JAVA日报

换汤不换药之家庭记账本app开发(FirstActivity)

package com.example.jizhang;

import android.os.Bundle;
import android.widget.ListView;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import java.util.List;

import adapter.UserListAdapter;
import bean.user;
import dao.userdao;

public class FirstActivity extends AppCompatActivity {
    private ListView mUserList;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_first);
        mUserList=findViewById(R.id.user_list);
        InitData();
    }
    private void InitData(){
        userdao userDao=userdao.getInstance(getApplicationContext());
        List<user> userList=userDao.findAll();
        UserListAdapter adapter=new UserListAdapter(getApplicationContext(),userList);
        mUserList.setAdapter(adapter);
    }

}