arcgis android之定位与显示

/* Copyright 2012 ESRI * * All rights reserved under the copyright laws of the United States * and applicable international laws, treaties, and conventions. * * You may freely redistribute and use this sample code, with or * without modification, provided you include the original copyright * notice and use restrictions. * * See the �Sample code usage restrictions� document for further information. * */ 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 } } }