JAVA日报

app开发(SecondActivity)

package com.example.jizhang;

import android.os.Bundle;
import android.widget.EditText;

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

import dao.userdao;

public class SecondActivity extends AppCompatActivity{
    private EditText editTextt1;
    private EditText editTextt2;
    private EditText editTextt3;
    private EditText editTextt4;
    private EditText editTextt5;
    private EditText editTextt6;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_second);
        InitData();
    }
    private void InitData(){
        editTextt1 = (EditText) findViewById(R.id.edt_eat2);
        editTextt2 = (EditText) findViewById(R.id.edt_play2);
        editTextt3 = (EditText) findViewById(R.id.edt_clothes2);
        editTextt4 = (EditText) findViewById(R.id.edt_live2);
        editTextt5 = (EditText) findViewById(R.id.edt_usual2);
        editTextt6 = (EditText) findViewById(R.id.edt_total);
        userdao userDao=userdao.getInstance(getApplicationContext());
        userDao.Initdata();
//        for(user u:userList){
//            eat=eat+Double.valueOf(u.getEat());
//            play=play+Double.valueOf(u.getPlay());
//            clothes=clothes+Double.valueOf(u.getClothes());
//            live=live+Double.valueOf(u.getLive());
//            usual=usual+Double.valueOf(u.getUsual());
//        }
//        userdao userDao = userdao.getInstance(getApplicationContext());
//        SQLiteDatabase db=userDao.getDb().getWritableDatabase();
//        Cursor cursor=db.query("tex",new String[]{"date","eat","play","clothes","live","usual"},null,null,null,null,null);
//        while(cursor.moveToNext()) {
//            eat = eat + Double.valueOf(cursor.getString(1));
//            play = play + Double.valueOf(cursor.getString(2));
//            clothes = clothes + Double.valueOf(cursor.getString(3));
//            live = live + Double.valueOf(cursor.getString(4));
//            usual = usual + Double.valueOf(cursor.getString(5));
//        }
//        total=eat+play+clothes+live+usual;

        editTextt1.setText(""+userDao.eat);
        editTextt2.setText(""+userDao.play);
        editTextt3.setText(""+userDao.clothes);
        editTextt4.setText(""+userDao.live);
        editTextt5.setText(""+userDao.usual);
        editTextt6.setText(""+userDao.total);
        userDao.clear();
    }

}