第一次个人作业（安卓学习记录系统）05

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1.新学期目标2024-03-052.打卡2024-05-293.打卡22024-05-294.打卡32024-05-295.打卡 42024-05-296.打卡52024-06-137.打卡62024-06-138.打卡72024-06-169.打卡82024-06-1610.打卡92024-06-1611.打卡102024-06-1612.结对作业（地铁查询项目）012024-06-1613.结对作业（地铁项目）022024-06-1614.结对作业（地铁项目）032024-06-1615.结对作业（地铁项目）042024-06-1616.结对作业（地铁项目）052024-06-1617.结对作业（地铁项目）062024-06-1618.结对作业（地铁项目）072024-06-1619.结对作业（地铁项目）082024-06-1620.结对作业（地铁项目）092024-06-1621.结对作业（地铁项目）102024-06-1622.结对作业（地铁项目）112024-06-1623.结对作业（地铁项目）122024-06-1624.结对作业（地铁项目）132024-06-1625.结对作业（地铁项目）142024-06-1626.五一冲刺（政策查询系统）12024-06-1627.五一冲刺（政策查询系统）22024-06-1628.政策查询系统（安卓）12024-06-1629.政策查询系统（安卓）22024-06-1630.政策查询系统（安卓）32024-06-1631.政策查询系统（安卓）42024-06-1632.政策查询系统（安卓）52024-06-1633.政策查询系统（安卓）62024-06-1634.政策查询系统（安卓）72024-06-1635.JS开发2024-02-2836.安卓app开发相关2024-02-2837.第一次个人作业（安卓学习记录系统）012024-06-1638.第一次个人作业（安卓学习记录系统）022024-06-1639.第一次个人作业（安卓学习记录系统）032024-06-1640.第一次个人作业（安卓学习记录系统）042024-06-16

41.第一次个人作业（安卓学习记录系统）052024-06-16

42.第一次个人作业（安卓学习记录系统）062024-06-1643.第一次个人作业（安卓学习记录系统）072024-06-1644.打卡112024-06-1945.打卡122024-06-1946.打卡132024-06-1947.打卡142024-06-1948.打卡152024-06-1949.打卡162024-06-1950.打卡172024-06-1951.打卡182024-06-1952.打卡192024-06-1953.打卡202024-06-1954.python学习2024-06-1955.python学习22024-06-1956.python学习32024-06-1957.Javaweb2024-06-1958.打卡212024-06-1959.fragment学习和使用2024-06-1960.mybits学习12024-06-1961.mybits学习22024-06-1962.mybits学习32024-06-1963.课程总结2024-06-1964.个人总结2024-06-19

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GoalActivity

package com.example.app_02;

import android.annotation.SuppressLint;
import android.app.DatePickerDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.view.View;
import android.widget.DatePicker;
import android.widget.EditText;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;

import java.util.Calendar;

public class GoalActivity extends AppCompatActivity implements DatePickerDialog.OnDateSetListener, View.OnClickListener {
    private DatePicker dp_date;
    private EditText ed_goal;
    private SharedPreferences sharedPreferences;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_goal);
        dp_date=findViewById(R.id.dp_date);
        ed_goal=findViewById(R.id.ed_goal);
        findViewById(R.id.btn_save).setOnClickListener(this);
        // 获取日历的一个实例，里面包含了当前的年月日
        Calendar calendar = Calendar.getInstance();
        DatePickerDialog dialog = new DatePickerDialog(this, this, calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH));
        // 显示日期对话框
        dialog.show();

    }

    @Override
    public void onDateSet(DatePicker datePicker, int year, int month, int dayOfMonth) {
        sharedPreferences = getSharedPreferences("goal", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sharedPreferences.edit();
        editor.putString("goalDate", year + "-" + (month + 1) + "-" + dayOfMonth);
//        editor.putString("goal", ed_goal.getText().toString());
        editor.apply();
    }

    @Override
    public void onClick(View view) {
        sharedPreferences = getSharedPreferences("goal", Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sharedPreferences.edit();
        editor.putString("goal", ed_goal.getText().toString());
        editor.apply();
        Intent intent = new Intent(this, FirstPageActivity.class);
        startActivity(intent);
        finish();
    }
}
InfoActivity

package com.example.app_02;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import com.example.app_02.entity.UserInfo;
import com.example.app_02.utils.UserDao;
import com.example.app_02.utils.UserInfoDao;

public class InfoActivity extends AppCompatActivity implements View.OnClickListener {
    private EditText ed_studentid;
    private EditText ed_name;
    private EditText ed_phonenumber;
    private EditText ed_class;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_info);
        ed_studentid = findViewById(R.id.ed_studentid);
        ed_name = findViewById(R.id.ed_name);
        ed_phonenumber = findViewById(R.id.ed_phonenumber);
        ed_class = findViewById(R.id.ed_class);
        findViewById(R.id.btn_sure).setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        // 获取输入框的值
        String studentid = ed_studentid.getText().toString();
        String name = ed_name.getText().toString();
        String phonenumber = ed_phonenumber.getText().toString();
        String className = ed_class.getText().toString();
        UserInfo userInfo = new UserInfo(studentid, name, phonenumber, className);
        new Thread(new Runnable() {
            @Override
            public void run() {
                UserInfoDao userInfoDao = new UserInfoDao();
                userInfoDao.insertUserInfo(userInfo);

