null) {
+            String prompt = data.getStringExtra(HistoryActivity.EXTRA_USE_PROMPT);
+            if (prompt != null && !prompt.isEmpty()) {
+                TextInputEditText input = binding.inputPrompt;
+                if (input != null) {
+                    input.setText(prompt);
+                    viewModel.setPrompt(prompt);
+                }
+                Snackbar.make(binding.getRoot(), "已填入提示词", Snackbar.LENGTH_SHORT).show();
+            }
+        }
+    }
+
     private void showApiKeyDialog() {
         android.widget.EditText edit = new android.widget.EditText(this);
         edit.setHint("API Key（建议使用后端网关，不在此填写）");

example/app/src/main/java/com/ruilaizi/example/adapter/GenerationHistoryAdapter.java

@@ -0,0 +1,122 @@
+package com.ruilaizi.example.adapter;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.button.MaterialButton;
+import com.ruilaizi.example.R;
+import com.ruilaizi.example.data.db.GenerationRecord;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+public class GenerationHistoryAdapter extends RecyclerView.Adapter<GenerationHistoryAdapter.ViewHolder> {
+
+    private static final String[] LENGTH_LABELS = {"短", "中", "长"};
+    private static final String[] TEMP_LABELS = {"保守", "平衡", "创意"};
+
+    private final List<GenerationRecord> list = new ArrayList<>();
+    private OnUseGenerationListener onUseGenerationListener;
+
+    public interface OnUseGenerationListener {
+        void onUseGeneration(String prompt);
+    }
+
+    public void setOnUseGenerationListener(OnUseGenerationListener listener) {
+        this.onUseGenerationListener = listener;
+    }
+
+    public void setData(List<GenerationRecord> data) {
+        list.clear();
+        if (data != null) {
+            list.addAll(data);
+        }
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_generation_history, parent, false);
+        return new ViewHolder(v);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        GenerationRecord r = list.get(position);
+        holder.tvPrompt.setText(truncate(r.prompt, 80));
+        holder.tvResult.setText(truncate(r.result, 150));
+        holder.tvParams.setText("长度：" + getLengthLabel(r.maxTokensLevel) + " | 创意：" + getTempLabel(r.temperatureLevel));
+        holder.tvTime.setText(formatTime(r.createdAt));
+
+        holder.btnUse.setOnClickListener(v -> {
+            if (onUseGenerationListener != null && r.prompt != null) {
+                onUseGenerationListener.onUseGeneration(r.prompt);
+            }
+        });
+
+        holder.btnCopy.setOnClickListener(v -> {
+            if (r.result != null && !r.result.isEmpty()) {
+                ClipboardManager cm = (ClipboardManager) holder.itemView.getContext().getSystemService(Context.CLIPBOARD_SERVICE);
+                if (cm != null) {
+                    cm.setPrimaryClip(ClipData.newPlainText("AI生成", r.result));
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return list.size();
+    }
+
+    private static String getLengthLabel(int level) {
+        if (level < 0 || level >= LENGTH_LABELS.length) return "中";
+        return LENGTH_LABELS[level];
+    }
+
+    private static String getTempLabel(int level) {
+        if (level < 0 || level >= TEMP_LABELS.length) return "平衡";
+        return TEMP_LABELS[level];
+    }
+
+    private static String truncate(String s, int maxLen) {
+        if (s == null) return "";
+        if (s.length() <= maxLen) return s;
+        return s.substring(0, maxLen) + "…";
+    }
+
+    private static String formatTime(long timestamp) {
+        try {
+            return new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.getDefault()).format(new Date(timestamp));
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        TextView tvPrompt, tvResult, tvParams, tvTime;
+        MaterialButton btnUse, btnCopy;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            tvPrompt = itemView.findViewById(R.id.tv_prompt);
+            tvResult = itemView.findViewById(R.id.tv_result);
+            tvParams = itemView.findViewById(R.id.tv_params);
+            tvTime = itemView.findViewById(R.id.tv_time);
+            btnUse = itemView.findViewById(R.id.btn_use);
+            btnCopy = itemView.findViewById(R.id.btn_copy);
+        }
+    }
+}

example/app/src/main/java/com/ruilaizi/example/adapter/OptimizeHistoryAdapter.java

