安卓手机记账软件（简单易懂，附源码和安装包apk）

本文链接：https://blog.youkuaiyun.com/anzhuoxiaobai/article/details/133047493

献给热爱编程的朋友，安装包下载地址（提取码：qswm）: https://pan.baidu.com/s/1crmrR1YC2EbnfwPz8Xbfcw
源代码下载地址：https://gitee.com/landzy/Accounting-offline.git

前言

本人自学编程，从优快云学习了很多编程知识，第一次整理、记录、分享学习编程的内容，希望自己能持之以恒，通过这种形式学习和提升自己，同时回馈优快云，给热爱编程的朋友提带来帮助。如有技术错误，欢迎大神指正。

一、软件介绍

本应用使用安卓studio，java语言开发，功能极简，仅包括显示余额、收入、支出、收支明细和记录收入与支出。

主页面效果图：
在这里插入图片描述

记账页面效果图：
在这里插入图片描述

二、源代码

4个java类：Account.java(Javabeen，用于封装各项属性)，AccountDBHelper.java（用于处理SQLite数据库的增删改查），MainActivity.java（主界面的功能实现），AddAccount.java（记账界面的功能实现）。
4个layout文件：activity_main.xml（主界面布局文件）,activity_add_account.xml（记账界面布局文件）,date_dialog.xml（选择日期布局文件）,list_layout_account.xml（账单记录显示布局文件）。
3个drawable文件：btn_normal.xml（按钮常规样式），btn_selector.xml（按钮选择样式）,text_view_shape.xml（编辑框边框样式）。

1.java类

1.1 Account.java(Javabeen，用于封装各项属性)

package com.zyjcy.accounting;
public class Account {
    private int id;
    private String date;
    private String item;
    private String type;
    private Double amount;
    private String remark;
    public Account() {
    }

    public Account(int id, String date, String item, String type, Double amount, String remark) {
        this.id = id;
        this.date = date;
        this.item = item;
        this.type = type;
        this.amount = amount;
        this.remark = remark;
    }
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    public String getDate() {
        return date;
    }
    public void setDate(String date) {
        this.date = date;
    }

    public String getItem() {
        return item;
    }

    public void setItem(String item) {
        this.item = item;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public Double getAmount() {
        return amount;
    }

    public void setAmount(Double amount) {
        this.amount = amount;
    }

    public String getRemark() {
        return remark;
    }

    public void setRemark(String remark) {
        this.remark = remark;
    }

    public String toString() {
        return "Account{id = " + id + ", date = " + date + ", item = " + item + ", type = " + type + ", amount = " + amount + ", remark = " + remark + "}";
    }
}

1.2 AccountDBHelper.java（用于处理SQLite数据库的增删查）

package com.zyjcy.accounting;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

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

public class AccountDBHelper extends SQLiteOpenHelper {

    private static final String DB_NAME = "account.db";
    private static final String TABLE_NAME = "table_account";
    private static final int DB_VERSION = 1;
    private static AccountDBHelper mHelper = null;
    private SQLiteDatabase mRDB = null;
    private SQLiteDatabase mWDB = null;
    private Cursor cursor;
    private List<Account> list = new ArrayList<>();

    private AccountDBHelper(Context context) {
        super(context, DB_NAME, null, DB_VERSION);
    }

    //利用单例模式获取数据库帮助器的唯一实例
    public static AccountDBHelper getInstance(Context context) {
        if (mHelper == null) {
            mHelper = new AccountDBHelper(context);
        }
        return mHelper;
    }

    //打开数据库的读连接
    public SQLiteDatabase openReadLink() {
        if (mRDB == null || !mRDB.isOpen()) {
            mRDB = mHelper.getReadableDatabase();
        }
        return mRDB;
    }

    //打开数据库的读连接
    public SQLiteDatabase openWriteLink() {
        if (mWDB == null || !mWDB.isOpen()) {
            mWDB = mHelper.getWritableDatabase();
        }
        return mWDB;
    }

    //关闭数据库连接
    public void closeLink() {
        if (mRDB != null && mRDB.isOpen()) {
            mRDB.close();
            mRDB = null;
        }
        if (mWDB != null && mWDB.isOpen()) {
            mWDB.close();
            mWDB = null;
        }
    }

    //创建数据库表
    @Override
    public void onCreate(SQLiteDatabase db) {
        String sql = "CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" +
                "id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL," +
                "date VARCHAR," +
                "item VARCHAR,"+
                "type VARCHAR,"+
                "amount DOUBLE,"+
                "remark VARCHAR);";
        db.execSQL(sql);
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }

