1.申请API Key

通过keytool获取SHA1，并在百度地图开放平台上申请API Key。

2.配置百度地图AndroidSDK

从百度地图官方网站下载并解压地图SDK，然后将解压后文件复制到Android 项目目录中libs目录下。

3.配置build.gradle

在build.gradle文件中新增以下项目。

?

4.配置AndroidManifest.xml

在AndroidManifest.xml文件中新增以下内容。

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

在Application标签中新增以下内容。

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

?5.实现MainActivity

package com.example.homework4;

import androidx.appcompat.app.AppCompatActivity;

import android.Manifest;
import android.location.LocationListener;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.baidu.location.BDAbstractLocationListener;
import com.baidu.location.BDLocation;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.CoordType;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

public class MainActivity extends AppCompatActivity {
  private MapView mapView;
  private BaiduMap baiduMap;
  private LocationClient locationClient;

  @Override
  protected void onResume() {
    mapView.onResume();
    super.onResume();
  }

  @Override
  protected void onPause() {
    mapView.onPause();
    super.onPause();
  }

  @Override
  protected void onDestroy() {
    locationClient.stop();
    baiduMap.setMyLocationEnabled(false);
    mapView.onDestroy();
    mapView = null;
    super.onDestroy();
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    SDKInitializer.initialize(getApplicationContext());
    requestPermissions(new String[]{Manifest.permission.INTERNET, Manifest.permission.ACCESS_NETWORK_STATE, Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1);
    setContentView(R.layout.activity_main);
    mapView = (MapView) findViewById(R.id.bmapView);
    baiduMap = mapView.getMap();
    locationClient = new LocationClient(this);
    LocationClientOption option = new LocationClientOption();
    option.setOpenGps(true);
    option.setCoorType("bd09ll");
    option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
    option.setIsNeedAddress(true);
    option.setIgnoreKillProcess(false);
    option.setOnceLocation(true);
    option.setScanSpan(0);
    locationClient.setLocOption(option);
    locationClient.registerLocationListener(new BDAbstractLocationListener() {
      @Override
      public void onReceiveLocation(BDLocation location) {
        baiduMap.animateMapStatus(MapStatusUpdateFactory.newLatLng(new LatLng(location.getLatitude(), location.getLongitude())));
        Toast.makeText(getApplicationContext(),location.getAddrStr(),Toast.LENGTH_LONG).show();
      }
    });
    baiduMap.setMyLocationEnabled(true);
    locationClient.start();
  }
}

6.activity_main.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">

  <androidx.constraintlayout.widget.ConstraintLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/textview"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
  </androidx.constraintlayout.widget.ConstraintLayout>

  <com.baidu.mapapi.map.MapView
      android:id="@+id/bmapView"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:clickable="true" >

  </com.baidu.mapapi.map.MapView>
</androidx.constraintlayout.widget.ConstraintLayout>