@@ -0,0 +1,110 @@
+package com.ruilaizi.example.adapter;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.button.MaterialButton;
+import com.ruilaizi.example.R;
+import com.ruilaizi.example.data.db.OptimizeRecord;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+public class OptimizeHistoryAdapter extends RecyclerView.Adapter<OptimizeHistoryAdapter.ViewHolder> {
+
+    private final List<OptimizeRecord> list = new ArrayList<>();
+    private OnUseOptimizeListener onUseOptimizeListener;
+
+    public interface OnUseOptimizeListener {
+        void onUseOptimize(String optimizedPrompt);
+    }
+
+    public void setOnUseOptimizeListener(OnUseOptimizeListener listener) {
+        this.onUseOptimizeListener = listener;
+    }
+
+    public void setData(List<OptimizeRecord> data) {
+        list.clear();
+        if (data != null) {
+            list.addAll(data);
+        }
+        notifyDataSetChanged();
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_optimize_history, parent, false);
+        return new ViewHolder(v);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        OptimizeRecord r = list.get(position);
+        holder.tvIntent.setText(r.intentSummary != null ? r.intentSummary : "");
+        holder.tvUserInput.setText("输入：" + truncate(r.userInput, 60));
+        holder.tvOptimizedPrompt.setText(truncate(r.optimizedPrompt, 120));
+        holder.tvTime.setText(formatTime(r.createdAt));
+
+        holder.btnUse.setOnClickListener(v -> {
+            if (onUseOptimizeListener != null && r.optimizedPrompt != null) {
+                onUseOptimizeListener.onUseOptimize(r.optimizedPrompt);
+            }
+        });
+
+        holder.itemView.setOnLongClickListener(v -> {
+            if (r.optimizedPrompt != null && !r.optimizedPrompt.isEmpty()) {
+                ClipboardManager cm = (ClipboardManager) holder.itemView.getContext().getSystemService(Context.CLIPBOARD_SERVICE);
+                if (cm != null) {
+                    cm.setPrimaryClip(ClipData.newPlainText("优化提示词", r.optimizedPrompt));
+                }
+                return true;
+            }
+            return false;
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return list.size();
+    }
+
+    private static String truncate(String s, int maxLen) {
+        if (s == null) return "";
+        if (s.length() <= maxLen) return s;
+        return s.substring(0, maxLen) + "…";
+    }
+
+    private static String formatTime(long timestamp) {
+        try {
+            return new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.getDefault()).format(new Date(timestamp));
+        } catch (Exception e) {
+            return "";
+        }
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        TextView tvIntent, tvUserInput, tvOptimizedPrompt, tvTime;
+        MaterialButton btnUse;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+            tvIntent = itemView.findViewById(R.id.tv_intent);
+            tvUserInput = itemView.findViewById(R.id.tv_user_input);
+            tvOptimizedPrompt = itemView.findViewById(R.id.tv_optimized_prompt);
+            tvTime = itemView.findViewById(R.id.tv_time);
+            btnUse = itemView.findViewById(R.id.btn_use);
+        }
+    }
+}

example/app/src/main/java/com/ruilaizi/example/data/db/AppDatabase.java

@@ -6,7 +6,7 @@ import androidx.room.Database;
 import androidx.room.Room;
 import androidx.room.RoomDatabase;
 
-@Database(entities = {GenerationRecord.class}, version = 1, exportSchema = false)
+@Database(entities = {GenerationRecord.class, OptimizeRecord.class}, version = 2, exportSchema = false)
 public abstract class AppDatabase extends RoomDatabase {
 
     private static volatile AppDatabase INSTANCE;
@@ -19,7 +19,7 @@ public abstract class AppDatabase extends RoomDatabase {
                             context.getApplicationContext(),
                             AppDatabase.class,
                             "wensiquanyong_db"
-                    ).build();
+                    ).fallbackToDestructiveMigration().build();
                 }
             }
         }
@@ -27,4 +27,5 @@ public abstract class AppDatabase extends RoomDatabase {
     }
 
     public abstract GenerationRecordDao generationRecordDao();
+    public abstract OptimizeRecordDao optimizeRecordDao();
 }

example/app/src/main/java/com/ruilaizi/example/data/db/GenerationRecordDao.java

@@ -13,9 +13,9 @@ public interface GenerationRecordDao {
     @Insert
     long insert(GenerationRecord record);
 
