AI功能基本实现完毕，但目前仅是非流式回答，另外实现了返回上一界面的原来位置

app/src/main/java/com/zjgsu/jianshu/Activity/Author_introductionActivity.kt

@@ -33,10 +33,10 @@ class Author_introductionActivity : AppCompatActivity() {
         authorwork_recyclerView.adapter = adapter
         inits()
         author_back.setOnClickListener {
-            val bookName=intent.getStringExtra("book_name")
-            val intent = Intent(this, BookInformationActivity::class.java)
-            intent.putExtra("Book_name", bookName)
-            startActivity(intent)
+//            val bookName=intent.getStringExtra("book_name")
+//            val intent = Intent(this, BookInformationActivity::class.java)
+//            intent.putExtra("Book_name", bookName)
+//            startActivity(intent)
             finish()
         }
     }

app/src/main/java/com/zjgsu/jianshu/Activity/BookInformationActivity.kt

@@ -156,15 +156,15 @@ class BookInformationActivity : AppCompatActivity() {
         }
         //TODO:不一定回到MainActivity::class，后面还要在跳转前保存上一个页面
         bookinfo_return.setOnClickListener {
-            if (sourceActivityClass != null) {
-                // 返回到上一个页面
-                val intent = Intent(this, sourceActivityClass!!)
-                startActivity(intent)
-            } else {
-                // 如果没有来源页面信息,则返回到 MainActivity
-                val intent = Intent(this, MainActivity::class.java)
-                startActivity(intent)
-            }
+//            if (sourceActivityClass != null) {
+//                // 返回到上一个页面
+//                val intent = Intent(this, sourceActivityClass!!)
+//                startActivity(intent)
+//            } else {
+//                // 如果没有来源页面信息,则返回到 MainActivity
+//                val intent = Intent(this, MainActivity::class.java)
+//                startActivity(intent)
+//            }
             finish()
         }
         addBook2.setOnClickListener {

app/src/main/java/com/zjgsu/jianshu/Activity/GoodBookActivity.kt

@@ -92,8 +92,8 @@ class GoodBookActivity : AppCompatActivity() {
     }
     private fun returnTOCity() {
         bookrank_return.setOnClickListener {
-            val intent = Intent(this, MainActivity::class.java)
-            startActivity(intent)
+//            val intent = Intent(this, MainActivity::class.java)
+//            startActivity(intent)
             finish() // 结束当前页面
         }
     }

app/src/main/java/com/zjgsu/jianshu/Activity/HotBookActivity.kt

@@ -79,8 +79,8 @@ class HotBookActivity: AppCompatActivity() {
     //TODO：未来添加一个返回到上个页面指定位置的功能
     private fun returnTOCity() {
         bookrank_return.setOnClickListener {
-            val intent = Intent(this, MainActivity::class.java)
-            startActivity(intent)
+//            val intent = Intent(this, MainActivity::class.java)
+//            startActivity(intent)
             finish() // 结束当前页面
         }
     }

app/src/main/java/com/zjgsu/jianshu/Activity/LiteratureActivity.kt

@@ -97,7 +97,8 @@ class LiteratureActivity : AppCompatActivity() {
     }
     private fun returnToBookcity(){
         categoryPage_back.setOnClickListener{
-            startActivity(Intent(this, MainActivity::class.java))
+//            startActivity(Intent(this, MainActivity::class.java))
+            finish()
         }
     }
 

app/src/main/java/com/zjgsu/jianshu/Activity/ManagementActivity.kt

@@ -95,7 +95,8 @@ class ManagementActivity:AppCompatActivity() {
     }
     private fun returnToBookcity(){
         categoryPage_back.setOnClickListener{
-            startActivity(Intent(this, MainActivity::class.java))
+//            startActivity(Intent(this, MainActivity::class.java))
+            finish()
         }
     }
 

app/src/main/java/com/zjgsu/jianshu/Activity/PhilosophyActivity.kt

@@ -96,7 +96,8 @@ class PhilosophyActivity:AppCompatActivity() {
     }
     private fun returnToBookcity(){
         categoryPage_back.setOnClickListener{
-            startActivity(Intent(this, MainActivity::class.java))
+//            startActivity(Intent(this, MainActivity::class.java))
+            finish()
         }
     }
 

app/src/main/java/com/zjgsu/jianshu/Activity/PsychologyActivity.kt

@@ -95,7 +95,8 @@ class PsychologyActivity:AppCompatActivity() {
     }
     private fun returnToBookcity(){
         categoryPage_back.setOnClickListener{
-            startActivity(Intent(this, MainActivity::class.java))
+//            startActivity(Intent(this, MainActivity::class.java))
+            finish()
         }
     }
 

app/src/main/java/com/zjgsu/jianshu/Activity/ScienceActivity.kt

@@ -96,7 +96,8 @@ class ScienceActivity:AppCompatActivity() {
     }
     private fun returnToBookcity(){
         categoryPage_back.setOnClickListener{
-            startActivity(Intent(this, MainActivity::class.java))
+//            startActivity(Intent(this, MainActivity::class.java))
+            finish()
         }
     }
 

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

@@ -20,7 +20,7 @@
                 android:layout_width="40dp"
                 android:layout_height="40dp"
                 android:layout_marginStart="10dp"
-                android:padding="8dp"
+                android:padding="4dp"
                 android:src="@drawable/return1" />
 
