android studio找不到符号编译错误

Question

我有一个来自android studio项目的源代码，该源代码抛出11个我无法修复的错误。我完全按照youtube教程视频中的有关如何创建android聊天机器人的操作，输入的源代码也没有缺陷，但由于某种原因，它无法像教程视频那样工作。我试图将大多数错误标记为导入，但它也不起作用

error: cannot find symbol variable user_query_Layout
error: cannot find symbol method isMine()
error: cannot find symbol method isImage()
error: cannot find symbol variable user_query_Layout
error: cannot find symbol variable LayoutInflater
error: cannot find symbol class TextView
error: cannot find symbol variable bots_query_Layout
error: cannot find symbol class TextView
error: cannot find symbol variable Toast


package com.example.bot2000.Adapter;

import android.content.Context;
import android.widget.ArrayAdapter;
import android.view.View;
import android.view.ViewGroup;
import java.util.List;

import com.example.bot2000.Model.ChatMessage;
import com.example.bot2000.R;

public class ChatMessageAdapter extends ArrayAdapter<ChatMessage> {

    private static final int MY_MESSAGE = 0;
    private static final int BOT_MESSAGE = 1;

    public ChatMessageAdapter(@NonNull Context context, List<ChatMessage> data) {
        super(context, R.layout.user_query_Layout, data);
    }

    @Override

    public int getItemViewType(int position) {

        ChatMessage item = getItem(position);

        if (item.isMine() && !item.isImage()) {
            return MY_MESSAGE;
        }

        else {
            return BOT_MESSAGE;

        }

    }

    @NonNull
    @Override

    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {

        int viewType = getItemViewType(position);

        if (viewType == MY_MESSAGE) {
             convertView = LayoutInflater.from(getContext())
                    .inflate(R.layout.user_query_Layout,parent, false);

            TextView textView = convertView.findViewById(R.id.text);
            textView.setText(getItem(position).getContent());
        }

        else if (viewType == BOT_MESSAGE) {
            convertView = LayoutInflater.from(getContext())
                    .inflate(R.layout.bots_query_Layout,parent, false);

            TextView textView = convertView.findViewById(R.id.text);
            textView.setText(getItem(position).getContent());


        }

        convertView.findViewById(R.id.chatMessageView).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getContext(), "Clicked...", Toast.LENGTH_SHORT).show();
            }
        });

        return convertView;
    }

    @Override
    public int getViewTypeCount() {
        return 2;

    }
}