个人作业——体温上报（一阶段）

主要代码：

MainActivity.java

package com.example.helloworld;

import androidx.appcompat.app.AppCompatActivity;

import android.app.AlertDialog;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.baidu.location.BDAbstractLocationListener;
import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;

import java.security.KeyPairGenerator;
import java.text.SimpleDateFormat;
import java.util.Date;

public class MainActivity extends AppCompatActivity {
    private EditText text1;
    private EditText text2;
    private EditText text3;
    private EditText text4;
    private WenDate wendate=new WenDate();
    private TextView mTv = null;
    public LocationClient mLocationClient = null;
    private MyLocationListener myListener = new MyLocationListener();

    public class MyLocationListener extends BDAbstractLocationListener {
        @Override
        public void onReceiveLocation(BDLocation location){
            //此处的BDLocation为定位结果信息类，通过它的各种get方法可获取定位相关的全部结果
            //以下只列举部分获取地址相关的结果信息
            //更多结果信息获取说明，请参照类参考中BDLocation类中的说明
            String addr = location.getAddrStr();    //获取详细地址信息
            String country = location.getCountry();    //获取国家
            String province = location.getProvince();    //获取省份
            String city = location.getCity();    //获取城市
            String district = location.getDistrict();    //获取区县
            String street = location.getStreet();    //获取街道信息
            String adcode = location.getAdCode();    //获取adcode
            String town = location.getTown();
            //获取乡镇信息
            text4=(EditText)findViewById(R.id.tv_text4);
            text4.setText(country+province+city+district+town+street+adcode);
        }
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.v("MainActivity","MainActivity启动");
       // MyDBHelper mydbh=new MyDBHelper(this,"mydb.db",1);
        //SQLiteDatabase sqldb=mydbh.getReadableDatabase();
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_main);
    }
    public void autoAddress(View view)
    {
        mLocationClient = new LocationClient(getApplicationContext());
        //声明LocationClient类
        mLocationClient.registerLocationListener(myListener);
        LocationClientOption option = new LocationClientOption();
        option.setIsNeedAddress(true);
        option.setNeedNewVersionRgc(true);
        mLocationClient.setLocOption(option);
        //注册监听函数
        mLocationClient.start();
    }
    public void autoTimeAndDate(View view)
    {
        text2=(EditText)findViewById(R.id.tv_text2);
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss");// HH:mm:ss
//获取当前时间
        Date date = new Date(System.currentTimeMillis());
        text2.setText(simpleDateFormat.format(date));
    }
    public void createDB(View view)
    {
        MyDBHelper mydbh=new MyDBHelper(this,"amydb.db",1);
        SQLiteDatabase sqldb=mydbh.getReadableDatabase();
    }
    public void insertDB(View view)
    {
        MyDBHelper mydbh=new MyDBHelper(this,"amydb.db",1);
        SQLiteDatabase sqldb=mydbh.getReadableDatabase();
        ContentValues contentvalues=new ContentValues();
        text1=(EditText)findViewById(R.id.tv_text1);
        text2=(EditText)findViewById(R.id.tv_text2);
        text3=(EditText)findViewById(R.id.tv_text3);
        text4=(EditText)findViewById(R.id.tv_text4);
        contentvalues.put("name",text1.getText().toString());
        contentvalues.put("dateandtime",text2.getText().toString());
        contentvalues.put("address",text4.getText().toString());
        contentvalues.put("wendu",text3.getText().toString());
        long flag=sqldb.insert("personwendu",null,contentvalues);
        Toast.makeText(this,"数据加入成功"+flag,Toast.LENGTH_LONG).show();
    }
    public void queryData(View view)
    {
        MyDBHelper mydbh=new MyDBHelper(this,"amydb.db",1);
        SQLiteDatabase sqldb=mydbh.getReadableDatabase();
        Cursor cursor=sqldb.rawQuery("select * from personwendu",null);
        String str="";
        if(cursor.moveToFirst())
        {
            do{
                String name=cursor.getString(cursor.getColumnIndex("name"));
                String dateandtime=cursor.getString(cursor.getColumnIndex("dateandtime"));
                String address=cursor.getString(cursor.getColumnIndex("address"));
                String wendu=cursor.getString(cursor.getColumnIndex("wendu"));
                str=str+name+"|"+dateandtime+"|"+wendu+"
"+address+"
";
            }while(cursor.moveToNext());
        }
        AlertDialog.Builder builder=new AlertDialog.Builder(this);
        builder.setTitle("历史记录").setIcon(R.mipmap.ic_launcher).setMessage(str)
                .setPositiveButton("ok", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                    }
                });
        AlertDialog ad=builder.create();
        ad.show();
    }
    public void updateData(View view)
    {
        MyDBHelper mydbh=new MyDBHelper(this,"mydb.db",1);
        SQLiteDatabase sqldb=mydbh.getReadableDatabase();
        ContentValues contentvalues=new ContentValues();
        contentvalues.put("name","明明");
        contentvalues.put("age","12");
        int flag=sqldb.update("person",contentvalues,"name=?",new String[]{"李明"});
        Toast.makeText(this,"已有"+flag+"条数据修改",Toast.LENGTH_LONG).show();
    }
    public void deleteDate(View view)
    {
        MyDBHelper mydbh=new MyDBHelper(this,"mydb.db",1);
        SQLiteDatabase sqldb=mydbh.getReadableDatabase();
        int flag=sqldb.delete("person","id=1",null);
        Toast.makeText(this,"已有"+flag+"条数据删除",Toast.LENGTH_LONG).show();
    }
}