-    @Query("SELECT * FROM generation_records ORDER BY createdAt DESC LIMIT 10")
+    @Query("SELECT * FROM generation_records ORDER BY createdAt DESC LIMIT 50")
     LiveData<List<GenerationRecord>> getRecentRecords();
 
-    @Query("DELETE FROM generation_records WHERE id NOT IN (SELECT id FROM generation_records ORDER BY createdAt DESC LIMIT 10)")
+    @Query("DELETE FROM generation_records WHERE id NOT IN (SELECT id FROM generation_records ORDER BY createdAt DESC LIMIT 50)")
     void keepOnlyRecent();
 }

example/app/src/main/java/com/ruilaizi/example/data/db/OptimizeRecord.java

@@ -0,0 +1,34 @@
+package com.ruilaizi.example.data.db;
+
+import androidx.room.Entity;
+import androidx.room.Ignore;
+import androidx.room.PrimaryKey;
+
+/**
+ * 单条提示词优化记录，用于 Room 缓存。
+ */
+@Entity(tableName = "optimize_records")
+public class OptimizeRecord {
+
+    @PrimaryKey(autoGenerate = true)
+    public long id;
+
+    /** 用户输入的原始需求 */
+    public String userInput;
+    /** 优化后的完整提示词 */
+    public String optimizedPrompt;
+    /** 意图分析摘要（核心意图、领域等） */
+    public String intentSummary;
+    /** 创建时间戳 */
+    public long createdAt;
+
+    public OptimizeRecord() {}
+
+    @Ignore
+    public OptimizeRecord(String userInput, String optimizedPrompt, String intentSummary) {
+        this.userInput = userInput;
+        this.optimizedPrompt = optimizedPrompt;
+        this.intentSummary = intentSummary;
+        this.createdAt = System.currentTimeMillis();
+    }
+}

example/app/src/main/java/com/ruilaizi/example/data/db/OptimizeRecordDao.java

@@ -0,0 +1,21 @@
+package com.ruilaizi.example.data.db;
+
+import androidx.lifecycle.LiveData;
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+
+import java.util.List;
+
+@Dao
+public interface OptimizeRecordDao {
+
+    @Insert
+    long insert(OptimizeRecord record);
+
+    @Query("SELECT * FROM optimize_records ORDER BY createdAt DESC LIMIT 50")
+    LiveData<List<OptimizeRecord>> getRecentRecords();
+
+    @Query("DELETE FROM optimize_records WHERE id NOT IN (SELECT id FROM optimize_records ORDER BY createdAt DESC LIMIT 50)")
+    void keepOnlyRecent();
+}

example/app/src/main/java/com/ruilaizi/example/data/repository/GenerationRepository.java

@@ -11,6 +11,8 @@ import com.ruilaizi.example.data.api.StreamCallback;
 import com.ruilaizi.example.data.db.AppDatabase;
 import com.ruilaizi.example.data.db.GenerationRecord;
 import com.ruilaizi.example.data.db.GenerationRecordDao;
+import com.ruilaizi.example.data.db.OptimizeRecord;
+import com.ruilaizi.example.data.db.OptimizeRecordDao;
 import com.ruilaizi.example.data.prompt.PromptGenerator;
 
 /**
@@ -20,13 +22,15 @@ public class GenerationRepository {
 
     private final AIService aiService;
     private final ApiKeyProvider apiKeyProvider;
-    private final GenerationRecordDao dao;
+    private final GenerationRecordDao generationDao;
+    private final OptimizeRecordDao optimizeDao;
     private final PromptGenerator promptGenerator;
 
     public GenerationRepository(Context context) {
         apiKeyProvider = new ApiKeyProvider(context);
         aiService = new com.ruilaizi.example.data.api.OpenAIStreamService(null);
-        dao = AppDatabase.getInstance(context).generationRecordDao();
+        generationDao = AppDatabase.getInstance(context).generationRecordDao();
+        optimizeDao = AppDatabase.getInstance(context).optimizeRecordDao();
         promptGenerator = new PromptGenerator(new OpenAICompletionService(null), apiKeyProvider);
     }
 
