根据百度地图API得到坐标和地址并在地图上显示

时间：2021-12-04 15:02:11
<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="100dip"

        android:background="@android:color/white"

        android:orientation="vertical" >

        <TextView

            android:id="@+id/textview_location_latitude_degree"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:textColor="@android:color/black"

            android:textStyle="bold"

            android:text="location" />

        <TextView

            android:id="@+id/textview_location_longitude_degree"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:textColor="@android:color/black"

            android:textStyle="bold"

            android:text="location" />

    </LinearLayout>

    <LinearLayout

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_weight="1"

        android:layout_marginTop="30dip" >

         <com.baidu.mapapi.MapView

            android:id="@+id/bmapView"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:clickable="true" />

     </LinearLayout>

</LinearLayout>

BMapApiDemoApp.java

package com.example.textdemo4;

import android.app.Application;

import android.util.Log;

import android.widget.TextView;

import android.widget.Toast;

import com.baidu.location.BDLocation;

import com.baidu.location.BDLocationListener;

import com.baidu.location.LocationClient;

import com.baidu.location.LocationClientOption;

import com.baidu.mapapi.BMapManager;

import com.baidu.mapapi.MKEvent;

import com.baidu.mapapi.MKGeneralListener;

public class BMapApiDemoApp extends Application {

    public LocationClient mLocationClient = null;

    public String mData;

    public String address;

    public MyLocationListenner myListener = new MyLocationListenner();

    public TextView mTv;

    public TextView mAddress;

    /*private static LocationApplication instance;

    public static LocationApplication getInstance() {

        return instance;

    }*/

    static BMapApiDemoApp mDemoApp;

    private static BMapApiDemoApp instance;

    public static BMapApiDemoApp getInstance() {

        return instance;

    }

    BMapManager mBMapMan = null;  //百度MapAPI的管理类

    // 授权Key

    // 申请地址：http://developer.baidu.com/map/android-mobile-apply-key.htm

    String mStrKey = "F7A0CB2F6BA513A57031EEBEBE99BEC0B9A36434";

    boolean m_bKeyRight = true;    // 授权Key正确，验证通过

    // 常用事件监听，用来处理通常的网络错误，授权验证错误等

    static class MyGeneralListener implements MKGeneralListener {

        @Override

        public void onGetNetworkState(int iError) {

            Log.d("MyGeneralListener", "onGetNetworkState error is "+ iError);

            Toast.makeText(BMapApiDemoApp.mDemoApp.getApplicationContext(), "您的网络出错啦！",

                    Toast.LENGTH_LONG).show();

        }

        @Override

        public void onGetPermissionState(int iError) {

            Log.d("MyGeneralListener", "onGetPermissionState error is "+ iError);

            if (iError ==  MKEvent.ERROR_PERMISSION_DENIED) {

                // 授权Key错误：

                Toast.makeText(BMapApiDemoApp.mDemoApp.getApplicationContext(),

                        "请在BMapApiDemoApp.java文件输入正确的授权Key！",

                        Toast.LENGTH_LONG).show();

                BMapApiDemoApp.mDemoApp.m_bKeyRight = false;

            }

        }

    }

    @Override

    public void onCreate() {

        Log.v("BMapApiDemoApp", "onCreate");

        mDemoApp = this;

        mBMapMan = new BMapManager(this);

        boolean isSuccess = mBMapMan.init(this.mStrKey, new MyGeneralListener());

        // 初始化地图sdk成功，设置定位监听时间

        if (isSuccess) {

            mBMapMan.getLocationManager().setNotifyInternal(10, 5);

        }

        else {

            // 地图sdk初始化失败，不能使用sdk

        }

        //----------------------

        instance = this;

        mLocationClient = new LocationClient(getApplicationContext());

        mLocationClient.registerLocationListener(myListener);

        setLocationOption();

        //----------------------

        super.onCreate();

    }

    @Override

    //建议在您app的退出之前调用mapadpi的destroy()函数，避免重复初始化带来的时间消耗

    public void onTerminate() {

        if (mBMapMan != null) {

            mBMapMan.destroy();

            mBMapMan = null;

        }

        super.onTerminate();

    }

    // 设置相关参数

    public void setLocationOption() {

        LocationClientOption option = new LocationClientOption();

        option.setProdName("Compass");

        option.setOpenGps(true); // 打开gps

        option.setCoorType("bd09ll");

        option.setAddrType("all");

        option.setScanSpan(5 * 60 * 1000);

        option.setPriority(LocationClientOption.NetWorkFirst);

        mLocationClient.setLocOption(option);

    }

    /**

     *监听函数，又新位置的时候，格式化成字符串，输出到屏幕中

     */

    public class MyLocationListenner implements BDLocationListener {

        @Override

        public void onReceiveLocation(BDLocation location) {

            // TODO Auto-generated method stub

            if (location == null)

                return;

            StringBuffer sb = new StringBuffer(256);

            // sb.append("时间: ");