    //增加一条数据
    public long insert(Account account) {
        ContentValues values = new ContentValues();
        //此处可以不用插入id，id让数据库自动生成
        values.put("date", account.getDate());
        values.put("item", account.getItem());
        values.put("type", account.getType());
        values.put("amount", account.getAmount());
        values.put("remark", account.getRemark());

        return mWDB.insert(TABLE_NAME, null, values);
    }

    //删除一条数据
    public long deleteById(int id){
        return mWDB.delete(TABLE_NAME,"id=?",new String[]{String.valueOf(id)});
    }

    //查询所有数据
    public List<Account> queryAll() {
        list.clear();
        cursor = mRDB.query(TABLE_NAME, null, null, null,
                null, null, "id desc");//asc是从小到大排序

        while (cursor.moveToNext()) {
            Account account = new Account();
            account.setId(cursor.getInt(0));
            account.setDate(cursor.getString(1));
            account.setItem(cursor.getString(2));
            account.setType(cursor.getString(3));
            account.setAmount(cursor.getDouble(4));
            account.setRemark(cursor.getString(5));

            list.add(account);
        }
        return list;
    }

    //通过收支类型type查询”收入“”支出“的情况
    public double querySUM(String type) {
    //通过type筛选数据，然后对金额求和，然后将数据返回
        cursor = mRDB.query(TABLE_NAME, new String[] {"SUM(amount)"}, "type=?",
                new String[]{type}, null, null,null );
        double d = 0.00;
        while (cursor.moveToNext()) {
         d=cursor.getDouble(0);
        }
        return d;
    }
    //获得数据库的元数据（列名称）
    public String[] getColumnNames(){
       return cursor.getColumnNames();
    }
}

1.3 MainActivity.java（主界面的功能实现）

package com.zyjcy.accounting;

import androidx.appcompat.app.AppCompatActivity;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    TextView balanceTV;
    TextView incomeTV;
    TextView expenditureTV;
    Button AddAccountBT;

    private AccountDBHelper mHelper;
    List<Map<String, Object>> listMap = new ArrayList<Map<String, Object>>();
    List<Account> list;
    //从数据库中取出来的列名称放入该数组
    private String[] columnNames;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //初始化控件
        initView();
    }
    
//初始化控件
    public void initView() {
        balanceTV = findViewById(R.id.balance);
        incomeTV = findViewById(R.id.income);
        expenditureTV = findViewById(R.id.expenditure);
        AddAccountBT = findViewById(R.id.addAccount);
        AddAccountBT.setOnClickListener(this);
    }
    
//按钮监听
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.addAccount: {
               //跳转到记账页面
                Intent intent = new Intent(MainActivity.this, AddAccount.class);
                startActivity(intent);
            }
            break;
        }
    }
    
    //并将查询数据展示在listview中
    private void refresh() {
        //查询数据库中所有数据
        list = mHelper.queryAll();
        //拿到元数据（列名称）的数组
        columnNames = mHelper.getColumnNames();

        //刷新账户数据
        double incomeMoney = mHelper.querySUM("收入");
        double takeOutMoney = mHelper.querySUM("支出");
        balanceTV.setText(incomeMoney - takeOutMoney + "");
        incomeTV.setText(incomeMoney + "");
        expenditureTV.setText(takeOutMoney + "");

        //先清空历史数据
        listMap.clear();
        //遍历集合，将每一个Account对象中的数据取出来，以key-value的形式放入map集合，然后将每一个account对应的map放入listMap中
        for (int i = 0; i < list.size(); i++) {
            //LinkedHashMap装入和取出的顺序不会变
            Map<String, Object> map = new LinkedHashMap<String, Object>();
            //columnNames[]数组代表的是从数据库中取出来的列名称
            map.put(columnNames[0], list.get(i).getId());
            map.put(columnNames[1], list.get(i).getDate());
            map.put(columnNames[2], list.get(i).getItem());
            map.put(columnNames[3], list.get(i).getType());
            map.put(columnNames[4], list.get(i).getAmount());
            map.put(columnNames[5], list.get(i).getRemark());

            listMap.add(map);
        }
        showResult(listMap);
    }

    //显示查询数据的列表，并对列表设置监听事件
    private void showResult(List<Map<String, Object>> listMap) {
        //用适配器将list里面的每一个map与listview形成绑定关系，并将其展示。
        //此处的columnNames[]对应的是列名称， 装入new String[]中是将listMap其对应的名字取出来放在listview中
        SimpleAdapter simpleAdapter = new SimpleAdapter(this, listMap, R.layout.list_layout_account,
                new String[]{columnNames[1], columnNames[2], columnNames[3], columnNames[4], columnNames[5]},
                new int[]{R.id.date, R.id.item, R.id.type, R.id.amount, R.id.remark});
        ListView listView = (ListView) findViewById(R.id.lv_information);
        listView.setAdapter(simpleAdapter);

