百度基础定位简写
package com.bdmap.view;
import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;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.map.BaiduMap;import com.baidu.mapapi.map.BaiduMap.OnMapClickListener;import com.baidu.mapapi.map.BaiduMap.OnMarkerClickListener;import com.baidu.mapapi.map.BaiduMap.OnMarkerDragListener;import com.baidu.mapapi.map.ArcOptions;import com.baidu.mapapi.map.BitmapDescriptor;import com.baidu.mapapi.map.BitmapDescriptorFactory;import com.baidu.mapapi.map.CircleOptions;import com.baidu.mapapi.map.DotOptions;import com.baidu.mapapi.map.GroundOverlayOptions;import com.baidu.mapapi.map.InfoWindow;import com.baidu.mapapi.map.MapPoi;import com.baidu.mapapi.map.InfoWindow.OnInfoWindowClickListener;import com.baidu.mapapi.map.MapStatusUpdate;import com.baidu.mapapi.map.MapStatusUpdateFactory;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.Marker;import com.baidu.mapapi.map.MarkerOptions;import com.baidu.mapapi.map.MyLocationConfiguration;import com.baidu.mapapi.map.PolylineOptions;import com.baidu.mapapi.map.MyLocationConfiguration.LocationMode;import com.baidu.mapapi.map.MyLocationData;import com.baidu.mapapi.map.Overlay;import com.baidu.mapapi.map.OverlayOptions;import com.baidu.mapapi.map.PolygonOptions;import com.baidu.mapapi.map.Stroke;import com.baidu.mapapi.map.TextOptions;import com.baidu.mapapi.model.LatLng;import com.baidu.mapapi.model.LatLngBounds;import com.baidu.mapapi.search.core.SearchResult;import com.baidu.mapapi.search.geocode.GeoCodeResult;import com.baidu.mapapi.search.geocode.GeoCoder;import com.baidu.mapapi.search.geocode.OnGetGeoCoderResultListener;import com.baidu.mapapi.search.geocode.ReverseGeoCodeOption;import com.baidu.mapapi.search.geocode.ReverseGeoCodeResult;public class MainActivity extends Activity implements OnClickListener {// 百度地图控件PRivate MapView mMapView = null;// 百度地图对象private BaiduMap bdMap;// 普通地图private Button normalMapBtn;// 卫星地图private Button satelliteMapBtn;// 实时路况交通图private Button trafficMapBtn;// 热力图private Button headMapBtn;// 定位按钮private Button locateBtn;// 定位模式 （普通-跟随-罗盘）private LocationMode currentMode;// 定位图标描述private BitmapDescriptor currentMarker = null;//private LocationClient locClient;// 记录是否第一次定位private boolean isFirstLoc = true;// 覆盖物按钮private Button overlayBtn;//private double latitude, longitude;//private float currentX;// markerprivate Marker marker1;// 标记显示第几个覆盖物 1->marker 2->polygon 3->text 4->GroundOverlay(地形图图层) 5->dot// 6->circle 7->arc 8->polylineprivate int overlayIndex = 0;// 初始化全局 bitmap 信息，不用时及时 recycle// 构建marker图标BitmapDescriptor bitmap = BitmapDescriptorFactory.fromResource(R.drawable.icon_marka);// GroundOptionsBitmapDescriptor bitmap2 = BitmapDescriptorFactory.fromResource(R.drawable.csdn_blog);@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);//setContentView(R.layout.activity_main);init();}/*** 初始化方法*/private void init() {mMapView = (MapView) findViewById(R.id.bmapview);MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(15.0f);bdMap = mMapView.getMap();bdMap.setMapStatus(msu);normalMapBtn = (Button) findViewById(R.id.normal_map_btn);satelliteMapBtn = (Button) findViewById(R.id.satellite_map_btn);trafficMapBtn = (Button) findViewById(R.id.traffic_map_btn);headMapBtn = (Button) findViewById(R.id.heat_map_btn);locateBtn = (Button) findViewById(R.id.locate_btn);overlayBtn = (Button) findViewById(R.id.overlay_btn);normalMapBtn.setOnClickListener(this);satelliteMapBtn.setOnClickListener(this);trafficMapBtn.setOnClickListener(this);headMapBtn.setOnClickListener(this);locateBtn.setOnClickListener(this);overlayBtn.setOnClickListener(this);//normalMapBtn.setEnabled(false);currentMode = LocationMode.NORMAL;locateBtn.setText("普通");// 开启定位图层bdMap.setMyLocationEnabled(true);locClient = new LocationClient(this);locClient.registerLocationListener(locListener);LocationClientOption option = new LocationClientOption();option.setOpenGps(true);// 打开gpsoption.setCoorType("bd09ll");// 设置坐标类型option.setAddrType("all");option.setScanSpan(1000);//locClient.setLocOption(option);locClient.start();// 对marker覆盖物添加点击事件bdMap.setOnMarkerClickListener(new OnMarkerClickListener() {@Overridepublic boolean onMarkerClick(Marker arg0) {if (arg0 == marker1) {final LatLng latLng = arg0.getPosition();// 将经纬度转换成屏幕上的点// Point point =// bdMap.getProjection().toScreenLocation(latLng);Toast.makeText(MainActivity.this, latLng.toString(),Toast.LENGTH_SHORT).show();}return false;}});/*** 地图点击事件*/bdMap.setOnMapClickListener(new OnMapClickListener() {@Overridepublic boolean onMapPoiClick(MapPoi arg0) {return false;}@Overridepublic void onMapClick(LatLng latLng) {displayInfoWindow(latLng);}});/*** 拖拽事件*/bdMap.setOnMarkerDragListener(new OnMarkerDragListener() {@Overridepublic void onMarkerDragStart(Marker arg0) {}@Overridepublic void onMarkerDragEnd(Marker arg0) {Toast.makeText(MainActivity.this,"拖拽结束，新位置：" + arg0.getPosition().latitude + ", "+ arg0.getPosition().longitude,Toast.LENGTH_LONG).show();reverseGeoCode(arg0.getPosition());}@Overridepublic void onMarkerDrag(Marker arg0) {}});}/*** 反地理编码得到地址信息*/private void reverseGeoCode(LatLng latLng) {// 创建地理编码检索实例GeoCoder geoCoder = GeoCoder.newInstance();//OnGetGeoCoderResultListener listener = new OnGetGeoCoderResultListener() {// 反地理编码查询结果回调函数@Overridepublic void onGetReverseGeoCodeResult(ReverseGeoCodeResult result) {if (result == null|| result.error != SearchResult.ERRORNO.NO_ERROR) {// 没有检测到结果Toast.makeText(MainActivity.this, "抱歉，未能找到结果",Toast.LENGTH_LONG).show();}Toast.makeText(MainActivity.this,"位置：" + result.getAddress(), Toast.LENGTH_LONG).show();}// 地理编码查询结果回调函数@Overridepublic void onGetGeoCodeResult(GeoCodeResult result) {if (result == null|| result.error != SearchResult.ERRORNO.NO_ERROR) {// 没有检测到结果}}};// 设置地理编码检索监听者geoCoder.setOnGetGeoCodeResultListener(listener);//geoCoder.reverseGeoCode(new ReverseGeoCodeOption().location(latLng));// 释放地理编码检索实例// geoCoder.destroy();}/*** 定位监听器*/BDLocationListener locListener = new BDLocationListener() {@Overridepublic void onReceivePoi(BDLocation location) {}@Overridepublic void onReceiveLocation(BDLocation location) {if (location == null || bdMap == null) {return;}// 构造定位数据MyLocationData locData = new MyLocationData.Builder().accuracy(location.getRadius())//.direction(100)// 方向.latitude(location.getLatitude())//.longitude(location.getLongitude())//.build();// 设置定位数据bdMap.setMyLocationData(locData);latitude = location.getLatitude();longitude = location.getLongitude();// 第一次定位的时候，那地图中心店显示为定位到的位置if (isFirstLoc) {isFirstLoc = false;LatLng ll = new