Android开发-体温记录器

package com.example.temp;

import android.Manifest;
import android.content.ContentValues;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import com.baidu.location.*;
import java.text.SimpleDateFormat;
import java.util.*;

public class MainActivity extends AppCompatActivity {

    DBHelper dbHelper=null;

    public LocationClient mLocationClient = null;
    private MyLocationListener myListener = new MyLocationListener();

    private final int mRequestCode = 100;
    List<String> mPermissionList = new ArrayList<>();

    //声明一个数组，将需要申请的权限放在里面, 可以是一个权限，也可以是多个权限（你需要什么权限就添加什么权限）
    String[] permissions = new String[]{
            Manifest.permission.ACCESS_COARSE_LOCATION,
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.INTERNET,
            Manifest.permission.ACCESS_NETWORK_STATE,
            Manifest.permission.ACCESS_WIFI_STATE,
            Manifest.permission.CHANGE_WIFI_STATE,
    };

    public String getDate() {
        SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd HH:mm");
        Date date = new Date(System.currentTimeMillis());
        return sd.format(date);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView text_time = findViewById(R.id.text_time);
        text_time.setText("\n\n" + getDate());

        dbHelper=new DBHelper(getApplicationContext());


        //权限
        initPermission();
    }

    public void update() {
        TextView text_time = findViewById(R.id.text_time);
        TextView text_name = findViewById(R.id.text_name);
        TextView text_tem = findViewById(R.id.text_tem);
        TextView text_location = findViewById(R.id.text_location);

        text_tem.setText("");
        text_location.setText("");
        text_name.setText("");
        text_time.setText("\n\n" + getDate());
    }

    //提交
    public void onClick(View v) {
        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);

        EditText ename = (EditText)findViewById(R.id.text_name);
        EditText etem = (EditText)findViewById(R.id.text_tem);
        EditText elocation = (EditText)findViewById(R.id.text_location);
        TextView edate = (TextView) findViewById(R.id.text_time);

        String name = ename.getText().toString();
        String tem = etem.getText().toString();
        String location = elocation.getText().toString();
        String date = edate.getText().toString();

        ContentValues cValue = new ContentValues();

        cValue.put("name",name);
        cValue.put("tem",tem);
        cValue.put("location",location);
        cValue.put("date",date);

        SQLiteDatabase db = dbHelper.getWritableDatabase();
        db.insert("temtab",null,cValue);

        builder.setMessage("提交成功");
        builder.setPositiveButton("确认", null);
        builder.create().show();
        update();
    }

    //动态请求权限
    private void initPermission() {
        //清空没有通过的权限
        mPermissionList.clear();
        //逐个判断是否还有未通过的权限
        for (int i = 0; i < permissions.length; i++) {
            if (ContextCompat.checkSelfPermission(this, permissions[i]) !=
                    PackageManager.PERMISSION_GRANTED) {
                //添加还未授予的权限到mPermissionList中
                mPermissionList.add(permissions[i]);
            }
        }
        //申请权限
        if (mPermissionList.size() > 0) {
            //有权限没有通过，需要申请
            ActivityCompat.requestPermissions(this, permissions, mRequestCode);

        } else {
            //权限已经通过，进行的后续操作
        }
    }

    /**
     * 动态请求权限的回调方法
     *
     * @param requestCode  是我们自己定义的权限请求码
     * @param permissions  是我们请求的权限名称数组
     * @param grantResults 是我们在弹出页面后是否允许权限的标识数组，数组的长度对应的是权限
     *                     名称数组的长度，数组的数据0表示允许权限，-1表示我们点击了禁止权限
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        boolean hasPermissionDismiss = false;//有权限没有通过
        if (mRequestCode == requestCode) {
            for (int i = 0; i < grantResults.length; i++) {
                if (grantResults[i] == -1) {
                    hasPermissionDismiss = true;
                    break;
                }
            }
        }
        if (hasPermissionDismiss) {
            //如果有未被允许的权限
            showPermissionDialog();
        } else {
            //权限已经都通过了，进行的后续操作
        }

