2024.3.20（周三）进度

完成计网第二章作业，完成Android本地库连接增删改查

代码量：三个.java文件

package com.hui.myapplication.frag_record;

import android.inputmethodservice.KeyboardView;
import android.os.Bundle;

import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;

import com.hui.myapplication.R;
import com.hui.myapplication.db.AccountBean;
import com.hui.myapplication.db.TypeBean;
import com.hui.myapplication.utils.BeiZhuDialog;
import com.hui.myapplication.utils.KeyBoardUtils;
import com.hui.myapplication.utils.SelectTimeDialog;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

/**
 记录当前页面当中的支出模块
 */
public abstract class BaseRecordFragment extends Fragment implements View.OnClickListener {


    KeyboardView keyboardView;
    EditText moneyEt;
    ImageView typeIv;
    TextView typeTv,beizhuTv,timeTv;
    GridView typeGv;
    List<TypeBean>typeList;
    TypeBaseAdapter adapter;
    AccountBean accountBean;    //将需要插入到记账本当中的数据保存成对象的形式

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        accountBean=new AccountBean();  //创建对象
        accountBean.setTypename("其他");
        accountBean.setsImageId(R.mipmap.ic_qita_fs);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view=inflater.inflate(R.layout.fragment_outcome,container,false);
        initView(view);
        setInitTime();
        //给GridView填充数据的方法
        loadDataToGv();
        setGVListener();    //设置GridView每一项的点击事件
        return view;
    }
    /*获取当前时间，显示在timeTv上*/
    private void setInitTime(){
        Date date=new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日 HH:mm");
        String time=sdf.format(date);
        timeTv.setText(time);
        accountBean.setTime(time);
        Calendar calendar=Calendar.getInstance();
        int year= calendar.get(Calendar.YEAR);
        int month=calendar.get(Calendar.MONTH)+1;
        int day=calendar.get(Calendar.DAY_OF_MONTH);
        accountBean.setYear(year);
        accountBean.setMonth(month);
        accountBean.setDay(day);
    }
    /*设置GridView每一项的点击事件*/
    private void setGVListener(){
        typeGv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                adapter.selectPos=position;
                adapter.notifyDataSetInvalidated();     //提示绘制发生变化了
                TypeBean typeBean=typeList.get(position);
                String typename=typeBean.getTypename();
                typeTv.setText(typename);
                accountBean.setTypename(typename);
                int simageId=typeBean.getSimageId();
                typeIv.setImageResource(simageId);
                accountBean.setsImageId(simageId);
            }
        });
    }
    /*给GridView填充数据的方法*/
    public void loadDataToGv(){
        typeList=new ArrayList<>();
        adapter = new TypeBaseAdapter(getContext(),typeList);
        typeGv.setAdapter(adapter);
    }
    private void initView(View view){
        keyboardView=view.findViewById(R.id.frag_record_keyboard);
        moneyEt=view.findViewById(R.id.frag_record_et_money);
        typeIv=view.findViewById(R.id.frag_record_iv);
        typeGv=view.findViewById(R.id.frag_record_gv);
        typeTv=view.findViewById(R.id.frag_record_tv_type);
        beizhuTv=view.findViewById(R.id.frag_record_tv_beizhu);
        timeTv=view.findViewById(R.id.frag_record_tv_time);
        beizhuTv.setOnClickListener(this);
        timeTv.setOnClickListener(this);
        //让自定义软键盘显示出来
        KeyBoardUtils boardUtils=new KeyBoardUtils(keyboardView,moneyEt);
        boardUtils.showKeyboard();
        //设置接口，监听确定按钮按钮被点击了
        boardUtils.setOnEnsureListener(new KeyBoardUtils.OnEnsureListener(){
            @Override
            public void onEnsure() {
                //获取输入钱数
                String moneyStr = moneyEt.getText().toString();
                if (TextUtils.isEmpty(moneyStr)||moneyStr.equals("0")){
                    getActivity().finish();
                    return;
                }
                float money=Float.parseFloat(moneyStr);
                accountBean.setMoney(money);
                //获取记录的信息，保存在数据库当中
                saveAccountToDB();
                //返回上一级页面
                getActivity().finish();
            }
        });
    }
/*让子类一定要重写这个方法*/
    public abstract void saveAccountToDB();

    @Override
    public void onClick(View v) {
        int id = v.getId();
        if (id == R.id.frag_record_tv_time) {
            showTimeDialog();
        } else if (id == R.id.frag_record_tv_beizhu) {
            shouBZDialog();
        }
    }
    /*弹出显示时间的对话框*/
    private void showTimeDialog(){
        SelectTimeDialog dialog = new SelectTimeDialog(getContext());
        dialog.show();
        //设定确定按钮被点击了的监听器
        dialog.setOnEnsureListener(new SelectTimeDialog.OnEnsureListener() {
            @Override
            public void onEnsure(String time, int year, int month, int day) {
                timeTv.setText(time);
                accountBean.setTime(time);
                accountBean.setYear(year);
                accountBean.setMonth(month);
                accountBean.setDay(day);
            }
        });
    }
    /*弹出备注对话框*/
    public void shouBZDialog(){
        final BeiZhuDialog dialog = new BeiZhuDialog(getContext());
        dialog.show();
        dialog.setDialogSize();
        dialog.setOnEnsureListener(new BeiZhuDialog.OnEnsureListener() {
            @Override
            public void onEnsure() {
                String msg = dialog.getEditText();
                if (!TextUtils.isEmpty(msg)) {
                    beizhuTv.setText(msg);
                    accountBean.setBeizhu(msg);
                }
                dialog.cancel();
            }
        });

    }
}

package com.hui.myapplication.frag_record;

import androidx.fragment.app.Fragment;

import com.hui.myapplication.R;
import com.hui.myapplication.db.DBManager;
import com.hui.myapplication.db.TypeBean;

import java.util.List;

/**
 * A simple {@link Fragment} subclass.
 */
public class IncomeFragment extends BaseRecordFragment {
    @Override
    public void loadDataToGv() {
        super.loadDataToGv();
        //获取数据库当中的数据源
        List<TypeBean> inlist= DBManager.getTypeList(1);
        typeList.addAll(inlist);
        adapter.notifyDataSetChanged();
        typeTv.setText("其他");
        typeIv.setImageResource(R.mipmap.in_qt_fs);
    }

    @Override
    public void saveAccountToDB() {
        accountBean.setKind(1);
        DBManager.insertItemToAccounttb(accountBean);
    }

}

package com.hui.myapplication.frag_record;

import com.hui.myapplication.R;
import com.hui.myapplication.db.DBManager;
import com.hui.myapplication.db.TypeBean;

import java.util.List;

public class OutcomeFragment extends BaseRecordFragment{
    //重写
    @Override
    public void loadDataToGv() {
        super.loadDataToGv();
        //获取数据库当中的数据源
        List<TypeBean>outlist= DBManager.getTypeList(0);
        typeList.addAll(outlist);
        adapter.notifyDataSetChanged();
        typeTv.setText("其他");
        typeIv.setImageResource(R.mipmap.ic_qita_fs);
    }

    @Override
    public void saveAccountToDB() {
        accountBean.setKind(0);
        DBManager.insertItemToAccounttb(accountBean);
    }
}