每日总结-23.3.17

今天写了打卡关于记录和检测连续打卡时长的代码

package com.example.daka1;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.icu.util.Calendar;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import java.util.Date;

public class Dakajiemian extends AppCompatActivity {

    private MySQLiteHelper mySQLiteHelper;
    DatePicker datePicker;
    int year; //今年
    int month; //当前月份
    int day; //今天
    private EditText guanjianzi,meirizongjie;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dakajiemian);

        Button querendaka=(Button)findViewById(R.id.querendaka);

        guanjianzi=findViewById(R.id.shuru_guanjianzi);
        meirizongjie=findViewById(R.id.shuru_meirizongjie);

        Calendar calendar= Calendar.getInstance(); //获取日历的实例
        year=calendar.get(Calendar.YEAR);
        month=calendar.get(Calendar.MONTH);//实际月份需要加1
        day=calendar.get(Calendar.DATE);

        final int[] yyear = new int[1];
        final int[] mmonth = new int[1];
        final int[] dday = new int[1];

        datePicker=(DatePicker)findViewById(R.id.timetable);
        datePicker.init(year,month,day,new DatePicker.OnDateChangedListener(){
            @Override
            public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                yyear[0] =year;
                mmonth[0] =monthOfYear;
                dday[0] =dayOfMonth;
            }
        });
        Thesql thesql =new Thesql(this);

        xianshilianxu(year,month,day);


        Userxinxi userxinxi = (Userxinxi) getApplication();
        String username=userxinxi.getLoginName();

        final Userpd[] userpd = {new Userpd()};
        userpd[0] =thesql.chaxun(username);

        TextView textView = findViewById(R.id.zuichangjianchi);
        textView.setText("最长打卡"+ userpd[0].zuichang+"天");

        querendaka.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String guanjianzi1=guanjianzi.getText().toString();
                String meirizingjie1=meirizongjie.getText().toString();
                String riqi;
                if(yyear[0]!=0) {
                     riqi = yyear[0] + "-" + (mmonth[0]+1) + "-" + dday[0];
                }else {
                     riqi = year + "-" + (month+1) + "-" + day;
                }
                String xuan=(yyear[0]+"")+(mmonth[0]+"")+(dday[0]+"");
                String jin=(year+"")+(month+"")+(day+"");

                if(thesql.dakachaxun(riqi)!=null)
                {
                    showMsg("该日已打卡");
                }else if (xuan.compareTo(jin)>0){
                    showMsg("时间未到");
                }else {
                    thesql.adddakajilu(riqi, guanjianzi1, meirizingjie1,username);
                    showMsg("打卡成功");
                    int i=xianshilianxu(year,month,day);
                    if(i> userpd[0].zuichang) {
                        userpd[0].zuichang = i;
                        thesql.xiugai(username, userpd[0]);
                    }
                    userpd[0] =thesql.chaxun(username);
                    TextView textView = findViewById(R.id.zuichangjianchi);
                    textView.setText("最长打卡"+ userpd[0].zuichang+"天");
                }
            }
        });
    }
    private int xianshilianxu(int year,int month,int day)
    {
        int jianchishijian=0;
        Thesql thesql =new Thesql(this);
        TextView textView1 = findViewById(R.id.yijianchi);
        String riqi1 = year + "-" + (month + 1) + "-" + day;
        if (thesql.dakachaxun(riqi1) != null) {
            jianchishijian = muqianlianxu(year, month, day,true);
            String yijianchitext="已坚持"+jianchishijian+"天";
            textView1.setText(yijianchitext);
        }else {
            jianchishijian = muqianlianxu(year, month, day,false);
            String yijianchitext="已坚持"+jianchishijian+"天";
            textView1.setText(yijianchitext);
        }
        return jianchishijian;
    }
    private int muqianlianxu(int year,int month,int day,boolean flag)//flag=true指今天已经打卡
    {
        int tianshu=0;
        String riqi;
        Thesql thesql =new Thesql(this);
        Calendar calendar= Calendar.getInstance();
        calendar.set(year,month,day);
        if(!flag) {
            calendar.add(Calendar.DAY_OF_MONTH, -1);
            year = calendar.get(Calendar.YEAR);
            month = calendar.get(Calendar.MONTH);//实际月份需要加1
            day = calendar.get(Calendar.DATE);
        }
        while(true) {
            riqi = year + "-" + (month + 1) + "-" + day;
            if (thesql.dakachaxun(riqi) != null) {
                tianshu++;
                calendar.add(Calendar.DAY_OF_MONTH, -1);
                year = calendar.get(Calendar.YEAR);
                month = calendar.get(Calendar.MONTH);//实际月份需要加1
                day = calendar.get(Calendar.DATE);
            } else {
                break;
            }
        }
        return tianshu;
    }
    private void showMsg(String msg){
        Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
    }
}