对体温上报app的总结

设计思路：

1.界面采用垂直布局

2.定位采用高德地图sdk

3.数据存储到sqlite中

遇到问题：

1.对布局不知道采用哪种布局方式

2.无法使用百度地图SDK最后改用高德地图

3.sqlite数据库链接问题，以及树村存储方式的不明白

源程序代码：

1.com.exampl.myapplication:

package com.example.myapplication;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;



public class MainActivity extends AppCompatActivity {
    //声明AMapLocationClient类对象
    public AMapLocationClient mLocationClient = null;
    //声明定位回调监听器
    public AMapLocationListener mLocationListener = new MyAMapLocationListener();
    //声明AMapLocationClientOption对象
    public AMapLocationClientOption mLocationOption = null;
    MyOpenHelper openHelper;
    SQLiteDatabase datebase;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button bt=(Button)findViewById(R.id.button);
        Date date=new Date();
        Time time=new Time();
        final EditText TimeText=findViewById(R.id.editText);//获取时间
        final EditText DateText=findViewById(R.id.editText2);//获取日期
        final EditText TemperatureText=findViewById(R.id.editText5);//获取温度
        final EditText LocationText=findViewById(R.id.editText4);//获取位置信息
        DateText.setText(date.GetDate());
        TimeText.setText(time.GetTime());

        bt.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String temperature=TemperatureText.getText().toString();
                String date=DateText.getText().toString();
                String time= TimeText.getText().toString();
                String location=LocationText.getText().toString();
                insert(time,date,location,temperature);
            }
        });
        init();

    }
    public void insert(String Time,String Data,String Location,String Temperature){
        openHelper=new MyOpenHelper( this,"demo2.db",null,1);
        datebase=openHelper.getReadableDatabase();
        String sql="insert into demo3 (Time,Date,Location,Temperature) values('"+Time+"','"+Data+"','"+Location+"','"+Temperature+"')";
        datebase.execSQL(sql);
        Log.d("sql:","执行成功");
        datebase.close();
    }
    private void init() {
        //初始化定位
        mLocationClient = new AMapLocationClient(getApplicationContext());
        //设置定位回调监听
        mLocationClient.setLocationListener(mLocationListener);
        //初始化AMapLocationClientOption对象
        mLocationOption = new AMapLocationClientOption();
        //设置定位模式为AMapLocationMode.Hight_Accuracy，高精度模式。
        mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
        //        //获取一次定位结果：
        //该方法默认为false。
        mLocationOption.setOnceLocation(false);

        //获取最近3s内精度最高的一次定位结果：
        //设置setOnceLocationLatest(boolean b)接口为true，启动定位时SDK会返回最近3s内精度最高的一次定位结果。如果设置其为true，setOnceLocation(boolean b)接口也会被设置为true，反之不会，默认为false。
        mLocationOption.setOnceLocationLatest(true);
        //设置是否返回地址信息（默认返回地址信息）
        mLocationOption.setNeedAddress(true);
        //设置是否允许模拟位置,默认为false，不允许模拟位置
        mLocationOption.setMockEnable(false);
        //关闭缓存机制
        mLocationOption.setLocationCacheEnable(false);
        //给定位客户端对象设置定位参数
        mLocationClient.setLocationOption(mLocationOption);
        //启动定位
        mLocationClient.startLocation();

    }

    private class MyAMapLocationListener implements AMapLocationListener {

        @Override
        public void onLocationChanged(AMapLocation aMapLocation) {
            EditText Location=(EditText)findViewById(R.id.editText4);
            Location.setText(aMapLocation.getAddress());
            if (aMapLocation != null) {
                if (aMapLocation.getErrorCode() == 0) {
                    Log.e("位置：", aMapLocation.getAddress());
                } else {
                    //定位失败时，可通过ErrCode（错误码）信息来确定失败的原因，errInfo是错误信息，详见错误码表。
                    Log.e("AmapError", "location Error, ErrCode:"
                            + aMapLocation.getErrorCode() + ", errInfo:"
                            + aMapLocation.getErrorInfo());
                }
            }
        }
    }
}
2.com.example.layout

