APP16（切换地图类型）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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">
    
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <RadioGroup
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/id_rp_mapType"
            android:orientation="horizontal"
            android:checkedButton="@id/id_btn_normal"
            >
            <RadioButton
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/id_btn_normal"
                android:text="普通地图"/>
            <RadioButton
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/id_btn_satellite"
                android:text="卫星地图"/>
        </RadioGroup>
        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="路况图"
            android:checked="false"
            android:id="@+id/id_cb_trafficEnabled"
            />
        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="热力图"
            android:id="@+id/id_cb_heatMapEnabled"
            android:checked="false"/>
    </LinearLayout>

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

</LinearLayout>

package com.example.myapp_subway;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.RadioGroup;

import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.MapView;

public class MainActivity extends AppCompatActivity {
    private MapView mMapView = null;
    private RadioGroup mapType;
    private RadioButton normalBtn;
    private RadioButton satelliteBtn;
    private CheckBox trafficEnabled;
    private CheckBox heatMapEnabled;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取地图控件引用
        mMapView = (MapView) findViewById(R.id.bmapView);
        mapType = findViewById(R.id.id_rp_mapType);
        normalBtn = findViewById(R.id.id_btn_normal);
        satelliteBtn = findViewById(R.id.id_btn_satellite);
        trafficEnabled = findViewById(R.id.id_cb_trafficEnabled);
        heatMapEnabled = findViewById(R.id.id_cb_heatMapEnabled);
        initEvent();
    }
    private void initEvent(){
        mapType.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                if (i == normalBtn.getId()) {
                    mMapView.getMap().setMapType(BaiduMap.MAP_TYPE_NORMAL);
                } else if (i == satelliteBtn.getId()) {
                    mMapView.getMap().setMapType(BaiduMap.MAP_TYPE_SATELLITE);
                }
            }
        });
        trafficEnabled.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                mMapView.getMap().setTrafficEnabled(b);
            }
        });
        heatMapEnabled.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                mMapView.getMap().setBaiduHeatMapEnabled(b);
            }
        });
    }

    @Override
    protected void onResume() {
        super.onResume();
        //在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理
        mMapView.onResume();
    }
    @Override
    protected void onPause() {
        super.onPause();
        //在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理
        mMapView.onPause();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        //在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
        mMapView.onDestroy();
    }
}

package com.example.myapp_subway;

import android.app.Application;

import com.baidu.mapapi.CoordType;
import com.baidu.mapapi.SDKInitializer;

public class DemoApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
        //在使用SDK各组件之前初始化context信息，传入ApplicationContext

//        SDKInitializer.setAgreePrivacy(this,true);//Android6.0以上版本需要动态申请

        SDKInitializer.initialize(this);
        //自4.3.0起，百度地图SDK所有接口均支持百度坐标和国测局坐标，用此方法设置您使用的坐标类型.
        //包括BD09LL和GCJ02两种坐标，默认是BD09LL坐标。
        SDKInitializer.setCoordType(CoordType.BD09LL);

    }
}

plugins {
    id 'com.android.application'
}

android {
    namespace 'com.example.myapp_subway'
    compileSdk 33

    defaultConfig {
        applicationId "com.example.myapp_subway"
        minSdk 24
        targetSdk 33
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
    implementation 'androidx.appcompat:appcompat:1.4.1'
    implementation 'com.google.android.material:material:1.5.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
    implementation files('libs/BaiduLBS_Android.jar')
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    <!-- 访问网络，进行地图相关业务数据请求，包括地图数据，路线规划，POI检索等 -->
    <uses-permission android:name="android.permission.INTERNET" />
    <!-- 获取网络状态，根据网络状态切换进行数据请求网络转换 -->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <!-- 读取外置存储。如果开发者使用了so动态加载功能并且把so文件放在了外置存储区域，则需要申请该权限，否则不需要 -->
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <!-- 写外置存储。如果开发者使用了离线地图，并且数据写在外置存储区域，则需要申请该权限 -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application
        android:name=".DemoApplication"
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/Theme.MyApp_subway"
        tools:targetApi="31">
        <meta-data
            android:name="com.baidu.lbsapi.API_KEY"
            android:value="8fePBNoH6gF5szgRpDT4OLQc9bcKiuuP" />
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>