             <TextView

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

@@ -19,8 +19,9 @@
 
             <ImageView
                 android:id="@+id/categoryPage_back"
-                android:layout_width="35dp"
-                android:layout_height="35dp"
+                android:layout_width="40dp"
+                android:layout_height="40dp"
+                android:padding="4dp"
                 android:src="@drawable/return1" />
 
         </LinearLayout>

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

@@ -8,6 +8,7 @@
         android:id="@+id/bookinfo_return"
         android:layout_width="40dp"
         android:layout_height="40dp"
+        android:padding="4dp"
         android:src="@drawable/return1" />
 
     <TextView

hwtxtreaderlib/src/main/java/com/bifan/txtreaderlib/adapter/MessageAdapter.java

@@ -1,12 +1,17 @@
 package com.bifan.txtreaderlib.adapter;
 
+import android.annotation.SuppressLint;
+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.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
-
 import com.bifan.txtreaderlib.R;
 import com.bifan.txtreaderlib.bean.Message;
 
@@ -14,9 +19,19 @@ import java.util.List;
 
 public class MessageAdapter extends RecyclerView.Adapter<MessageAdapter.MessageViewHolder> {
     private List<Message> messages;
+    private Context context;
+    private OnRegenerateClickListener onRegenerateClickListener;
+    public void setOnRegenerateClickListener(OnRegenerateClickListener listener) {
+        this.onRegenerateClickListener = listener;
+    }
 
-    public MessageAdapter(List<Message> messages) {
+    public interface OnRegenerateClickListener {
+        void onRegenerateClick(int position);
+    }
+
+    public MessageAdapter(List<Message> messages, Context context) {
         this.messages = messages;
+        this.context = context;
     }
 
     @Override
@@ -38,17 +53,52 @@ public class MessageAdapter extends RecyclerView.Adapter<MessageAdapter.MessageV
         return new MessageViewHolder(view, viewType);
     }
 
-
     @Override
-    public void onBindViewHolder(@NonNull MessageViewHolder holder, int position) {
+    public void onBindViewHolder(@NonNull MessageViewHolder holder, @SuppressLint("RecyclerView") int position) {
         Message message = messages.get(position);
-        if (message.getIsuser() == 1) {
+        if (message.getIsuser() == 1) { // user
             holder.textViewMessage.setText(message.getContent());
-        } else {
+        } else { // bot
             holder.textViewMessage.setText(message.getContent());
+            // 检查是否为最后一条机器人消息
+            if (position == getLastBotMessagePosition()) {
+                holder.imageViewRegenerate.setVisibility(View.VISIBLE);
+            } else {
+                holder.imageViewRegenerate.setVisibility(View.GONE);
+            }
+            setupClickListeners(holder, message, position);
         }
     }
 
+    // 获取最后一条机器人消息的位置
+    public int getLastBotMessagePosition() {
+        for (int i = messages.size() - 1; i >= 0; i--) {
+            if (messages.get(i).getIsuser() == 0) { // Assuming 0 is the bot
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    private void setupClickListeners(MessageViewHolder holder, Message message, int position) {
+        holder.imageViewCopy.setOnClickListener(v -> {
+            copyTextToClipboard(message.getContent());
+        });
+
+        holder.imageViewRegenerate.setOnClickListener(view -> {
+            if (onRegenerateClickListener != null) {
+                onRegenerateClickListener.onRegenerateClick(position);
+            }
+        });
+    }
+
+    private void copyTextToClipboard(String text) {
+        ClipboardManager clipboardManager = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+        ClipData clipData = ClipData.newPlainText("copiedText", text);
+        clipboardManager.setPrimaryClip(clipData);
+        Toast.makeText(context, "已复制到剪贴板", Toast.LENGTH_SHORT).show();
+    }
+
     @Override
     public int getItemCount() {
         return messages.size();
@@ -56,14 +106,17 @@ public class MessageAdapter extends RecyclerView.Adapter<MessageAdapter.MessageV
 
     static class MessageViewHolder extends RecyclerView.ViewHolder {
         TextView textViewMessage;
-
+        ImageView imageViewCopy;
+        ImageView imageViewRegenerate;
         MessageViewHolder(View itemView, int viewType) {
             super(itemView);
             if (viewType == 1) {  // 假设 1 是用户消息
                 textViewMessage = itemView.findViewById(R.id.textViewMessageUser);
             } else {  // 非 1 即机器人消息
                 textViewMessage = itemView.findViewById(R.id.textViewMessageBot);
+                imageViewCopy = itemView.findViewById(R.id.imageViewCopy);
+                imageViewRegenerate=itemView.findViewById(R.id.imageViewRegenerate);
             }
         }
     }
-}
+}

hwtxtreaderlib/src/main/java/com/bifan/txtreaderlib/bean/ChatMessage_bmob.java

@@ -8,6 +8,10 @@ public class ChatMessage_bmob extends BmobObject {
     private String relatedBook;
     private String userid;
 
+    public ChatMessage_bmob() {
+
+    }
+
     public String getContent() {
         return content;
     }

hwtxtreaderlib/src/main/java/com/bifan/txtreaderlib/bean/ChatResponse.java

@@ -32,6 +32,14 @@ public class ChatResponse {
     String model;
     public List<Choice> choices;
 