            // sb.append(location.getTime());

            sb.append("纬度 : ");

            sb.append(location.getLatitude() + "°");

            sb.append(", 经度 : ");

            sb.append(location.getLongitude() + "°");

//            sb.append(", 精度 : ");

//            sb.append(location.getRadius() + " 米");

            mData = sb.toString();

            if(mTv != null) mTv.setText(sb);

            if (location.getLocType() == BDLocation.TypeGpsLocation) {

                address = "速度 : " + location.getSpeed();

            } else if (location.getLocType() == BDLocation.TypeNetWorkLocation) {

                address = "地址 : " + location.getAddrStr();

            }

            if(mAddress !=null) mAddress.setText(address);

        }

        @Override

        public void onReceivePoi(BDLocation poiLocation) {

        }

    }

}

MainActivity.java

package com.example.textdemo4;

import com.baidu.mapapi.BMapManager;

import com.baidu.mapapi.GeoPoint;

import com.baidu.mapapi.LocationListener;

import com.baidu.mapapi.MapActivity;

import com.baidu.mapapi.MapView;

import com.baidu.mapapi.MyLocationOverlay;

import android.location.Location;

import android.os.Bundle;

import android.widget.TextView;

public class MainActivity extends MapActivity {

    BMapApiDemoApp application;

    TextView mLatitudeTV;// 纬度

    TextView mLongitudeTV;// 经度

    MapView mMapView = null;

    LocationListener mLocationListener = null;

    MyLocationOverlay mLocationOverlay = null;    //定位图层

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        application = (BMapApiDemoApp) getApplication();

        setContentView(R.layout.activity_main);

        mLongitudeTV = (TextView) findViewById(R.id.textview_location_longitude_degree);

        mLatitudeTV = (TextView) findViewById(R.id.textview_location_latitude_degree);

        application.mTv = mLatitudeTV;

        application.mAddress = mLongitudeTV;

        application.mLocationClient.start();

        //========================

        BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication();

        if (app.mBMapMan == null) {

            app.mBMapMan = new BMapManager(getApplication());

            app.mBMapMan.init(app.mStrKey, new BMapApiDemoApp.MyGeneralListener());

        }

        app.mBMapMan.start();

        // 如果使用地图SDK，请初始化地图Activity

        this.initMapActivity(app.mBMapMan);

        mMapView = (MapView)findViewById(R.id.bmapView);

        mMapView.setBuiltInZoomControls(true);

        //设置在缩放动画过程中也显示overlay,默认为不绘制

        mMapView.setDrawOverlayWhenZooming(true);

        // 添加定位图层

        mLocationOverlay = new MyLocationOverlay(this, mMapView);

        mMapView.getOverlays().add(mLocationOverlay);

        // 注册定位事件

        mLocationListener = new LocationListener(){

            @Override

            public void onLocationChanged(Location location) {

                if (location != null){

                    GeoPoint pt = new GeoPoint((int)(location.getLatitude()*1e6),

                            (int)(location.getLongitude()*1e6));

                    mMapView.getController().animateTo(pt);

                }

            }

        };

    }

    @Override

    protected void onPause() {

        BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication();

        app.mBMapMan.getLocationManager().removeUpdates(mLocationListener);

        mLocationOverlay.disableMyLocation();

        mLocationOverlay.disableCompass(); // 关闭指南针

        app.mBMapMan.stop();

        super.onPause();

    }

    @Override

    protected void onResume() {

        BMapApiDemoApp app = (BMapApiDemoApp)this.getApplication();

        // 注册定位事件，定位后将地图移动到定位点

        app.mBMapMan.getLocationManager().requestLocationUpdates(mLocationListener);

        mLocationOverlay.enableMyLocation();

        mLocationOverlay.enableCompass(); // 打开指南针

        app.mBMapMan.start();

        super.onResume();

    }

    @Override

    protected boolean isRouteDisplayed() {

        // TODO Auto-generated method stub

        return false;

    }

}

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.textdemo4"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="15" />

    <!-- 访问网络的权限 -->

    <uses-permission android:name="android.permission.INTERNET" />

    <!-- 访问精确位置的权限 -->

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <!-- 访问网络状态的权限 -->

    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <!-- 访问WIFI网络状态的权限 -->

    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

    <!-- 改变WIFI网络状态的权限 -->

    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />

    <!-- 读写存储卡的权限 -->

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <!-- 读取电话状态的权限 -->

    <uses-permission android:name="android.permission.READ_PHONE_STATE" />

    <uses-permission android:name="android.permission.CALL_PHONE" />

    <supports-screens

        android:anyDensity="true"

        android:largeScreens="true"

        android:normalScreens="false"

        android:resizeable="true"

        android:smallScreens="true" />

    <application  android:name=".BMapApiDemoApp"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name=".MainActivity"

            android:label="@string/title_activity_main"

            android:screenOrientation="sensor" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.DEFAULT" />

            </intent-filter>

            <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" />

    </application>

</manifest>

根据百度地图API得到坐标和地址并在地图上显示

完整DEMO下载地址：http://download.csdn.net/detail/androidsj/5868395

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