MyDBHelper.java

package com.example.helloworld;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.widget.Toast;

import androidx.annotation.Nullable;

public class MyDBHelper extends SQLiteOpenHelper {
    private Context context;
    public MyDBHelper(Context context,String name,int version) {
        super(context, name, null, version);
        this.context=context;
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        String sql="create table personwendu(id integer primary key autoincrement, address varchar, name varchar, wendu varchar, dateandtime varchar)";
        db.execSQL(sql);
        Toast.makeText(context,"数据加入成",Toast.LENGTH_LONG).show();
    }

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

    }
}

SecondActivity.java

package com.example.helloworld;

import android.os.Bundle;
import android.util.Log;

import androidx.appcompat.app.AppCompatActivity;

public class SecondActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.v("SecondActivity","SecondActivity启动");
        setContentView(R.layout.activity_second);
    }
}

WenData.java

package com.example.helloworld;

public class WenDate {
    private String name;
    private String dateandtime;
    private String address;
    private String wendu;

    public String getWendu() {
        return wendu;
    }
    public void setWendu(String wendu) {
        this.wendu = wendu;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDateandtime() {
        return dateandtime;
    }

    public void setDateandtime(String dateandtime) {
        this.dateandtime = dateandtime;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public WenDate() {
    }
    public WenDate(String name,String dateandtime,String address,String wendu)
    {
        this.name=name;
        this.dateandtime=dateandtime;
        this.address=address;
        this.wendu=wendu;
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#FFCCF5" />

    <EditText
        android:id="@+id/tv_text1"
        android:layout_width="300dp"
        android:layout_height="66dp"
        android:layout_above="@+id/tv_button1"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_marginEnd="7dp"
        android:layout_marginRight="7dp"
        android:layout_marginBottom="338dp"
        android:hint="请输入姓名"
        android:textColorHint="#cc00" />

    <EditText
        android:id="@+id/tv_text2"
        android:layout_width="300dp"
        android:layout_height="66dp"
        android:layout_above="@+id/tv_button1"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_marginEnd="11dp"
        android:layout_marginRight="11dp"
        android:layout_marginBottom="273dp"
        android:hint="点击以获取当前时间与日期"
        android:onClick="autoTimeAndDate"
        android:textColorHint="#cc00" />

    <EditText
        android:id="@+id/tv_text3"
        android:layout_width="300dp"
        android:layout_height="66dp"
        android:layout_above="@+id/tv_button1"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_marginEnd="11dp"
        android:layout_marginRight="11dp"
        android:layout_marginBottom="222dp"
        android:hint="请输入现在的体温"
        android:textColorHint="#cc00" />

    <EditText
        android:id="@+id/tv_text4"
        android:layout_width="300dp"
        android:layout_height="66dp"
        android:layout_above="@+id/tv_button1"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_marginEnd="11dp"
        android:layout_marginRight="11dp"
        android:layout_marginBottom="164dp"
        android:hint="点击以获取当前位置"
        android:textColorHint="#cc00"
        android:onClick="autoAddress"/>

    <Button
        android:id="@+id/tv_button1"
        android:layout_width="252dp"
        android:layout_height="66dp"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentBottom="true"
        android:layout_centerVertical="true"
        android:layout_marginEnd="44dp"
        android:layout_marginRight="44dp"
        android:layout_marginBottom="131dp"
        android:background="#66ffff"
        android:onClick="insertDB"
        android:text="确定添加"
        android:textColor="#cc00"
        android:textSize="20sp" />

    <Button
        android:id="@+id/tv_button2"
        android:layout_width="252dp"
        android:layout_height="66dp"
        android:layout_alignParentEnd="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentBottom="true"
        android:layout_centerVertical="true"
        android:layout_marginEnd="50dp"
        android:layout_marginRight="44dp"
        android:layout_marginBottom="46dp"
        android:background="#66ffff"
        android:onClick="queryData"
        android:text="查看历史记录"
        android:textColor="#cc00"
        android:textSize="20sp" />

</RelativeLayout>

activity_second.xml

<?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">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="171dp"
        android:layout_marginLeft="171dp"
        android:layout_marginTop="356dp"
        android:layout_marginEnd="212dp"
        android:layout_marginRight="212dp"
        android:layout_marginBottom="356dp"
        android:rotation="24"
        android:rotationX="174"
        android:rotationY="-137"
        android:text="第二个页面"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>