+    public List<Choice> getChoices() {
+        return choices;
+    }
+
+    public void setChoices(List<Choice> choices) {
+        this.choices = choices;
+    }
+
     public static class Choice {
         int index;
         public Message message;

hwtxtreaderlib/src/main/java/com/bifan/txtreaderlib/bean/GenerateQue_bmob.java

@@ -0,0 +1,60 @@
+package com.bifan.txtreaderlib.bean;
+
+import cn.bmob.v3.BmobObject;
+
+public class GenerateQue_bmob extends BmobObject {
+    private String relatedBook;
+    private String userid;
+    private String ques1;
+    private String ques2;
+    private String ques3;
+
+    public GenerateQue_bmob(String relatedBook, String userid, String ques1, String ques2, String ques3) {
+        this.relatedBook = relatedBook;
+        this.userid = userid;
+        this.ques1 = ques1;
+        this.ques2 = ques2;
+        this.ques3 = ques3;
+    }
+    public GenerateQue_bmob(){}
+
+    public String getRelatedBook() {
+        return relatedBook;
+    }
+
+    public void setRelatedBook(String relatedBook) {
+        this.relatedBook = relatedBook;
+    }
+
+    public String getUserid() {
+        return userid;
+    }
+
+    public void setUserid(String userid) {
+        this.userid = userid;
+    }
+
+    public String getQues1() {
+        return ques1;
+    }
+
+    public void setQues1(String ques1) {
+        this.ques1 = ques1;
+    }
+
+    public String getQues2() {
+        return ques2;
+    }
+
+    public void setQues2(String ques2) {
+        this.ques2 = ques2;
+    }
+
+    public String getQues3() {
+        return ques3;
+    }
+
+    public void setQues3(String ques3) {
+        this.ques3 = ques3;
+    }
+}

hwtxtreaderlib/src/main/java/com/bifan/txtreaderlib/ui/ChatWithGptActivity.java

@@ -1,16 +1,21 @@
 package com.bifan.txtreaderlib.ui;
 
+import android.content.ClipboardManager;
 import android.content.Context;
+import android.content.Intent;
 import android.content.SharedPreferences;
+import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.widget.NestedScrollView;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -19,6 +24,7 @@ import com.bifan.txtreaderlib.adapter.MessageAdapter;
 import com.bifan.txtreaderlib.bean.ChatMessage_bmob;
 import com.bifan.txtreaderlib.bean.ChatRequest;
 import com.bifan.txtreaderlib.bean.ChatResponse;
+import com.bifan.txtreaderlib.bean.GenerateQue_bmob;
 import com.bifan.txtreaderlib.bean.Message;
 import com.bifan.txtreaderlib.interfaces.ChatGPTService;
 
@@ -26,14 +32,18 @@ import org.json.JSONObject;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 import cn.bmob.v3.Bmob;
 import cn.bmob.v3.BmobQuery;
 import cn.bmob.v3.exception.BmobException;
 import cn.bmob.v3.listener.FindListener;
 import cn.bmob.v3.listener.SaveListener;
+import cn.bmob.v3.listener.UpdateListener;
 import okhttp3.OkHttpClient;
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -41,15 +51,17 @@ import retrofit2.Response;
 import retrofit2.Retrofit;
 import retrofit2.converter.gson.GsonConverterFactory;
 