LatLng(location.getLatitude(),location.getLongitude());// MapStatusUpdate描述地图将要发生的变化// MapStatusUpdateFactory生成地图将要反生的变化MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(ll);bdMap.animateMapStatus(msu);// bdMap.setMyLocationEnabled(false);Toast.makeText(getapplicationContext(), location.getAddrStr(),Toast.LENGTH_SHORT).show();}}};@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.normal_map_btn:bdMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);normalMapBtn.setEnabled(false);satelliteMapBtn.setEnabled(true);break;case R.id.satellite_map_btn:bdMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);satelliteMapBtn.setEnabled(false);normalMapBtn.setEnabled(true);break;case R.id.traffic_map_btn:if (!bdMap.isTrafficEnabled()) {bdMap.setTrafficEnabled(true);trafficMapBtn.setText("关闭实时路况");} else {bdMap.setTrafficEnabled(false);trafficMapBtn.setText("打开实时路况");}break;case R.id.heat_map_btn:if (!bdMap.isBaiduHeatMapEnabled()) {bdMap.setBaiduHeatMapEnabled(true);headMapBtn.setText("关闭热力图");} else {bdMap.setBaiduHeatMapEnabled(false);headMapBtn.setText("打开热力图");}break;case R.id.locate_btn:switch (currentMode) {case NORMAL:locateBtn.setText("跟随");currentMode = LocationMode.FOLLOWING;break;case FOLLOWING:locateBtn.setText("罗盘");currentMode = LocationMode.COMPASS;break;case COMPASS:locateBtn.setText("普通");currentMode = LocationMode.NORMAL;break;}bdMap.setMyLocationConfigeration(new MyLocationConfiguration(currentMode, true, currentMarker));break;case R.id.overlay_btn:switch (overlayIndex) {case 0:overlayBtn.setText("显示多边形覆盖物");addMarkerOverlay();break;case 1:overlayBtn.setText("显示文字覆盖物");addPolygonOptions();break;case 2:overlayBtn.setText("显示地形图图层覆盖物");addTextOptions();break;case 3:overlayBtn.setText("显示折线覆盖物");addGroundOverlayOptions();break;case 4:overlayBtn.setText("显示圆点覆盖物");addPolylineOptions();break;case 5:overlayBtn.setText("显示圆（空心）覆盖物");addDotOptions();break;case 6:overlayBtn.setText("显示折线覆盖物");addCircleOptions();break;case 7:overlayBtn.setText("显示marker覆盖物");addArcOptions();break;}overlayIndex = (overlayIndex + 1) % 8;break;}}/*** 添加标注覆盖物*/private void addMarkerOverlay() {bdMap.clear();// 定义marker坐标点LatLng point = new LatLng(latitude, longitude);// 构建markerOption，用于在地图上添加markerOverlayOptions options = new MarkerOptions()//.position(point)// 设置marker的位置.icon(bitmap)// 设置marker的图标.zIndex(9)// 設置marker的所在層級.draggable(true);// 设置手势拖拽// 在地图上添加marker，并显示marker1 = (Marker) bdMap.addOverlay(options);}/*** 添加多边形覆盖物*/private void addPolygonOptions() {bdMap.clear();// 定义多边形的五个顶点LatLng pt1 = new LatLng(latitude + 0.02, longitude);LatLng pt2 = new LatLng(latitude, longitude - 0.03);LatLng pt3 = new LatLng(latitude - 0.02, longitude - 0.01);LatLng pt4 = new LatLng(latitude - 0.02, longitude + 0.01);LatLng pt5 = new LatLng(latitude, longitude + 0.03);List<LatLng> points = new ArrayList<LatLng>();points.add(pt1);points.add(pt2);points.add(pt3);points.add(pt4);points.add(pt5);//PolygonOptions polygonOptions = new PolygonOptions();polygonOptions.points(points);polygonOptions.fillColor(0xAAFFFF00);polygonOptions.stroke(new Stroke(2, 0xAA00FF00));Overlay polygon = bdMap.addOverlay(polygonOptions);}/*** 添加文字覆盖物*/private void addTextOptions() {bdMap.clear();LatLng latLng = new LatLng(latitude, longitude);TextOptions textOptions = new TextOptions();textOptions.bgColor(0xAAFFFF00) // 設置文字覆蓋物背景顏色.fontSize(28) // 设置字体大小.fontColor(0xFFFF00FF)// 设置字体颜色.text("我在这里啊！！！！") // 文字内容.rotate(-30) // 设置文字的旋转角度.position(latLng);// 设置位置bdMap.addOverlay(textOptions);}/*** 添加地形图图层*/private void addGroundOverlayOptions() {bdMap.clear();LatLng