    }

    /*不再提示权限时的展示对话框*/
    AlertDialog mPermissionDialog;

    private void showPermissionDialog() {
        if (mPermissionDialog == null) {
            mPermissionDialog = new AlertDialog.Builder(this)
                    .setMessage("权限被禁止，请手动开启")
                    .setPositiveButton("设置", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            cancelPermissionDialog();
                            //跳转到设置里去手动开启权限
                            Uri uri = Uri.fromParts("package", getPackageName(), null);
                            Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                            intent.setData(uri);
                            startActivity(intent);
                        }
                    })
                    .setNegativeButton("取消", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            //关闭页面或者做其他操作
                            cancelPermissionDialog();
                            MainActivity.this.finish();
                        }
                    })
                    .create();
        }
        mPermissionDialog.show();
    }

    private void cancelPermissionDialog() {
        mPermissionDialog.cancel();
    }

    public void getLocation(View v) {   //获取位置的按钮
        TextView text_location = findViewById(R.id.text_location);
        text_location.setHint("正在获取位置...");
        startLocate();
        Log.v("MainActivity", "获取位置");
    }

    /*定位 */
    private void startLocate() {
        mLocationClient = new LocationClient(this);   //声明LocationClient类
        mLocationClient.registerLocationListener(myListener);  //注册监听函数
        LocationClientOption option = new LocationClientOption();
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
        //可选，默认高精度，设置定位模式，高精度，低功耗，仅设备
        option.setCoorType("bd09ll");//可选，默认gcj02，设置返回的定位结果坐标系
        option.setAddrType("all");
        option.setScanSpan(0);//可选，默认0，即仅定位一次，设置发起定位请求的间隔需要大于等于1000ms才是有效的
        option.setIsNeedAddress(true);//可选，设置是否需要地址信息，默认不需要
        option.setOpenGps(true);//可选，默认false,设置是否使用gps
        option.setLocationNotify(false);//可选，默认false，设置是否当GPS有效时按照1S/1次频率输出GPS结果
        option.setIsNeedLocationDescribe(true);//可选，默认false，设置是否需要位置语义化结果，可以在BDLocation.getLocationDescribe里得到，结果类似于“在北京天安门附近”
        option.setIsNeedLocationPoiList(true);//可选，默认false，设置是否需要POI结果，可以在BDLocation.getPoiList里得到
        option.setIgnoreKillProcess(false);//可选，默认true，定位SDK内部是一个SERVICE，并放到了独立进程，设置是否在stop的时候杀死这个进程，默认不杀死
        option.SetIgnoreCacheException(false);//可选，默认false，设置是否收集CRASH信息，默认收集
        option.setEnableSimulateGps(false);//可选，默认false，设置是否需要过滤GPS仿真结果，默认需要

        mLocationClient.setLocOption(option);
        //开启定位
        mLocationClient.start();
    }

    private class MyLocationListener implements BDLocationListener {

        @Override
        public void onReceiveLocation(BDLocation location) {
            StringBuffer sb = new StringBuffer(256);
            sb.append("time : ");
            sb.append(location.getTime());
            sb.append("\nerror code : ");
            sb.append(location.getLocType());
            sb.append("\nlatitude : ");
            sb.append(location.getLatitude());
            sb.append("\nlontitude : ");
            sb.append(location.getLongitude());
            sb.append("\nradius : ");
            sb.append(location.getRadius());
            if (location.getLocType() == BDLocation.TypeGpsLocation) {// GPS定位结果
                sb.append("\nspeed : ");
                sb.append(location.getSpeed());// 单位：公里每小时
                sb.append("\nsatellite : ");
                sb.append(location.getSatelliteNumber());
                sb.append("\nheight : ");
                sb.append(location.getAltitude());// 单位：米
                sb.append("\ndirection : ");
                sb.append(location.getDirection());// 单位度
                sb.append("\naddr : ");
                sb.append(location.getAddrStr());
                sb.append("\ndescribe : ");
                sb.append("gps定位成功");