-public class ChatWithGptActivity extends AppCompatActivity {
+public class ChatWithGptActivity extends AppCompatActivity implements MessageAdapter.OnRegenerateClickListener {
     private RecyclerView recyclerView;
     private MessageAdapter messageAdapter;
     private EditText editTextMessage;
     private TextView chatbot_title;
-    private Button buttonSend;
+    private ImageView buttonSend,chat_return;
     private String bookName = "";
-    private String userid="";
+    private String userid = "";
+    private String lastUserQuestion = ""; // 全局变量来存储最后一条用户消息
     private ArrayList<Message> messageList = new ArrayList<>();
+    private TextView questionView1, questionView2, questionView3;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -62,41 +74,99 @@ public class ChatWithGptActivity extends AppCompatActivity {
         SharedPreferences sharedPreferences = getSharedPreferences("userinf", Context.MODE_PRIVATE);
         String userIdFromPrefs = sharedPreferences.getString("user_id", "");
         userid = userIdFromPrefs != null ? userIdFromPrefs : "";
-
-        recyclerView = findViewById(R.id.chatRecyclerView);
-        editTextMessage = findViewById(R.id.inputEditText);
-        buttonSend = findViewById(R.id.sendButton);
-        chatbot_title=findViewById(R.id.chatbot_title);
-        messageAdapter = new MessageAdapter(messageList);
-        recyclerView.setLayoutManager(new LinearLayoutManager(this));
-        recyclerView.setAdapter(messageAdapter);
+        setupViews();
         init();
-        buttonSend.setOnClickListener(new View.OnClickListener() {
+        initgenerateUserQuestions();
+        loadLastUserMessage();
+        setupListeners();
+    }
+
+    private void setupListeners() {
+        buttonSend.setOnClickListener(v -> sendandStoreMessage(editTextMessage.getText().toString()));
+
+        View.OnClickListener questionClickListener = view -> {
+            TextView questionView = (TextView) view;
+            String message = questionView.getText().toString();
+            clearQuestionsVisibility();
+            sendandStoreMessage(message);
+        };
+
+        questionView1.setOnClickListener(questionClickListener);
+        questionView2.setOnClickListener(questionClickListener);
+        questionView3.setOnClickListener(questionClickListener);
+        chat_return.setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View v) {
-                String text = editTextMessage.getText().toString();
-                if (!text.isEmpty()) {
-                    messageList.add(new Message(text, 1)); // User message
-                    messageAdapter.notifyItemInserted(messageList.size() - 1);
-                    recyclerView.scrollToPosition(messageList.size() - 1);
-                    editTextMessage.setText("");
-                    sendMessageToChatGPT(text);
-                    ChatMessage_bmob chatMessage_bmob=new ChatMessage_bmob(text,1,bookName,userid);
-                    chatMessage_bmob.save(new SaveListener<String>() {
-                        @Override
-                        public void done(String objectId,BmobException e) {
-                            if(e==null){
+            public void onClick(View view) {
+                finish();
+            }
+        });
+    }
+
+    private void clearQuestionsVisibility() {
+        questionView1.setVisibility(View.GONE);
+        questionView2.setVisibility(View.GONE);
+        questionView3.setVisibility(View.GONE);
+    }
+
+    private void sendandStoreMessage(String text) {
+        messageList.add(new Message(text, 1)); // User message
+        messageAdapter.notifyItemInserted(messageList.size() - 1);
+        editTextMessage.setText("");
+        sendMessageToChatGPT(text);
+        lastUserQuestion=text;
+        storeMessage(text,1);
+    }
+    private void storeMessage(String text,int isuser){
+        ChatMessage_bmob chatMessage_bmob = new ChatMessage_bmob(text, isuser, bookName, userid);
+        chatMessage_bmob.save(new SaveListener<String>() {
+            @Override
+            public void done(String objectId, BmobException e) {
+                if (e == null) {
 //                                toast("添加数据成功，返回objectId为："+objectId);
-                            }else{
-                                //toast("创建数据失败：" + e.getMessage());
-                            }
-                        }
-                    });
+                } else {
+                    //toast("创建数据失败：" + e.getMessage());
                 }
             }
         });
     }
-    private void init(){
+
+    private void setupViews() {
+        recyclerView = findViewById(R.id.chatRecyclerView);
+        editTextMessage = findViewById(R.id.inputEditText);
+        buttonSend = findViewById(R.id.sendButton);
+        chatbot_title = findViewById(R.id.chatbot_title);
+        questionView1 = findViewById(R.id.question1);
+        questionView2 = findViewById(R.id.question2);
+        questionView3 = findViewById(R.id.question3);
+        chat_return=findViewById(R.id.chat_return);
+        messageAdapter = new MessageAdapter(messageList, this);
+        messageAdapter.setOnRegenerateClickListener(this);
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        recyclerView.setAdapter(messageAdapter);
+    }
+
+    private void loadLastUserMessage() {
+        BmobQuery<ChatMessage_bmob> bmobQuery = new BmobQuery<>();
+        bmobQuery.addWhereEqualTo("relatedBook", bookName);
+        bmobQuery.addWhereEqualTo("userid", userid);
+        bmobQuery.addWhereEqualTo("isuser", 1); // 只查找用户的消息
+        bmobQuery.order("-createdAt"); // 按创建时间降序排列，以确保最新的消息排在最前
+        bmobQuery.setLimit(1); // 只获取一条记录
+
+        bmobQuery.findObjects(new FindListener<ChatMessage_bmob>() {
+            @Override
+            public void done(List<ChatMessage_bmob> messages, BmobException e) {
+                if (e == null && messages != null && !messages.isEmpty()) {
+                    lastUserQuestion = messages.get(0).getContent(); // 获取最新的用户消息
+                    // 可以在此处更新界面或处理消息
+                } else {
+                    Log.e("ChatActivity", "No recent user message found, or error fetching data: " + (e != null ? e.getMessage() : "No details"));
+                }
+            }
+        });
+    }
+
+    private void init() {
         chatbot_title.setText(bookName);
         BmobQuery<ChatMessage_bmob> bmobQuery = new BmobQuery<>();
         bmobQuery.addWhereEqualTo("relatedBook", bookName);
@@ -118,13 +188,13 @@ public class ChatWithGptActivity extends AppCompatActivity {
                         // 如果没有消息，添加一条 bot 的欢迎消息
                         String welcomeMessage = "你好！我是你的阅读助手。我可以帮助你解答关于书籍的各种问题，比如内容概述、作者信息、主要主题和角色分析等。请随时向我提问，现在，你有什么关于《" + bookName + "》的问题吗？";
                         messageList.add(new Message(welcomeMessage, 0)); // 假设 0 表示系统或助手消息
-                        ChatMessage_bmob chatMessage_bmob=new ChatMessage_bmob(welcomeMessage,0,bookName,userid);
+                        ChatMessage_bmob chatMessage_bmob = new ChatMessage_bmob(welcomeMessage, 0, bookName, userid);
                         chatMessage_bmob.save(new SaveListener<String>() {
                             @Override
-                            public void done(String objectId,BmobException e) {
-                                if(e==null){
+                            public void done(String objectId, BmobException e) {
+                                if (e == null) {
 //                                toast("添加数据成功，返回objectId为："+objectId);
-                                }else{
+                                } else {
                                     //toast("创建数据失败：" + e.getMessage());
                                 }
                             }
@@ -139,6 +209,58 @@ public class ChatWithGptActivity extends AppCompatActivity {
         });
     }
 