southwest = new LatLng(latitude - 0.01, longitude - 0.012);// 西南LatLng northeast = new LatLng(latitude + 0.01, longitude + 0.012);// 东北LatLngBounds bounds = new LatLngBounds.Builder().include(southwest).include(northeast).build();// 得到一个地理范围对象GroundOverlayOptions groundOverlayOptions = new GroundOverlayOptions();groundOverlayOptions.image(bitmap2);// 显示的图片groundOverlayOptions.positionFromBounds(bounds);// 显示的位置groundOverlayOptions.transparency(0.7f);// 显示的透明度bdMap.addOverlay(groundOverlayOptions);}/*** 添加折线覆盖物*/private void addPolylineOptions() {bdMap.clear();// 点LatLng pt1 = new LatLng(latitude + 0.01, longitude);LatLng pt2 = new LatLng(latitude, longitude - 0.01);LatLng pt3 = new LatLng(latitude - 0.01, longitude - 0.01);LatLng pt5 = new LatLng(latitude, longitude + 0.01);List<LatLng> points = new ArrayList<LatLng>();points.add(pt1);points.add(pt2);points.add(pt3);points.add(pt5);//PolylineOptions polylineOptions = new PolylineOptions();polylineOptions.points(points);polylineOptions.color(0xFF000000);polylineOptions.width(4);// 折线线宽bdMap.addOverlay(polylineOptions);}/*** 添加圆点覆盖物*/private void addDotOptions() {bdMap.clear();DotOptions dotOptions = new DotOptions();dotOptions.center(new LatLng(latitude, longitude));// 设置圆心坐标dotOptions.color(0XFFfaa755);// 颜色dotOptions.radius(25);// 设置半径bdMap.addOverlay(dotOptions);}/*** 添加圆（空心）覆盖物*/private void addCircleOptions() {bdMap.clear();CircleOptions circleOptions = new CircleOptions();circleOptions.center(new LatLng(latitude, longitude));// 设置圆心坐标circleOptions.fillColor(0XFFfaa755);// 圆的填充颜色circleOptions.radius(150);// 设置半径circleOptions.stroke(new Stroke(5, 0xAA00FF00));// 设置边框bdMap.addOverlay(circleOptions);}/*** 添加弧线覆盖物*/private void addArcOptions() {bdMap.clear();LatLng pt1 = new LatLng(latitude, longitude - 0.01);LatLng pt2 = new LatLng(latitude - 0.01, longitude - 0.01);LatLng pt3 = new LatLng(latitude, longitude + 0.01);ArcOptions arcOptions = new ArcOptions();arcOptions.points(pt1, pt2, pt3);// 设置弧线的起点、中点、终点坐标arcOptions.width(5);// 线宽arcOptions.color(0xFF000000);bdMap.addOverlay(arcOptions);}/*** 显示弹出窗口覆盖物*/private void displayInfoWindow(final LatLng latLng) {// 创建infowindow展示的viewButton btn = new Button(getApplicationContext());btn.setBackgroundResource(R.drawable.popup);btn.setText("点我点我~");BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromView(btn);// infowindow点击事件OnInfoWindowClickListener infoWindowClickListener = new OnInfoWindowClickListener() {@Overridepublic void onInfoWindowClick() {reverseGeoCode(latLng);//隐藏InfoWindowbdMap.hideInfoWindow();}};// 创建infowindowInfoWindow infoWindow = new InfoWindow(bitmapDescriptor, latLng, -47,infoWindowClickListener);// 显示InfoWindowbdMap.showInfoWindow(infoWindow);}@Overrideprotected void onResume() {super.onResume();mMapView.onResume();}@Overrideprotected void onPause() {super.onPause();mMapView.onPause();}@Overrideprotected void onDestroy() {// 退出时销毁定位locClient.stop();bdMap.setMyLocationEnabled(false);mMapView.onDestroy();mMapView = null;super.onDestroy();// 回收bitmip资源bitmap.recycle();}}
<---在此处初始化application-->
package com.bdmap.view;import com.baidu.mapapi.SDKInitializer;import android.app.Application;public class MapApplication extends Application {@Overridepublic void onCreate() {super.onCreate();// 在使用 SDK 各组间之前初始化 context 信息，传入 ApplicationContextSDKInitializer.initialize(this);}}
新闻热点
疑难解答