            } else if (location.getLocType() == BDLocation.TypeNetWorkLocation) {// 网络定位结果
                sb.append("\naddr : ");
                sb.append(location.getAddrStr());
                //运营商信息
                sb.append("\noperationers : ");
                sb.append(location.getOperators());
                sb.append("\ndescribe : ");
                sb.append("网络定位成功");
            } else if (location.getLocType() == BDLocation.TypeOffLineLocation) {// 离线定位结果
                sb.append("\ndescribe : ");
                sb.append("离线定位成功，离线定位结果也是有效的");
            } else if (location.getLocType() == BDLocation.TypeServerError) {
                sb.append("\ndescribe : ");
                sb.append("服务端网络定位失败，可以反馈IMEI号和大体定位时间到loc-bugs@baidu.com，会有人追查原因");
            } else if (location.getLocType() == BDLocation.TypeNetWorkException) {
                sb.append("\ndescribe : ");
                sb.append("网络不同导致定位失败，请检查网络是否通畅");
            } else if (location.getLocType() == BDLocation.TypeCriteriaException) {
                sb.append("\ndescribe : ");
                sb.append("无法获取有效定位依据导致定位失败，一般是由于手机的原因，处于飞行模式下一般会造成这种结果，可以试着重启手机");
            }
            sb.append("\nlocationdescribe : ");
            sb.append(location.getLocationDescribe());// 位置语义化信息
            List<Poi> list = location.getPoiList();// POI数据
            if (list != null) {
                sb.append("\npoilist size = : ");
                sb.append(list.size());
                for (Poi p : list) {
                    sb.append("\npoi= : ");
                    sb.append(p.getId() + " " + p.getName() + " " + p.getRank());
                }
            }
            Log.e("描述：", sb.toString());

            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
            */

            TextView text_location = findViewById(R.id.text_location);
            text_location.setHint("正在获取位置...");
            text_location.setText(addr);
        }
    }

}

package com.example.temp;

import android.content.Context;
import android.database.sqlite.*;


public class DBHelper extends SQLiteOpenHelper {

    public DBHelper(Context context){
        super(context,"tem.db",null,3);
    }
    @Override
    public void onCreate(SQLiteDatabase sqLiteDatabase) {
        sqLiteDatabase.execSQL("create table temtab(_id INTEGER PRIMARY KEY AUTOINCREMENT, name text,tem text,location text,date text)");
    }

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

    }

    @Override
    public void onOpen(SQLiteDatabase sqLiteDatabase){
        super.onOpen(sqLiteDatabase);
    }

}

<?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/text_tem"
        android:layout_width="227dp"
        android:layout_height="86dp"
        android:hint="体温"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/text_name" />

    <TextView
        android:id="@+id/text_time"
        android:layout_width="201dp"
        android:layout_height="82dp"
        android:textSize="18sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        tools:layout_editor_absoluteY="100dp" />

    <EditText
        android:id="@+id/text_name"
        android:layout_width="227dp"
        android:layout_height="86dp"
        android:hint="姓名"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/text_time" />

    <Button
        android:id="@+id/button_submit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="提交"
        android:onClick="onClick"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/textView7" />

    <Button
        android:id="@+id/button_getlocate"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="获取位置"
        android:onClick="getLocation"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/text_location" />

    <EditText
        android:id="@+id/text_location"
        android:layout_width="247dp"
        android:layout_height="105dp"
        android:hint="位置"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/text_tem" />

    <TextView
        android:id="@+id/textView7"
        android:layout_width="159dp"
        android:layout_height="58dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/button_getlocate" />

</androidx.constraintlayout.widget.ConstraintLayout>

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

    <!--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>
    <!--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>
    <!--这个权限用于获取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>




    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="体温上报器"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <meta-data
            android:name="com.amap.api.v2.apikey"
            android:value="iBsqPf3mvdpGK9o1k4yeb15ge5b9GeLm"/>

        <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.baidu.location.f"
            android:enabled="true"
            android:process=":remote">
        </service>
    </application>

</manifest>