        //给listView设置点击监听
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                //拿到被点击位置对应的map
                Map<String, Object> map = (Map<String, Object>) parent.getItemAtPosition(position);
                //拿到这组数据的id
                int id1 = (int) map.get("id");
                //创建弹窗方法对象
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                //用对象调用方法，设置弹窗信息（先拿到listMap里面被点击那个对象）
                builder.setMessage("删除后不能恢复，您确定删除本条记录吗？\n\n")
                        //设置弹窗中文字按钮的点击监听事件
                        .setPositiveButton("狠心删除", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                //通过id删除该组数据
                                mHelper.deleteById(id1);
                                //刷新显示界面的数据和列表数据
                                refresh();
                            }
                        })
                        .setNegativeButton("算了算了", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {

                            }
                        });
                //创建弹窗并展示
                builder.create().show();

            }
        });
    }
    
//activity启动时的操作
    @Override
    protected void onStart() {
        super.onStart();

        //获取数据库帮助器的实例
        mHelper = AccountDBHelper.getInstance(this);
        //打开数据库读写连接
        mHelper.openWriteLink();
        mHelper.openReadLink();
        //查询数据库中所有数据，并刷新列表和余额数据。
        refresh();
    }
    
    //activity关闭时的操作
    @Override
    protected void onDestroy() {
        super.onDestroy();
        //关闭数据库连接
        mHelper.closeLink();
    }
}

1.4 AddAccount.java（记账界面的功能实现）

package com.zyjcy.accounting;

import androidx.appcompat.app.AppCompatActivity;

import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.InputType;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.RadioGroup;

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

public class AddAccount extends AppCompatActivity implements View.OnClickListener,
        RadioGroup.OnCheckedChangeListener, View.OnTouchListener {

    EditText amountET;
    EditText itemET;
    EditText dateET;
    EditText remarkET;
    Button submitBT;
    Button cancelBT;
    RadioGroup typeRG;
    Account account = new Account();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_add_account);
//初始化控件
        initView();

    }
    
    //初始化控件
    private void initView() {
        amountET = findViewById(R.id.amount);
        itemET = findViewById(R.id.item);
        dateET = findViewById(R.id.dateET);
        dateET.setText(getTodayYmd());
        dateET.setOnTouchListener(this);
        remarkET = findViewById(R.id.remark);
        submitBT = findViewById(R.id.submit);
        submitBT.setOnClickListener(this);
        cancelBT = findViewById(R.id.cancel);
        cancelBT.setOnClickListener(this);
        typeRG = findViewById(R.id.type);
        typeRG.setOnCheckedChangeListener(this);

        //设置RadioGroup默认值为存钱
        typeRG.check(R.id.income);

    }

    //获取今天的日期
    public static String getTodayYmd() {

        Date now = new Date();
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(now);
        // 将时分秒,毫秒域清零
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        return formatter.format(calendar.getTime());
    }

    //选择日期组件
    @Override
    public boolean onTouch(View v, MotionEvent event) {
        if (event.getAction() == MotionEvent.ACTION_DOWN) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            View view = View.inflate(this, R.layout.date_dialog, null);
            final DatePicker datePicker = (DatePicker) view.findViewById(R.id.date_picker);
            builder.setView(view);
            Calendar cal = Calendar.getInstance();
            cal.setTimeInMillis(System.currentTimeMillis());
            datePicker.init(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), null);

            if (v.getId() == R.id.dateET) {
                final int inType = dateET.getInputType();
                dateET.setInputType(InputType.TYPE_NULL);
                dateET.onTouchEvent(event);
                dateET.setInputType(inType);
                dateET.setSelection(dateET.getText().length());
                /*builder.setTitle("请选择开台时间");*/
                builder.setPositiveButton("确  定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //因为当选择的时间是小于10的话回填的时间只是一位，跟我数据库的时间不符
                        //所以判断小于10的在前面拼接0（如01）
                        //拼接所有选择的时间（最后拼接的：00是秒钟，为了跟数据库类型相同而拼接上的，可根据自己的需求拼接）
                        StringBuffer sb = new StringBuffer();
                        sb.append(String.format("%d-%02d-%02d",
                                datePicker.getYear(),
                                datePicker.getMonth() + 1,
                                datePicker.getDayOfMonth()));
                        dateET.setText(sb);//把拼接好的数据回填
                        dialog.cancel();//取消dialog
                    }
                });
            }
            Dialog dialog = builder.create();
            dialog.show();
        }
        return true;
    }