@@ -72,13 +76,24 @@ public class GenerationRepository {
 
     public void saveRecord(GenerationRecord record) {
         new Thread(() -> {
-            dao.insert(record);
-            dao.keepOnlyRecent();
+            generationDao.insert(record);
+            generationDao.keepOnlyRecent();
+        }).start();
+    }
+
+    public void saveOptimizeRecord(OptimizeRecord record) {
+        new Thread(() -> {
+            optimizeDao.insert(record);
+            optimizeDao.keepOnlyRecent();
         }).start();
     }
 
     public LiveData<java.util.List<GenerationRecord>> getRecentRecords() {
-        return dao.getRecentRecords();
+        return generationDao.getRecentRecords();
+    }
+
+    public LiveData<java.util.List<OptimizeRecord>> getRecentOptimizeRecords() {
+        return optimizeDao.getRecentRecords();
     }
 
     /**

example/app/src/main/java/com/ruilaizi/example/ui/HistoryViewModel.java

@@ -0,0 +1,34 @@
+package com.ruilaizi.example.ui;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+
+import com.ruilaizi.example.data.db.GenerationRecord;
+import com.ruilaizi.example.data.db.OptimizeRecord;
+import com.ruilaizi.example.data.repository.GenerationRepository;
+
+import java.util.List;
+
+/**
+ * 历史记录 ViewModel。
+ */
+public class HistoryViewModel extends AndroidViewModel {
+
+    private final GenerationRepository repository;
+
+    public HistoryViewModel(@NonNull Application application) {
+        super(application);
+        repository = new GenerationRepository(application);
+    }
+
+    public LiveData<List<OptimizeRecord>> getOptimizeRecords() {
+        return repository.getRecentOptimizeRecords();
+    }
+
+    public LiveData<List<GenerationRecord>> getGenerationRecords() {
+        return repository.getRecentRecords();
+    }
+}

example/app/src/main/java/com/ruilaizi/example/ui/MainViewModel.java

@@ -12,6 +12,7 @@ import androidx.lifecycle.MutableLiveData;
 
 import com.ruilaizi.example.data.api.StreamCallback;
 import com.ruilaizi.example.data.db.GenerationRecord;
+import com.ruilaizi.example.data.db.OptimizeRecord;
 import com.ruilaizi.example.data.prompt.PromptGenerator;
 import com.ruilaizi.example.data.repository.GenerationRepository;
 
@@ -95,6 +96,8 @@ public class MainViewModel extends AndroidViewModel {
                 PromptGenerator.OptimizeResult result = repository.optimizePrompt(inputForOptimize, 0.7f, 1000);
                 String display = result.toDisplayText();
                 resultLiveData.postValue(display);
+                String intentSummary = "核心意图：" + result.coreIntent + " | 领域：" + result.domain + " | 预期输出：" + result.expectedOutput;
+                repository.saveOptimizeRecord(new OptimizeRecord(inputForOptimize, result.generatedPrompt, intentSummary));
                 snackbarLiveData.postValue("提示词优化完成");
             } catch (Exception e) {
                 errorLiveData.postValue(e != null ? e.getMessage() : "优化失败");

example/app/src/main/res/layout/activity_history.xml

@@ -0,0 +1,88 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@color/colorSurface">
+
+    <!-- 标题栏 -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:padding="16dp"
+        android:background="@color/colorCard">
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/btn_back"
+            style="@style/Widget.MaterialComponents.Button.TextButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/history_back"
+            android:textColor="@color/colorPrimary" />
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/history_title"
+            android:textColor="@color/colorPrimary"
+            android:textSize="20sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+
+    <!-- 切换标签 -->
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/tab_history"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/colorCard"
+        app:tabIndicatorColor="@color/colorPrimary"
+        app:tabSelectedTextColor="@color/colorPrimary"
+        app:tabTextColor="@color/colorTextSecondary"
+        app:tabMode="fixed"
+        app:tabGravity="fill" />
+
+    <!-- 列表内容 -->
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recycler_optimize"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:padding="12dp"
+            android:clipToPadding="false"
+            tools:listitem="@layout/item_optimize_history" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recycler_generation"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone"
+            android:padding="12dp"
+            android:clipToPadding="false"
+            tools:listitem="@layout/item_generation_history" />
+
+        <TextView
+            android:id="@+id/empty_optimize"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="@string/history_empty_optimize"
+            android:textColor="@color/colorTextSecondary"
+            android:visibility="gone" />
+
+        <TextView
+            android:id="@+id/empty_generation"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="@string/history_empty_generation"
+            android:textColor="@color/colorTextSecondary"
+            android:visibility="gone" />
+    </FrameLayout>
+</LinearLayout>