                Bundle bundle1 = getIntent().getExtras();
                if(bundle1 != null) {
                    String username = bundle1.getString("username", "");
                    UserDao userDao = new UserDao();
                    userDao.updateUserStudentid(userInfo, username);
                }
//                Toast.makeText(InfoActivity.this, "登记成功", Toast.LENGTH_SHORT).show();

                Intent intent = new Intent(InfoActivity.this, LoginActivity.class);

                startActivity(intent);
                finish();
            }
        }).start();

    }
}
RecordActivity

package com.example.app_02;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Handler;
import android.view.View;
import android.widget.EditText;
import android.widget.TimePicker;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

import com.example.app_02.entity.Record;
import com.example.app_02.utils.RecordDao;

import java.util.ArrayList;
import java.util.Calendar;

public class RecordActivity extends AppCompatActivity implements View.OnClickListener, TimePicker.OnTimeChangedListener {
    private TimePicker tp_time_start;
    private TimePicker tp_time_end;
    Calendar calendar = Calendar.getInstance();
    String startTime = null;
    String endTime = null;
    private EditText editTextLearningRecord;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_record);
        tp_time_start = findViewById(R.id.tp_time_start);
        tp_time_end = findViewById(R.id.tp_time_end);
        editTextLearningRecord = findViewById(R.id.editTextLearningRecord);
        findViewById(R.id.buttonSaveRecord).setOnClickListener(this);
        Calendar calendar = Calendar.getInstance();

//         构建一个时间对话框，该对话框已经集成了时间选择器。
//        TimePickerDialog dialog = new TimePickerDialog(this, android.R.style.Theme_Holo_Light_Dialog, this,
//                calendar.get(Calendar.HOUR_OF_DAY),
//                calendar.get(Calendar.MINUTE),
//                true); // true表示24小时制，false表示12小时制
//        dialog.show();

        tp_time_start.setOnTimeChangedListener(this);
        tp_time_end.setOnTimeChangedListener(this);
    }

    @Override
    public void onClick(View view) {
        if (startTime == null) {
            startTime = calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) + 1) + "-" + calendar.get(Calendar.DAY_OF_MONTH) +
                    " " + calendar.get(Calendar.HOUR_OF_DAY) + ":" + calendar.get(Calendar.MINUTE);
        }
        if (endTime == null) {
            endTime = calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) + 1) + "-" + calendar.get(Calendar.DAY_OF_MONTH) +
                    " " + calendar.get(Calendar.HOUR_OF_DAY) + ":" + calendar.get(Calendar.MINUTE);
        }
        String record = editTextLearningRecord.getText().toString();
        new Thread(new Runnable() {
            @Override
            public void run() {
                RecordDao recordDao = new RecordDao();
                Record record1 = new Record(startTime, endTime, record);
                recordDao.insertRecord(record1);
            }
        }).start();

        new Thread(new Runnable() {
            @Override
            public void run() {
                String record = "";
                ArrayList<Record> records = new ArrayList<>();
                RecordDao recordDao = new RecordDao();
                records = recordDao.findRecord();
                for (int i = 0; i < records.size(); i++) {
                    record += records.get(i).toString();
                }
                SharedPreferences sharedPreferences = getSharedPreferences("record", Context.MODE_PRIVATE);
                SharedPreferences.Editor editor = sharedPreferences.edit();//获取编辑器对象
                editor.putString("record", record);
                editor.apply();
            }
        }).start();

        Intent intent = new Intent(this, FirstPageActivity.class);
        startActivity(intent);

    }


    @Override
    public void onTimeChanged(TimePicker view, int hour, int minute) {
        String tag = (String) view.getTag();
        if (tag.equals("start")) {
            startTime = calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) + 1) +
                    "-" + calendar.get(Calendar.DAY_OF_MONTH) + " " + hour + ":" + minute;
        } else {
            endTime = calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) + 1) +
                    "-" + calendar.get(Calendar.DAY_OF_MONTH) + " " + hour + ":" + minute;
        }
    }
}