    //按钮监听事件
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.submit: {
                
                //拿到录入的数据，并赋值给account对象的对应属性
                account.setDate(String.valueOf(dateET.getText()));
                account.setItem(String.valueOf(itemET.getText()));
                account.setAmount(Double.valueOf(amountET.getText().toString()));
                account.setRemark(String.valueOf(remarkET.getText()));

                //执行插入数据操作
                AccountDBHelper.getInstance(this).insert(account);
                //结束当前activity
                finish();
            }
            break;

            case R.id.cancel: {
                //取消按钮，结束当前activity
                finish();
            }
        }
    }

    //RadioGroup切换时的操作
    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
        if (checkedId == R.id.income) {
            account.setType("收入");
        }
        if (checkedId == R.id.takeOut) {
            account.setType("支出");
        }
    }
}

2.layout文件

2.1 activity_main.xml（主界面布局文件）

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="start"
        android:orientation="vertical"
        tools:ignore="MissingConstraints">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="30dp"
            android:background="@drawable/btn_normal"
            android:gravity="left"
            android:orientation="vertical"
            android:padding="20dp"

            tools:ignore="MissingConstraints"
            tools:layout_editor_absoluteX="44dp"
            tools:layout_editor_absoluteY="46dp">

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="left"
                android:orientation="vertical"
                tools:ignore="MissingConstraints">

                <TextView
                    android:id="@+id/ti_balance"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/ti_balance"
                    android:textSize="30dp" />

                <TextView
                    android:id="@+id/balance"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="40dp"
                    android:textColor="@color/yellow"
                    android:textStyle="bold" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginTop="30dp"
                android:gravity="center"
                android:orientation="horizontal"
                tools:ignore="MissingConstraints">

                <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:gravity="left"
                    android:orientation="horizontal"
                    tools:ignore="MissingConstraints">

                    <TextView
                        android:id="@+id/ti_income"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="@string/ti_income"
                        android:textSize="20dp" />

                    <TextView
                        android:id="@+id/income"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:layout_marginLeft="10dp"
                        android:textColor="@color/red"
                        android:textSize="20dp"
                        android:textStyle="bold" />

                </LinearLayout>

                <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:gravity="left"
                    android:orientation="horizontal"
                    tools:ignore="MissingConstraints">

                    <TextView
                        android:id="@+id/ti_expenditure"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="@string/ti_expenditure"
                        android:textSize="20dp" />

                    <TextView
                        android:id="@+id/expenditure"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:textColor="@color/red"
                        android:layout_marginLeft="10dp"
                        android:textSize="20dp"
                        android:textStyle="bold" />

                </LinearLayout>
            </LinearLayout>
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:orientation="horizontal"
            tools:ignore="MissingConstraints">

            <Button
                android:id="@+id/addAccount"
                android:layout_width="140dp"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:background="@drawable/btn_normal"
                android:padding="10dp"
                android:text="@string/writeANote"
                android:textColor="@drawable/btn_selector"
                android:textSize="20dp"
                android:textStyle="bold" />

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:orientation="vertical">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:orientation="horizontal">


            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="8"
                android:text="日期"
                android:textStyle="bold"
                android:gravity="center"
                android:padding="5dp"/>
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="10"
                android:gravity="center"
                android:text="项目"
                android:textStyle="bold"
                android:padding="5dp"/>
            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="10"
                android:gravity="center"
                android:text="类型"
                android:textStyle="bold"
                android:padding="5dp"/>

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="9"
                android:gravity="center"
                android:text="金额"
                android:textStyle="bold"
                android:padding="5dp" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="9"
                android:gravity="center"
                android:text="备注"
                android:textStyle="bold"
                android:padding="5dp"/>
        </LinearLayout>
        
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            tools:ignore="MissingConstraints">

            <ListView
                android:id="@+id/lv_information"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
        </LinearLayout>
    </LinearLayout>
    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

2.2 activity_add_account.xml（记账界面布局文件）

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    tools:context=".AddAccount">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginTop="30dp"
        android:gravity="center_horizontal"
        android:orientation="vertical"
        tools:ignore="MissingConstraints">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="20dp"
            android:gravity="left"
            android:orientation="vertical"
            android:padding="20dp"

            tools:ignore="MissingConstraints"
            tools:layout_editor_absoluteX="44dp"
            tools:layout_editor_absoluteY="46dp">

            <RadioGroup
                android:id="@+id/type"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">

                <RadioButton
                    android:id="@+id/income"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/ti_income"
                    android:textSize="30dp" />

