2024.3.21（周四）进度
完成Android登陆注册页面并完成跳转
代码量：两个.xml文件，三个.java文件
package com.hui.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.method.HideReturnsTransformationMethod;
import android.text.method.PasswordTransformationMethod;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import com.hui.myapplication.adapter.AccountAdapter;
import com.hui.myapplication.db.AccountBean;
import com.hui.myapplication.db.DBManager;
import com.hui.myapplication.utils.BudgetDialog;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
ListView todayLv; //展示今日收支情况的ListView
ImageView searchIv;
Button editBtn;
ImageButton moreBtn;
//声明数据源
List<AccountBean>mDatas;
AccountAdapter adapter;
int year,month,day;
//头布局相关控件
View headerView;
TextView topOutTv,topInTv,topbudgetTv,topConTv;
ImageView topShowIv;
SharedPreferences preferences;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initTime();
initView();
preferences=getSharedPreferences("budget", Context.MODE_PRIVATE);
//添加ListView的头布局
addLVHeaderView();
mDatas=new ArrayList<>();
//设置适配器：加载每一行数据到列表当中
adapter = new AccountAdapter(this, mDatas);
todayLv.setAdapter(adapter);
}
/*初始化自带的View的方法*/
private void initView() {
todayLv=findViewById(R.id.main_lv);
editBtn=findViewById(R.id.main_btn_edit);
moreBtn=findViewById(R.id.main_btn_more);
searchIv=findViewById(R.id.main_iv_search);
editBtn.setOnClickListener(this);
moreBtn.setOnClickListener(this);
searchIv.setOnClickListener(this);
}
/*给ListView添加头布局的方法*/
private void addLVHeaderView(){
//将布局转换成View对象
headerView = getLayoutInflater().inflate(R.layout.item_mainlv_top, null);
todayLv.addHeaderView(headerView);
//查找头布局可用控件
topOutTv=headerView.findViewById(R.id.item_mainlv_top_tv_out);
topInTv=headerView.findViewById(R.id.item_mainlv_top_tv_in);
topbudgetTv=headerView.findViewById(R.id.item_mainlv_top_tv_budget);
topConTv=headerView.findViewById(R.id.item_mainlv_top_tv_day);
topShowIv=headerView.findViewById(R.id.item_mainlv_top_iv_hide);
topbudgetTv.setOnClickListener(this);
headerView.setOnClickListener(this);
topShowIv.setOnClickListener(this);
}
/*获取今日的具体时间*/
private void initTime(){
Calendar calendar=Calendar.getInstance();
year=calendar.get(Calendar.YEAR);
month=calendar.get(Calendar.MONTH)+1;
day=calendar.get(Calendar.DAY_OF_MONTH);
}
//当activity获取焦点时，会调用的方法
@Override
protected void onResume() {
super.onResume();
loadDBData();
setTopTvShow();
}
/*设置头布局当中文本内容的显示*/
private void setTopTvShow(){
// 获取本日收入和支出总金额，显示在view当中
float incomeOneDay = DBManager.getSumMoneyOneDay(year, month, day, 1);
float outcomeOneDay = DBManager.getSumMoneyOneDay(year, month, day, 0);
String infoOneDay = "今日支出￥" + outcomeOneDay+" 收入 ￥ "+incomeOneDay;
topConTv.setText(infoOneDay);
// 获取本月收入和支出总金额
float incomeOneMonth = DBManager.getSumMoneyOneMonth(year, month, 1);
float outcomeOneMonth = DBManager.getSumMoneyOneMonth(year, month, 0);
topInTv.setText("￥"+incomeOneMonth);
topOutTv.setText("￥"+outcomeOneMonth);
// 设置显示运算剩余
float bmoney = preferences.getFloat("bmoney", 0);//预算
if (bmoney == 0) {
topbudgetTv.setText("￥ 0");
}else {
float syMoney=bmoney-outcomeOneMonth;
topbudgetTv.setText("￥"+syMoney);
}
}
// 加载数据库数据
private void loadDBData(){
List<AccountBean>list = DBManager.getAccountListOneDayFromAccounttb(year,month,day);
mDatas.clear();
mDatas.addAll(list);
