首页 > 代码库 > Arcgis andoid开发之应用百度地图接口实现精准定位与显示
Arcgis andoid开发之应用百度地图接口实现精准定位与显示
怀着激动、兴奋的心情，在这个漫天柳絮的季节写下了这片博文，为什么呢，因为困扰我很久的一个技术性的问题得到了解决，发次博文，供大家参观、学习，同时，也以慰藉我长期困扰的心情，好了，废话不再，言归正传，看看这到底是个什么东西？
首先，简单地介绍一下功能：1、离线地图的加载；2、GPS的定位与显示。文字比较模糊，看看实际的效果图：
功能其实很简单，下面解释一下实现思路：
1、布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" > <com.esri.android.map.MapView android:id="@+id/map" android:layout_width="fill_parent" android:layout_height="fill_parent"> </com.esri.android.map.MapView> <Button android:id="@+id/btnStartGps" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:layout_marginLeft="10dp" android:layout_marginTop="10dp" android:text="GPS定位" /></RelativeLayout>
布局很简单，一个mapView，用来显示地图；一个button，用来触发GPS开始定位。
2、配置文件
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.esri.arcgis.android.samples.localtiledlayer" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="10" /> <uses-feature android:glEsVersion="0x00020000" android:required="true" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <application android:icon="@drawable/icon" android:label="@string/app_name" > <activity android:name="com.esri.arcgis.android.samples.localtiledlayer.LocalTiledLayer" android:configChanges="orientation" android:label="@string/app_name" > <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> <uses-permission android:name="android.permission.GET_ACCOUNTS" /> <uses-permission android:name="android.permission.USE_CREDENTIALS" /> <uses-permission android:name="android.permission.MANAGE_ACCOUNTS" /> <uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" /> <permission android:name="android.permission.BAIDU_LOCATION_SERVICE" > </permission> <uses-permission android:name="android.permission.BAIDU_LOCATION_SERVICE" > </uses-permission> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" > </uses-permission> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" > </uses-permission> <uses-permission android:name="android.permission.INTERNET" > </uses-permission> <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" > </uses-permission> <!-- <uses-permission android:name="android.permission.WRITE_APN_SETTINGS"></uses-permission> --> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" > </uses-permission> <uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" /> <uses-permission android:name="android.permission.WAKE_LOCK" > </uses-permission> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.ACCESS_GPS" /> <uses-permission android:name="android.permission.READ_PHONE_STATE" /> <uses-permission android:name="android.permission.READ_CONTACTS" /> <uses-permission android:name="android.permission.CALL_PHONE" /> <uses-permission android:name="android.permission.READ_SMS" /> <uses-permission android:name="android.permission.SEND_SMS" /> <!-- SDK1.5需要android.permission.GET_TASKS权限判断本程序是否为当前运行的应用? --> <uses-permission android:name="android.permission.GET_TASKS" /> <uses-permission android:name="android.permission.CAMERA" > </uses-permission> <uses-permission android:name="android.permission.RECORD_AUDIO" > </uses-permission> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" > </uses-permission> <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /> <uses-permission android:name="android.permission.BROADCAST_STICKY" /> <uses-permission android:name="android.permission.WRITE_SETTINGS" /> <!-- 来电消音 --> <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" > </uses-permission> <uses-permission android:name="android.permission.READ_PHONE_STATE" /> <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" /> <supports-screens android:anyDensity="true" android:largeScreens="true" android:normalScreens="false" android:resizeable="true" android:smallScreens="true" /></manifest>
具体啥意思，自己去看看相关的资料吧，我在此不多做解释。
3、activity实现