                <RadioButton
                    android:id="@+id/takeOut"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="50dp"
                    android:text="@string/ti_expenditure"
                    android:textSize="30dp" />

            </RadioGroup>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center|bottom"
                android:orientation="horizontal"
                tools:ignore="MissingConstraints">

                <TextView
                    android:id="@+id/title_amount"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/ti_amount"
                    android:textSize="20dp" />

                <EditText
                    android:id="@+id/amount"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp"
                    android:gravity="center"
                    android:textColor="@color/purple_500"
                    android:inputType="numberDecimal"
                    android:textSize="50dp"
                    android:textStyle="bold" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp"
                android:gravity="center"
                android:orientation="horizontal"
                tools:ignore="MissingConstraints">

                <TextView
                    android:id="@+id/title_item"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/ti_item"
                    android:textSize="20dp" />

                <EditText
                    android:id="@+id/item"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp"
                    android:gravity="center"
                    android:background="@drawable/text_view_shape"
                    android:textSize="20dp"
                    android:textStyle="bold" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp"
                android:gravity="center"
                android:orientation="horizontal"
                tools:ignore="MissingConstraints">

                <TextView
                    android:id="@+id/title_date"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/ti_date"
                    android:textSize="20dp" />


                <EditText
                    android:id="@+id/dateET"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp"
                    android:gravity="center"
                    android:background="@drawable/text_view_shape"
                    android:inputType="number"
                    android:textSize="20dp"
                    android:textStyle="bold" />

            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10dp"
                android:gravity="center"
                android:orientation="horizontal"
                tools:ignore="MissingConstraints">

                <TextView
                    android:id="@+id/title_remark"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/ti_remark"
                    android:textSize="20dp" />

                <EditText
                    android:id="@+id/remark"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp"
                    android:background="@drawable/text_view_shape"
                    android:textSize="20dp"
                    android:gravity="center"
                    android:textStyle="bold" />

            </LinearLayout>

        </LinearLayout>


        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:orientation="horizontal"
            tools:ignore="MissingConstraints">

            <Button
                android:id="@+id/cancel"
                android:layout_width="120dp"
                android:layout_height="wrap_content"
                android:background="@drawable/btn_normal"
                android:padding="15dp"
                android:text="@string/cancel"
                android:textColor="@drawable/btn_selector"
                android:textSize="20dp"
                android:textStyle="bold" />
            <Button
                android:id="@+id/submit"
                android:layout_width="120dp"
                android:layout_height="wrap_content"
                android:layout_marginLeft="50dp"
                android:background="@drawable/btn_normal"
                android:padding="15dp"
                android:text="@string/submit"
                android:textColor="@drawable/btn_selector"
                android:textSize="20dp"
                android:textStyle="bold" />
        </LinearLayout>
    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

2.3 date_dialog.xml（选择日期布局文件）

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center">
        <DatePicker
            android:id="@+id/date_picker"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="5dip"
            android:spinnersShown="false" />
    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

2.4 list_layout_account.xml（账单记录显示布局文件）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:paddingTop="15dp"
        android:orientation="horizontal">
        <TextView
            android:id="@+id/date"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="8"
            android:gravity="center"
            android:padding="5dp"/>
        <TextView
            android:id="@+id/item"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:gravity="center"
            android:padding="5dp"/>
        <TextView
            android:id="@+id/type"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="10"
            android:gravity="center"
            android:padding="5dp"/>
        <TextView
            android:id="@+id/amount"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="9"
            android:gravity="center"
            android:padding="5dp"/>
        <TextView
            android:id="@+id/remark"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="9"
            android:gravity="center"
            android:padding="5dp"/>
    </LinearLayout>
</LinearLayout>

3.drawable文件

3.1 btn_normal.xml（按钮常规样式）

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">

    <!-- 圆角的半径 -->
    <corners android:radius="10dp" />

    <!-- 填充颜色 -->
    <solid android:color= "@color/purple_500"/>
    <!-- 描边 -->
    <stroke
        android:color="@color/purple_500"
        android:width="1dp"/>


</shape>

3.2btn_selector.xml（按钮选择样式）

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 正常状态 -->
    <item android:state_pressed="false" android:color="@color/white"  />

    <!-- 按下状态 -->
    <item android:state_pressed="true" android:color="@color/black"  />

</selector>

3.3 text_view_shape.xml（view边框样式）

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <corners android:radius="2dp" />
    <stroke
        android:width="1dp"
        android:color="@color/black" />
    <padding
        android:bottom="2dp"
        android:left="4dp"
        android:right="4dp"
        android:top="2dp" />
</shape>