+    private void initgenerateUserQuestions() {
+        BmobQuery<ChatMessage_bmob> bmobQuery = new BmobQuery<>();
+        bmobQuery.addWhereEqualTo("relatedBook", bookName);
+        bmobQuery.addWhereEqualTo("userid", userid);
+        bmobQuery.addWhereEqualTo("isuser", 1);
+        bmobQuery.findObjects(new FindListener<ChatMessage_bmob>() {
+            @Override
+            public void done(List<ChatMessage_bmob> messages, BmobException e) {
+                if (e == null && messages != null) {
+                    if (!messages.isEmpty()) {
+                        BmobQuery<GenerateQue_bmob> bmobQueryGen = new BmobQuery<>();
+                        bmobQueryGen.addWhereEqualTo("relatedBook", bookName);
+                        bmobQueryGen.addWhereEqualTo("userid", userid);
+                        bmobQueryGen.findObjects(new FindListener<GenerateQue_bmob>() {
+                            @Override
+                            public void done(List<GenerateQue_bmob> list, BmobException e) {
+                                if (e == null) {
+                                    for (GenerateQue_bmob generateQue : list) {
+                                        if (generateQue.getQues1() != null) {
+                                            questionView1.setVisibility(View.VISIBLE);
+                                            questionView1.setText(generateQue.getQues1());
+                                        }
+                                        if (generateQue.getQues2() != null) {
+                                            questionView2.setVisibility(View.VISIBLE);
+                                            questionView2.setText(generateQue.getQues2());
+                                        }
+                                        if (generateQue.getQues2() != null) {
+                                            questionView3.setVisibility(View.VISIBLE);
+                                            questionView3.setText(generateQue.getQues3());
+                                        }
+                                    }
+                                } else {
+
+                                }
+                            }
+                        });
+                    } else {
+                        questionView1.setVisibility(View.VISIBLE);
+                        questionView1.setText("请告诉我有关这本书的内容概述。");
+                        questionView2.setVisibility(View.VISIBLE);
+                        questionView2.setText("请告诉有关这本书作者的信息。");
+                        questionView3.setVisibility(View.VISIBLE);
+                        questionView3.setText("请告诉我这本书的主题是什么。");
+                    }
+                    messageAdapter.notifyDataSetChanged();
+                } else {
+                    Log.e("BookInfo", "Error loading book info: " + (e != null ? e.getMessage() : ""));
+                }
+            }
+        });
+    }
+
     /**
      * 从数据库加载历史对话并构建消息列表
      */
@@ -147,18 +269,17 @@ public class ChatWithGptActivity extends AppCompatActivity {
         BmobQuery<ChatMessage_bmob> bmobQuery = new BmobQuery<>();
         bmobQuery.addWhereEqualTo("relatedBook", bookName);
         bmobQuery.addWhereEqualTo("userid", userId);
-        bmobQuery.order("createdAt");
+        bmobQuery.order("-createdAt");
         bmobQuery.setLimit(10);     //设置上下文最多10条历史对话
         bmobQuery.findObjects(new FindListener<ChatMessage_bmob>() {
             @Override
             public void done(List<ChatMessage_bmob> chatMessages, BmobException e) {
                 if (e == null && chatMessages != null && !chatMessages.isEmpty()) {
                     for (ChatMessage_bmob item : chatMessages) {
-                        // 根据消息来源判断角色，假设 0 表示用户，1 表示助手
                         String role = item.getIsuser() == 0 ? "user" : "assistant";
                         messages.add(new ChatRequest.Message(role, item.getContent()));
-                        Log.d("test",item.getContent());
                     }
+                    Collections.reverse(messages); // 反转列表以使消息按时间升序排列, 展示最近的10条数据，按时间顺序。
                 } else {
                     Log.e("BookInfo", "Error loading book info: " + (e != null ? e.getMessage() : "No error details."));
                 }
@@ -168,6 +289,7 @@ public class ChatWithGptActivity extends AppCompatActivity {
     }
 
     private void sendMessageToChatGPT(String messageText) {
+        buttonSend.setImageResource(R.drawable.ic_loading);
         OkHttpClient client = new OkHttpClient.Builder()
                 .connectTimeout(60, TimeUnit.SECONDS)
                 .readTimeout(60, TimeUnit.SECONDS)
@@ -180,16 +302,25 @@ public class ChatWithGptActivity extends AppCompatActivity {
                 .build();
         ChatGPTService service = retrofit.create(ChatGPTService.class);
         List<ChatRequest.Message> messages = new ArrayList<>();
-        String prompt = "你好！我是你的阅读助手。我可以帮助你解答关于书籍的各种问题，比如内容概述、作者信息、主要主题和角色分析等。请随时向我提问，我会用中文简体来回答你。现在，你有什么关于《" + bookName + "》的问题吗？";
-        messages.add(new ChatRequest.Message("system", prompt));
+        String prompt = "你好！我是你的阅读助手。";
 