<?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">


    <EditText
        android:id="@+id/editText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginTop="54dp"
        android:layout_marginEnd="99dp"
        android:layout_marginBottom="43dp"
        android:ems="10"
        android:inputType="time"
        app:layout_constraintBottom_toTopOf="@+id/editText2"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/textView2"
        app:layout_constraintTop_toTopOf="parent" />

    <EditText
        android:id="@+id/editText2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="date"
        app:layout_constraintBottom_toTopOf="@+id/editText4"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/textView3"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editText"
        app:layout_constraintVertical_bias="0.23" />

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:text="填报时间"
        app:layout_constraintBottom_toBottomOf="@+id/editText"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/editText"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/editText"
        app:layout_constraintVertical_bias="0.653" />

    <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="vertical"
        app:layout_constraintGuide_begin="20dp" />

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/TextView_3"
        app:layout_constraintBottom_toBottomOf="@+id/editText2"
        app:layout_constraintEnd_toStartOf="@+id/editText2"
        app:layout_constraintHorizontal_bias="0.627"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/editText2"
        app:layout_constraintVertical_bias="0.538" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_begin="20dp" />

    <TextView
        android:id="@+id/textView5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="32dp"
        android:layout_marginEnd="10dp"
        android:text="@string/TextView_4"
        app:layout_constraintBottom_toBottomOf="@+id/editText4"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/editText4"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/editText4"
        app:layout_constraintVertical_bias="0.692" />

    <EditText
        android:id="@+id/editText4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="17dp"
        android:layout_marginTop="41dp"
        android:layout_marginEnd="96dp"
        android:layout_marginBottom="446dp"
        android:ems="10"
        android:gravity="start|top"
        android:inputType="textMultiLine"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/textView5"
        app:layout_constraintTop_toBottomOf="@+id/editText2"
        app:layout_constraintVertical_bias="1.0" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="157dp"
        android:layout_marginTop="150dp"
        android:layout_marginEnd="166dp"
        android:layout_marginBottom="319dp"
        android:text="@string/Button_up"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/editText4"
        app:layout_constraintVertical_bias="0.0" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline4"
        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/guideline5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_begin="20dp" />

    <TextView
        android:id="@+id/textView7"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="30dp"
        android:layout_marginEnd="22dp"
        android:text="@string/TextView_7"
        app:layout_constraintBottom_toBottomOf="@+id/editText5"
        app:layout_constraintEnd_toStartOf="@+id/editText5"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/editText5" />

    <EditText
        android:id="@+id/editText5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="39dp"
        android:layout_marginEnd="88dp"
        android:layout_marginBottom="66dp"
        android:ems="10"
        android:inputType="number"
        app:layout_constraintBottom_toTopOf="@+id/button"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/textView7"
        app:layout_constraintTop_toBottomOf="@+id/editText4"
        app:layout_constraintVertical_bias="0.0" />


</androidx.constraintlayout.widget.ConstraintLayout>
3.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myapplication">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <service android:name="com.amap.api.location.APSService" >
        </service>
        <meta-data android:name="com.amap.api.v2.apikey" android:value="76cc235a08ca05de3720a9fe05b70f56">
        </meta-data>

</application>
    <!--用于进行网络定位-->
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
    <!--用于访问GPS定位-->
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
    <!--用于获取运营商信息，用于支持提供运营商信息相关的接口-->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
    <!--用于访问wifi网络信息，wifi信息会用于进行网络定位-->
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
    <!--用于获取wifi的获取权限，wifi信息会用来进行网络定位-->
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
    <!--用于访问网络，网络定位需要上网-->
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
    <!--用于读取手机当前的状态-->
    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
    <!--用于写入缓存数据到扩展存储卡-->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
    <!--用于申请调用A-GPS模块-->
    <uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS"></uses-permission>
</manifest>