package com.esri.arcgis.android.samples.localtiledlayer;import android.app.Activity;import android.graphics.Color;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;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.MKGeneralListener;import com.baidu.mapapi.map.MKEvent;import com.esri.android.map.GraphicsLayer;import com.esri.android.map.MapView;import com.esri.android.map.ags.ArcGISLocalTiledLayer;import com.esri.core.geometry.GeometryEngine;import com.esri.core.geometry.Point;import com.esri.core.geometry.SpatialReference;import com.esri.core.map.Graphic;import com.esri.core.symbol.SimpleMarkerSymbol;import com.esri.core.symbol.SimpleMarkerSymbol.STYLE;public class LocalTiledLayer extends Activity { private MapView map = null; private ArcGISLocalTiledLayer local; //提示信息 private Toast toast; /** * GPS定位 */ private GraphicsLayer gLayerGps; private Point wgspoint; private Point mapPoint; private Button btnGPS; //定位SDK的核心类 private LocationClient mLocClient; //是否手动触发请求定位 private boolean isRequest = true; //是否首次定位 private boolean isFirstLoc = true; //地图显示 private BMapManager mBMapMan = null; private int requestTime=0; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); map = (MapView) findViewById(R.id.map); mLocClient = new LocationClient(getApplicationContext()); mLocClient.registerLocationListener(new BDLocationListenerImpl());//注册定位监听接口 /** * LocationClientOption 该类用来设置定位SDK的定位方式。 */ LocationClientOption option = new LocationClientOption(); option.setOpenGps(true); //打开GPRS option.setAddrType("all");//返回的定位结果包含地址信息 option.setCoorType("bd09ll");//返回的定位结果是百度经纬度,默认值gcj02 option.setPriority(LocationClientOption.GpsFirst); // 设置GPS优先 option.setScanSpan(1000); //设置发起定位请求的间隔时间为1s option.disableCache(true);//启用缓存定位 mLocClient.setLocOption(option); //设置定位参数 local = new ArcGISLocalTiledLayer("file:///storage/sdcard0/arcgis/base_map.tpk"); map.addLayer(local); gLayerGps = new GraphicsLayer(); map.addLayer(gLayerGps); //开始定位按钮 btnGPS=(Button)findViewById(R.id.btnStartGps); btnGPS.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v) { mLocClient.start();//调用此方法开始定位 requestLocation(); } }); } public void requestLocation() { isRequest = true; if(mLocClient != null && mLocClient.isStarted()) { showToast("GPS正在定位……"); mLocClient.requestLocation(); } else { Log.d("log", "locClient is null or not started"); } } public class MKGeneralListenerImpl implements MKGeneralListener { /** * 一些网络状态的错误处理回调函数 */ @Override public void onGetNetworkState(int iError) { if (iError == MKEvent.ERROR_NETWORK_CONNECT) { showToast("您的网络出错啦！"); } } /** * 授权错误的时候调用的回调函数 */ @Override public void onGetPermissionState(int iError) { if (iError == MKEvent.ERROR_PERMISSION_DENIED) { showToast("API KEY错误, 请检查！"); } } } private void showToast(String msg) { if(toast == null) { toast = Toast.makeText(this, msg, Toast.LENGTH_SHORT); } else { toast.setText(msg); toast.setDuration(Toast.LENGTH_SHORT); } toast.show(); } /** * 将GPS点标注在地图上 * @param 纬度 * @param 经度 */ public void ShowGpsOnMap(double lon,double lat){ //清空定位图层 gLayerGps.removeAll(); //接收到的GPS的信号X(lat),Y(lon) double locx = lon; double locy = lat; wgspoint = new Point(locx, locy); mapPoint = (Point) GeometryEngine.project(wgspoint,SpatialReference.create(4326),map.getSpatialReference()); //图层的创建 Graphic graphic = new Graphic(mapPoint,new SimpleMarkerSymbol(Color.RED,18,STYLE.CIRCLE)); gLayerGps.addGraphic(graphic); } public class BDLocationListenerImpl implements BDLocationListener { /** * 接收异步返回的定位结果，参数是BDLocation类型参数 */ @Override public void onReceiveLocation(BDLocation location) { if (location == null) { return; } 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) { sb.append("\nspeed : "); sb.append(location.getSpeed()); sb.append("\nsatellite : "); sb.append(location.getSatelliteNumber()); } else if (location.getLocType() == BDLocation.TypeNetWorkLocation) { sb.append("\naddr : "); sb.append(location.getAddrStr()); } Log.e("log", sb.toString()); if(isFirstLoc || isRequest) { isRequest = false; } isFirstLoc = false; double lat=location.getLatitude(); double lon=location.getLongitude(); ShowGpsOnMap(lon,lat); } @Override public void onReceivePoi(BDLocation arg0) { // TODO Auto-generated method stub } }}相对来说，注释也是很清楚地，就不做多解释，思路大概是：
显示地图——》接收位置信息，获取经纬度——》将经纬度转换为点在地图上标绘
声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉： 投诉/举报 工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。