-//        messages.add(new ChatRequest.Message("system", "You are a reading assistant. The user will ask you questions about the book '" + bookName + "'."));
+        if (messageText.equals("请告诉我更多内容。") && !lastUserQuestion.isEmpty()) {
+            // 特别关注用户的上一个问题
+            prompt += "你之前问了关于《" + bookName + "》的'" + lastUserQuestion + "'。关于这个问题，你需要更多的哪方面信息？";
+        } else if (!lastUserQuestion.isEmpty()) {
+            // 处理正常的用户问题
+            prompt += "关于你之前的问题：" + lastUserQuestion + "，你需要我提供更多的信息吗？或者，你有其他关于《" + bookName + "》的新问题吗？";
+        } else {
+            // 没有历史问题的情况
+            prompt += "我可以帮助你解答关于《" + bookName + "》的各种问题，比如内容概述、作者信息、主要主题和角色分析等。请随时向我提问，现在，你有什么问题吗？";
+        }
+        messages.add(new ChatRequest.Message("system", prompt));
         messages.addAll(loadMessagesFromDatabase(bookName, userid));
         messages.add(new ChatRequest.Message("user", messageText));  // 添加用户消息
 
         ChatRequest request = new ChatRequest(messages);  // 使用消息列表创建请求
         request.setModel("gpt-4-turbo"); // 根据需要选择不同的模型
-        request.setMaxTokens(200); // 设置最大 token 数，根据需要调整
+        request.setMaxTokens(50); // 设置最大 token 数，根据需要调整
         request.setTemperature(0.5); // 设置适当的温度
         service.postMessage(request).enqueue(new Callback<ChatResponse>() {
             @Override
@@ -201,19 +332,11 @@ public class ChatWithGptActivity extends AppCompatActivity {
                         String reply = message.content; // 这是从 GPT-3.5 响应中提取的内容
                         runOnUiThread(() -> {
                             messageList.add(new Message(reply, 0));
-                            messageAdapter.notifyItemInserted(messageList.size() - 1);
-                            recyclerView.scrollToPosition(messageList.size() - 1);
-                            ChatMessage_bmob chatMessage_bmob = new ChatMessage_bmob(reply, 0, bookName, userid);
-                            chatMessage_bmob.save(new SaveListener<String>() {
-                                @Override
-                                public void done(String objectId, BmobException e) {
-                                    if (e == null) {
-                                        // toast("添加数据成功，返回objectId为：" + objectId);
-                                    } else {
-                                        // toast("创建数据失败：" + e.getMessage());
-                                    }
-                                }
-                            });
+                            messageAdapter.notifyDataSetChanged();
+                            moveToNewest();
+                            buttonSend.setImageResource(R.drawable.ic_send);
+                            generateUserQuestions(reply);
+                            storeMessage(reply,0);
                         });
                     }
                 } else {
@@ -226,6 +349,124 @@ public class ChatWithGptActivity extends AppCompatActivity {
                 }
             }
 
