416打卡

所有打卡记录
• 所花时间：2
• 代码行数：184
• 博客容量：1
• 代码如下：

<?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/mainBackground">

    <TextView
        android:layout_marginTop="35dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="25sp"
        android:textColor="@color/white"
        android:text="请输入查询关键字"
        />
    <EditText
        android:textColor="@color/white"
        android:layout_marginTop="25dp"
        android:id="@+id/et_id"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/my_edit"
        android:layout_marginBottom="25dp"
        />

    <Button
        android:id="@+id/bt_submit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/my_button"
        android:layout_gravity="center"
        android:text="查询"
        android:textColor="@color/white"/>


    <TextView
        android:text="学习记录："
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/tv_first"
        android:textColor="@color/white"
        android:textSize="22sp"
        android:layout_marginTop="20dp"/>

    <ListView
        android:id="@+id/learns"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:divider="@null"
        android:background="@color/white"
        android:dividerHeight="0dp"
        />

</LinearLayout>

package com.example.undertaking;

import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

import com.example.undertaking.TaskPackage.DayDAO;
import com.example.undertaking.TaskPackage.DayTask;
import com.example.undertaking.TaskPackage.WeekTask;
import com.example.undertaking.util.ToastUtil;

import java.util.ArrayList;
import java.util.List;

public class everydaySelect extends AppCompatActivity implements View.OnClickListener {

    private EditText editText;
    private String id;
    private ListView listView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_everyday_select);
        editText = findViewById(R.id.et_id);
        listView = findViewById(R.id.learns);
        findViewById(R.id.bt_submit).setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        id = editText.getText().toString();
        DayDAO.queryByValue(id, new DayDAO.DayDaoQueryByValueListener() {
            @Override
            public void OperationCompletely(List<DayTask> ls) {
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        if (ls==null){
                            ToastUtil.show(everydaySelect.this,"无结果");
                        }else {
                        updateLearnDays(ls);}
                    }
                });
            }
        });

    }
    private void updateLearnDays(List<DayTask> dayList) {
        // 创建一个字符串列表用于存储 DayTask 对象的字符串表示形式
        List<String> dayStrings = new ArrayList<>();
        for (DayTask dayTask : dayList) {
            // 将每个 DayTask 对象转换为字符串，并添加到列表中
            dayStrings.add("学生姓名:"+dayTask.stuID+"\n"+dayTask.toString());
        }

        // 创建适配器并将其应用到 ListView 上
        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, dayStrings);
        listView.setAdapter(adapter);
    }
}