2021.2.28 家庭记账本（3）

一、今日学习内容

   今天完成了家庭记账本的修改账目

<?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"
    android:background=" #855E42"
    tools:context=".UpdateActivity">

    <TextView
        android:id="@+id/id_text_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="116dp"
        android:layout_marginBottom="53dp"
        android:text="将要修改账目的序号："
        android:textColor="#000000"
        android:textSize="25sp"
        app:layout_constraintBottom_toTopOf="@+id/id_edit_text"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <EditText
        android:id="@+id/id_edit_text"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_marginStart="32dp"
        android:layout_marginLeft="32dp"
        android:layout_marginEnd="32dp"
        android:layout_marginRight="32dp"
        android:layout_marginBottom="54dp"
        android:background="@drawable/bg_biankuang"
        android:hint="  序号可在'浏览所有账目'中查看"
        android:textColor="#ffc0cb"
        android:textSize="20sp"
        app:layout_constraintBottom_toTopOf="@+id/updatebutton"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/id_text_view" />

    <Button
        android:id="@+id/updatebutton"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginLeft="50dp"
        android:layout_marginEnd="48dp"
        android:layout_marginRight="48dp"
        android:layout_marginBottom="275dp"
        android:background="@drawable/btn_all_shape"
        android:gravity="center"
        android:text="确定"
        android:textColor="#000000"
        android:textSize="25sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="@+id/guideline"
        app:layout_constraintTop_toBottomOf="@+id/id_edit_text" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_begin="20dp" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_begin="20dp" />

</androidx.constraintlayout.widget.ConstraintLayout>

package com.example.bookkeeping;

import androidx.appcompat.app.AppCompatActivity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import org.litepal.LitePal;

import java.util.List;

public class Update1Activity extends AppCompatActivity {
    private EditText etName, etDate, etOut1, etOut2, etIn1, etIn2;
    String name, date, out1, out2, in1, in2;
    Long id;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_update1);
        etName = (EditText) findViewById(R.id.name_edit_text);
        etDate = (EditText) findViewById(R.id.date_edit_text);
        etOut1 = (EditText) findViewById(R.id.out1_edit_text);
        etOut2 = (EditText) findViewById(R.id.out2_edit_text);
        etIn1 = (EditText) findViewById(R.id.in1_edit_text);
        etIn2 = (EditText) findViewById(R.id.in2_edit_text);
        Intent intent = this.getIntent();
        Money m2= (Money) intent.getSerializableExtra("money2");
        etName.setText(m2.getName());
        etDate.setText(m2.getDate());
        etOut1.setText(m2.getOut1());
        etOut2.setText(m2.getOut2());
        etIn1.setText(m2.getIn1());
        etIn2.setText(m2.getIn2());
        id=m2.getId();

        Button button1 = (Button) findViewById(R.id.update1button);
        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                LitePal.getDatabase();
                name = etName.getText().toString().trim();
                date = etDate.getText().toString().trim();
                out1 = etOut1.getText().toString().trim();
                out2 = etOut2.getText().toString().trim();
                in1 = etIn1.getText().toString().trim();
                in2 = etIn2.getText().toString().trim();
                Money m = new Money();
                m.setName(name);
                m.setDate(date);
                m.setOut1(out1);
                m.setOut2(out2);
                m.setIn1(in1);
                m.setIn2(in2);
                m.update(id);
            }

        });
    }
}

二、遇到的问题

  页面的输入框大小总是固定不了

三、明日计划

  明天继续完成家庭记账本