+            @Override
+            public void onFailure(Call<ChatResponse> call, Throwable t) {
+                String content="机器人响应超时，请重新生成回答！";
+                buttonSend.setImageResource(R.drawable.ic_send);
+                messageList.add(new Message(content, 0));
+                messageAdapter.notifyDataSetChanged();
+                moveToNewest();
+                storeMessage(content,0);
+                Log.e("ChatGPT", "Failure: " + t.getMessage());
+            }
+        });
+    }
+    //自动移动至最新回答
+private void moveToNewest(){
+    NestedScrollView nestedScrollView = findViewById(R.id.nestedScrollView);
+    recyclerView.post(() -> {
+        // 确保最后一条消息可见
+        if (messageList.size() > 0) {
+            recyclerView.scrollToPosition(messageList.size() - 1);
+            recyclerView.post(() -> {
+                // 获取最后一个视图的引用
+                View lastChild = recyclerView.getChildAt(recyclerView.getChildCount() - 1);
+                int bottom = lastChild.getBottom() + recyclerView.getPaddingBottom();
+                int sy = nestedScrollView.getScrollY();
+                int sh = nestedScrollView.getHeight();
+                int delta = bottom - (sy + sh);
+                nestedScrollView.smoothScrollBy(0, delta);
+            });
+        }
+    });
+}
+    //回调函数，重新生成回答
+    @Override
+    public void onRegenerateClick(int position) {
+        questionView1.setVisibility(View.GONE);
+        questionView2.setVisibility(View.GONE);
+        questionView3.setVisibility(View.GONE);
+        BmobQuery<ChatMessage_bmob> bmobQuery = new BmobQuery<>();
+        bmobQuery.addWhereEqualTo("relatedBook", bookName);
+        bmobQuery.addWhereEqualTo("userid", userid);
+        bmobQuery.addWhereEqualTo("isuser", 0);
+        bmobQuery.order("-createdAt");
+        bmobQuery.setLimit(2);
+        bmobQuery.findObjects(new FindListener<ChatMessage_bmob>() {
+            @Override
+            public void done(List<ChatMessage_bmob> chatMessages, BmobException e) {
+                if (e == null && chatMessages != null && !chatMessages.isEmpty()) {
+                    for (ChatMessage_bmob item : chatMessages) {
+                        ChatMessage_bmob chatMessage_bmob = new ChatMessage_bmob();
+                        chatMessage_bmob.setObjectId(item.getObjectId());
+                        chatMessage_bmob.delete(new UpdateListener() {
+                            @Override
+                            public void done(BmobException e) {
+                                if (e == null) {
+                                    // 删除成功
+                                    runOnUiThread(new Runnable() {
+                                        @Override
+                                        public void run() {
+                                            messageList.remove(position);
+                                            messageAdapter.notifyItemRemoved(position);
+                                            messageAdapter.notifyItemRangeChanged(position, messageList.size());
+                                            sendMessageToChatGPT(lastUserQuestion);
+                                        }
+                                    });
+                                } else {
+                                    // 删除失败
+                                }
+                            }
+                        });
+                    }
+                }
+            }
+        });
+    }
+
+    //模拟生成用户回答
+    private void generateUserQuestions(String lastBotReply) {
+        OkHttpClient client = new OkHttpClient.Builder()
+                .connectTimeout(60, TimeUnit.SECONDS)
+                .readTimeout(60, TimeUnit.SECONDS)
+                .writeTimeout(60, TimeUnit.SECONDS)
+                .build();
+        Retrofit retrofit = new Retrofit.Builder()
+                .client(client)
+                .baseUrl("https://api.openai-ch.top/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+        ChatGPTService service = retrofit.create(ChatGPTService.class);
+
+        // 构建请求数据
+        List<ChatRequest.Message> messages = new ArrayList<>();
+        messages.add(new ChatRequest.Message("system", "请你模拟用户的口吻，基于《" + bookName + "》" +
+                "的内容，请根据上一条聊天机器人的回复，生成两个读者可能的简短提问，每个提问不多于20个字，每个问题占一行,以序号开头，示例如下：1.勒庞是否提出了群体心理中的自我意识丧失和传染性特征？" +
+                "2.《乌合之众》是否强调了群体行为易受领导者情感诉求的影响？"));
+        messages.add(new ChatRequest.Message("user", lastBotReply));  // 模拟用户的提问
+
+        ChatRequest request = new ChatRequest(messages);
+        request.setModel("gpt-3.5-turbo");
+        request.setMaxTokens(60); // 增加 token 数以生成多个问题
+        request.setTemperature(0.9); // 较高温度以增加多样性
+
+        service.postMessage(request).enqueue(new Callback<ChatResponse>() {
+            @Override
+            public void onResponse(Call<ChatResponse> call, Response<ChatResponse> response) {
+                if (response.isSuccessful() && response.body() != null) {
+                    ChatResponse chatResponse = response.body();
+                    List<String> questions = extractQuestions(chatResponse);
+                    runOnUiThread(() -> displayQuestions(questions));
+                } else {
+                    try {
+                        String errorBody = response.errorBody() != null ? response.errorBody().string() : "Unknown error";
+                        Log.e("ChatGPT", "Error: " + errorBody);
+                    } catch (IOException e) {
+                        Log.e("ChatGPT", "Error reading error body", e);
+                    }
+                }
+            }
+
             @Override
             public void onFailure(Call<ChatResponse> call, Throwable t) {
                 Log.e("ChatGPT", "Failure: " + t.getMessage());
@@ -233,5 +474,88 @@ public class ChatWithGptActivity extends AppCompatActivity {
         });
     }
 
+    // 提取问题
+    private List<String> extractQuestions(ChatResponse response) {
+        GenerateQue_bmob generateQue_bmob = new GenerateQue_bmob();
+        generateQue_bmob.setQues1("请告诉我更多。");
+        generateQue_bmob.setUserid(userid);
+        generateQue_bmob.setRelatedBook(bookName);
+        List<String> questions = new ArrayList<>();
 
+        if (response.getChoices() != null && !response.getChoices().isEmpty()) {
+            String text = response.choices.get(0).message.content;
+            if (text != null && !text.trim().isEmpty()) {
+                Log.d("ChatGPT Response:", text);
+                String[] lines = text.trim().split("\\r?\\n");
+                int questionIndex = 2; // Start from ques2 since ques1 is set by default
+
+                for (String line : lines) {
+                    if (line.matches("^\\d+\\.\\s+.*")) {
+                        String cleanedLine = line.replaceFirst("^\\d+\\.\\s*", "");
+                        if (!cleanedLine.trim().isEmpty()) {
+                            questions.add(cleanedLine);
+                            // Set questions to Bmob object based on availability
+                            if (questionIndex == 2) {
+                                generateQue_bmob.setQues2(cleanedLine);
+                                questionIndex++;
+                            } else if (questionIndex == 3) {
+                                generateQue_bmob.setQues3(cleanedLine);
+                                questionIndex++;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        BmobQuery<GenerateQue_bmob> bmobQuery = new BmobQuery<>();
+        bmobQuery.addWhereEqualTo("relatedBook", bookName);
+        bmobQuery.addWhereEqualTo("userid", userid);
+        bmobQuery.findObjects(new FindListener<GenerateQue_bmob>() {
+            @Override
+            public void done(List<GenerateQue_bmob> list, BmobException e) {
+                if (e == null && !list.isEmpty()) {
+                    generateQue_bmob.update(list.get(0).getObjectId(), new UpdateListener() {
+                        @Override
+                        public void done(BmobException e) {
+                            if (e == null) {
+                                //toast("更新成功:"+p2.getUpdatedAt());
+                            } else {
+                                //toast("更新失败：" + e.getMessage());
+                            }
+                        }
+                    });
+                } else {
+                    // Save the Bmob object to database
+                    generateQue_bmob.save(new SaveListener<String>() {
+                        @Override
+                        public void done(String objectId, BmobException e) {
+                            if (e == null) {
+                                Log.d("Save Successful", "Object saved with objectId: " + objectId);
+                            } else {
+                                Log.e("Save Failed", "Error saving object: " + e.getMessage());
+                            }
+                        }
+                    });
+                }
+            }
+        });
+        return questions;
+    }
+
+
+    // 将问题显示在 UI 上的逻辑
+    private void displayQuestions(List<String> questions) {
+        questionView1.setText("请告诉我更多内容。");
+        questionView1.setVisibility(View.VISIBLE);
+
+        // Display questions based on size
+        if (questions.size() > 0) {
+            questionView2.setText(questions.get(0));
+            questionView2.setVisibility(View.VISIBLE);
+        }
+        if (questions.size() > 1) {
+            questionView3.setText(questions.get(1));
+            questionView3.setVisibility(View.VISIBLE);
+        }
+    }
 }