adapter.notifyDataSetChanged();
}
/*button相关的点击事件*/
@Override
public void onClick(View v) {
int id = v.getId();
if (id == R.id.main_iv_search) {
} else if (id == R.id.main_btn_edit) {
Intent it1=new Intent(this,RecordActivity.class); //跳转界面
startActivity(it1);
} else if (id == R.id.main_btn_more) {
} else if (id == R.id.item_mainlv_top_tv_budget) {
showBudgetDialog();
} else if (id == R.id.item_mainlv_top_iv_hide) {
//切换TextView明文和密文
toggleShow();
}
if (v==headerView) {
//头布局被点击了
Intent intent = new Intent();
intent.setClass(this,MainActivity.class);
startActivity(intent);
}
}
/*显示运算设置对话框*/
private void showBudgetDialog() {
BudgetDialog dialog=new BudgetDialog(this);
dialog.show();
dialog.setDialogSize();
dialog.setOnEnsureListener(new BudgetDialog.OnEnsureListener() {
@Override
public void onEnsure(float money) {
// 将预算金额写入到共享参数当中，进行存储
SharedPreferences.Editor editor=preferences.edit();
editor.putFloat("bmoney",money);
editor.commit();
//计算剩余金额
float outcomeOneMonth = DBManager.getSumMoneyOneMonth(year, month, 0);
float syMoney=money-outcomeOneMonth; //预算剩余=预算-支出
topbudgetTv.setText("￥"+syMoney);
}
});
}
boolean isShow = true;
/*
* 点击头布局眼睛时，如果原来是明文，就加密，如果是密文，就显示出来
* */
private void toggleShow() {
if (isShow) { //明文===》密文
PasswordTransformationMethod passwordMethod=PasswordTransformationMethod.getInstance();
topInTv.setTransformationMethod(passwordMethod); //设置隐藏
topOutTv.setTransformationMethod(passwordMethod); //设置隐藏
topbudgetTv.setTransformationMethod(passwordMethod); //设置隐藏
topShowIv.setImageResource(R.mipmap.ih_hide);
isShow = false; //设置标志位为隐藏状态
}else { //密文===》明文
HideReturnsTransformationMethod hideMethod = HideReturnsTransformationMethod.getInstance();
topInTv.setTransformationMethod(hideMethod); //设置隐藏
topOutTv.setTransformationMethod(hideMethod); //设置隐藏
topbudgetTv.setTransformationMethod(hideMethod); //设置隐藏
topShowIv.setImageResource(R.mipmap.ih_show);
isShow = true; //设置标志位为隐藏状态
}
}
}
package com.hui.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;
import android.os.Bundle;
import android.view.View;
import com.google.android.material.tabs.TabLayout;
import com.hui.myapplication.adapter.RecordPagerAdapter;
import com.hui.myapplication.frag_record.IncomeFragment;
import com.hui.myapplication.frag_record.BaseRecordFragment;
import com.hui.myapplication.frag_record.OutcomeFragment;
import java.util.ArrayList;
import java.util.List;
public class RecordActivity extends AppCompatActivity {
TabLayout tabLayout;
ViewPager viewPager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_record);
//1.查找控件
tabLayout=findViewById(R.id.record_tabs);
viewPager=findViewById(R.id.record_vp);
//2.设置ViewPager加载页面
initPager();
}
private void initPager() {
// 初始化ViewPager页面的集合
List<Fragment>fragmentList=new ArrayList<>();
// 创建收入和支出页面，放置在Fragment当中
OutcomeFragment outFrag = new OutcomeFragment();//支出
IncomeFragment inFrag = new IncomeFragment();//收入
fragmentList.add(outFrag);
fragmentList.add(inFrag);
// 创建适配器
RecordPagerAdapter pagerAdapter = new RecordPagerAdapter(getSupportFragmentManager(),fragmentList);
// 设置适配器
viewPager.setAdapter(pagerAdapter);
// 将TabLayout和ViewPager进行关联
tabLayout.setupWithViewPager(viewPager);
}
/*点击事件*/
public void onClick(View view){
if (view.getId() == R.id.record_iv_back) {
finish();
}
}
}
