2024/3/29

今日任务：动态功能完善完毕：

package com.example.team;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.widget.EditText;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;

import com.example.R;
import com.example.team.dao.UserDao;
import com.example.team.entity.Space;

import java.util.ArrayList;

public class SpaceView extends AppCompatActivity {
    SwipeRefreshLayout sx;
    EditText tx;
    private TextView mText;

    private Handler mainHandler;//主线程

    @SuppressLint("HandlerLeak")
    private Handler handler = new Handler() {
        @Override
        public void handleMessage(@NonNull Message msg) {
            if (msg.what == 0) {
                sx.setRefreshing(false);
                tx.setText("");

                ArrayList<Space> list2 = (ArrayList<Space>) msg.obj;

                String str="";
                for (Space b : list2) {
                    str = str + b.toString() +"\n"+"---------------"+"\n";
                }

                tx.setText(str);
            }
            sx.setRefreshing(false);
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_space_view);
        tx = findViewById(R.id.tx);
        sx = findViewById(R.id.sx);

        mText = findViewById(R.id.text);
        Typeface typeface = Typeface.createFromAsset(getAssets(), "font/momo.ttf");
        mText.setTypeface(typeface);
        tx.setTypeface(typeface);

        new Thread(new Runnable() {
            @Override
            public void run() {
                Message msg = Message.obtain();
                msg.what = 0;

                Intent receivedIntent = getIntent();
                String username = receivedIntent.getStringExtra("username");

//                        List<String> usernames = userDao.getUsernamesFromFriendTable();
                if (!username.isEmpty()) {
                    msg.obj = UserDao.findAllSpacesIncludingSelf(username); // 使用第一个用户名
                } else {
                    msg.obj = new ArrayList<Space>(); // 如果用户名列表为空，传递空的Space列表
                }
                handler.sendMessage(msg);
            }
        }).start();

        sx.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        Message msg = Message.obtain();
                        msg.what = 0;


                        Intent receivedIntent = getIntent();
                        String username = receivedIntent.getStringExtra("username");

//                        List<String> usernames = userDao.getUsernamesFromFriendTable();
                        if (!username.isEmpty()) {
                            msg.obj = UserDao.findAllSpacesIncludingSelf(username); // 使用第一个用户名
                        } else {
                            msg.obj = new ArrayList<Space>(); // 如果用户名列表为空，传递空的Space列表
                        }
                        handler.sendMessage(msg);
                    }
                }).start();
            }
        });
    }
}

存在问题：暂无