hwtxtreaderlib/src/main/res/drawable/rounded_question_background.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@android:color/white" />
+    <corners android:radius="8dp" />
+    <stroke
+        android:width="1dp"
+        android:color="@android:color/black" />
+</shape>

hwtxtreaderlib/src/main/res/layout/activity_chatwithgpt.xml

@@ -1,4 +1,3 @@
-<?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"
@@ -6,52 +5,122 @@
     android:layout_height="match_parent"
     tools:context=".ui.ChatWithGptActivity">
 
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/nestedScrollView"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@id/inputEditText"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/chatbot_title">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <!-- RecyclerView 聊天区域 -->
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/chatRecyclerView"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+            <!-- Question Container -->
+            <LinearLayout
+                android:id="@+id/questionContainer"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:orientation="vertical">
+
+                <TextView
+                    android:id="@+id/question1"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    android:layout_marginBottom="8dp"
+                    android:background="@drawable/rounded_question_background"
+                    android:padding="4dp"
+                    android:text="请告诉我更多。"
+                    android:textColor="@android:color/black"
+                    android:textSize="14sp" />
+
+                <TextView
+                    android:id="@+id/question2"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    android:layout_marginBottom="8dp"
+                    android:background="@drawable/rounded_question_background"
+                    android:padding="4dp"
+                    android:text="testtesttesttesttesttest"
+                    android:textColor="@android:color/black"
+                    android:textSize="14sp"
+                    android:visibility="gone" />
+
+                <TextView
+                    android:id="@+id/question3"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginLeft="8dp"
+                    android:layout_marginRight="8dp"
+                    android:layout_marginBottom="8dp"
+                    android:background="@drawable/rounded_question_background"
+                    android:padding="4dp"
+                    android:text="testtesttesttesttesttest"
+                    android:textColor="@android:color/black"
+                    android:textSize="14sp"
+                    android:visibility="gone" />
+
+            </LinearLayout>
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
+
+    <ImageView
+        android:id="@+id/chat_return"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:src="@drawable/ic_return"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toStartOf="@id/chatbot_title"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="@id/chatbot_title" />
+
     <!-- 标题栏 -->
     <TextView
         android:id="@+id/chatbot_title"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:text="书名"
-        android:textSize="20sp"
-        android:gravity="center"
         android:layout_marginTop="16dp"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"/>
-
-    <!-- RecyclerView 聊天区域 -->
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/chatRecyclerView"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:layout_marginTop="8dp"
-        app:layout_constraintTop_toBottomOf="@id/chatbot_title"
-        app:layout_constraintBottom_toTopOf="@id/inputEditText"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"/>
+        android:text="书名"
+        android:textSize="22sp"
+        android:gravity="center"
+        app:layout_constraintStart_toEndOf="@id/chat_return"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <!-- 输入框 -->
     <EditText
         android:id="@+id/inputEditText"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:layout_marginRight="8dp"
         android:layout_marginBottom="16dp"
         android:hint="输入消息..."
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toLeftOf="@id/sendButton"
-        android:layout_marginLeft="16dp"
-        android:layout_marginRight="8dp" />
+        app:layout_constraintRight_toLeftOf="@id/sendButton" />
 
-    <!-- 发送按钮 -->
-    <Button
+    <ImageView
         android:id="@+id/sendButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="发送"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_marginRight="16dp"
         android:layout_marginBottom="16dp"
+        android:src="@drawable/ic_send"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        android:layout_marginRight="16dp" />
-
+        app:layout_constraintRight_toRightOf="parent"></ImageView>
 </androidx.constraintlayout.widget.ConstraintLayout>

hwtxtreaderlib/src/main/res/layout/item_message_bot.xml

@@ -29,7 +29,6 @@
         android:src="@drawable/ic_copy"
         android:layout_marginLeft="5dp"
         android:alpha="0.6"
-        android:visibility="gone"
         android:contentDescription="Copy text" />
 
     <ImageView
@@ -39,7 +38,6 @@
         android:src="@drawable/ic_regenerate"
         android:layout_marginLeft="5dp"
         android:alpha="0.6"
-        android:visibility="gone"
         android:contentDescription="Regenerate response" />
 </LinearLayout>
 </LinearLayout>