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

@@ -28,6 +28,13 @@
                 android:textColor="@color/colorPrimary"
                 android:textSize="24sp"
                 android:textStyle="bold" />
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/btn_history"
+                style="@style/Widget.MaterialComponents.Button.TextButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/btn_history"
+                android:layout_marginEnd="8dp" />
             <com.google.android.material.button.MaterialButton
                 android:id="@+id/btn_settings"
                 style="@style/Widget.MaterialComponents.Button.TextButton"

example/app/src/main/res/layout/item_generation_history.xml

@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.card.MaterialCardView 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"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="@color/colorCard"
+    app:cardElevation="2dp"
+    app:cardCornerRadius="12dp"
+    android:layout_marginBottom="12dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <TextView
+            android:id="@+id/tv_prompt"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textColor="@color/colorTextDark"
+            android:textSize="14sp"
+            android:maxLines="2"
+            android:ellipsize="end"
+            tools:text="提示词：写一封工作邮件..." />
+
+        <TextView
+            android:id="@+id/tv_result"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:textColor="@color/colorText"
+            android:textSize="13sp"
+            android:maxLines="4"
+            android:ellipsize="end"
+            tools:text="生成结果：尊敬的..." />
+
+        <TextView
+            android:id="@+id/tv_params"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:textColor="@color/colorTextSecondary"
+            android:textSize="11sp"
+            tools:text="长度：中 | 创意：平衡" />
+
+        <TextView
+            android:id="@+id/tv_time"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:textColor="@color/colorTextSecondary"
+            android:textSize="11sp"
+            tools:text="2025-03-02 14:30" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_marginTop="8dp">
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/btn_use"
+                style="@style/Widget.MaterialComponents.Button.TextButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/history_use" />
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/btn_copy"
+                style="@style/Widget.MaterialComponents.Button.TextButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/btn_copy" />
+        </LinearLayout>
+    </LinearLayout>
+</com.google.android.material.card.MaterialCardView>

example/app/src/main/res/layout/item_optimize_history.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.card.MaterialCardView 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"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    app:cardBackgroundColor="@color/colorCard"
+    app:cardElevation="2dp"
+    app:cardCornerRadius="12dp"
+    android:layout_marginBottom="12dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="16dp">
+
+        <TextView
+            android:id="@+id/tv_intent"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textColor="@color/colorTextSecondary"
+            android:textSize="12sp"
+            android:maxLines="2"
+            android:ellipsize="end"
+            tools:text="核心意图：创意 | 领域：文案" />
+
+        <TextView
+            android:id="@+id/tv_user_input"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:textColor="@color/colorTextDark"
+            android:textSize="14sp"
+            android:maxLines="2"
+            android:ellipsize="end"
+            tools:text="用户输入：写一封工作邮件" />
+
+        <TextView
+            android:id="@+id/tv_optimized_prompt"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            android:textColor="@color/colorText"
+            android:textSize="13sp"
+            android:maxLines="4"
+            android:ellipsize="end"
+            tools:text="优化后提示词：你是一位专业的..." />
+
+        <TextView
+            android:id="@+id/tv_time"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:textColor="@color/colorTextSecondary"
+            android:textSize="11sp"
+            tools:text="2025-03-02 14:30" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/btn_use"
+            style="@style/Widget.MaterialComponents.Button.TextButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="end"
+            android:layout_marginTop="4dp"
+            android:text="@string/history_use" />
+    </LinearLayout>
+</com.google.android.material.card.MaterialCardView>

example/app/src/main/res/values/strings.xml

@@ -21,4 +21,12 @@
     <string name="btn_copy">复制</string>
     <string name="btn_regenerate">重新生成</string>
     <string name="btn_continue">编辑/续写</string>
+    <string name="btn_history">历史</string>
+    <string name="history_title">生成历史</string>
+    <string name="history_back">返回</string>
+    <string name="history_tab_optimize">优化历史</string>
+    <string name="history_tab_generation">生成历史</string>
+    <string name="history_empty_optimize">暂无优化记录</string>
+    <string name="history_empty_generation">暂无生成记录</string>
+    <string name="history_use">使用</string>
 </resources>