百度基礎定位簡寫
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 {// 百度地圖控件PRivate MapView mMapView = null;// 百度地圖對象private BaiduMap bdMap;// 普通地圖private Button normalMapBtn;// 衛星地圖private Button satelliteMapBtn;// 實時路況交通圖private Button trafficMapBtn;// 熱力圖private Button headMapBtn;// 定位按鈕private Button locateBtn;// 定位模式 (普通-跟隨-羅盤)private LocationMode currentMode;// 定位圖標描述private BitmapDescriptor currentMarker = null;//private LocationClient locClient;// 記錄是否第一次定位private boolean isFirstLoc = true;// 覆蓋物按鈕private Button overlayBtn;//private double latitude, longitude;//private float currentX;// markerprivate Marker marker1;// 標記顯示第幾個覆蓋物 1->marker 2->polygon 3->text 4->GroundOverlay(地形圖圖層) 5->dot// 6->circle 7->arc 8->polylineprivate int overlayIndex = 0;// 初始化全局 bitmap 信息,不用時及時 recycle// 構建marker圖標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");// 開啟定位圖層bdMap.setMyLocationEnabled(true);locClient = new LocationClient(this);locClient.registerLocationListener(locListener);LocationClientOption option = new LocationClientOption();option.setOpenGps(true);// 打開gpsoption.setCoorType("bd09ll");// 設置坐標類型option.setAddrType("all");option.setScanSpan(1000);//locClient.setLocOption(option);locClient.start();// 對marker覆蓋物添加點擊事件bdMap.setOnMarkerClickListener(new OnMarkerClickListener() {@Overridepublic boolean onMarkerClick(Marker arg0) {if (arg0 == marker1) {final LatLng latLng = arg0.getPosition();// 將經緯度轉換成屏幕上的點// Point point =// bdMap.getProjection().toScreenLocation(latLng);Toast.makeText(MainActivity.this, latLng.toString(),Toast.LENGTH_SHORT).show();}return false;}});/*** 地圖點擊事件*/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,"拖拽結束,新位置:" + arg0.getPosition().latitude + ", "+ arg0.getPosition().longitude,Toast.LENGTH_LONG).show();reverseGeoCode(arg0.getPosition());}@Overridepublic void onMarkerDrag(Marker arg0) {}});}/*** 反地理編碼得到地址信息*/private void reverseGeoCode(LatLng latLng) {// 創建地理編碼檢索實例GeoCoder geoCoder = GeoCoder.newInstance();//OnGetGeoCoderResultListener listener = new OnGetGeoCoderResultListener() {// 反地理編碼查詢結果回調函數@Overridepublic void onGetReverseGeoCodeResult(ReverseGeoCodeResult result) {if (result == null|| result.error != SearchResult.ERRORNO.NO_ERROR) {// 沒有檢測到結果Toast.makeText(MainActivity.this, "抱歉,未能找到結果",Toast.LENGTH_LONG).show();}Toast.makeText(MainActivity.this,"位置:" + result.getAddress(), Toast.LENGTH_LONG).show();}// 地理編碼查詢結果回調函數@Overridepublic void onGetGeoCodeResult(GeoCodeResult result) {if (result == null|| result.error != SearchResult.ERRORNO.NO_ERROR) {// 沒有檢測到結果}}};// 設置地理編碼檢索監聽者geoCoder.setOnGetGeoCodeResultListener(listener);//geoCoder.reverseGeoCode(new ReverseGeoCodeOption().location(latLng));// 釋放地理編碼檢索實例// geoCoder.destroy();}/*** 定位監聽器*/BDLocationListener locListener = new BDLocationListener() {@Overridepublic void onReceivePoi(BDLocation location) {}@Overridepublic void onReceiveLocation(BDLocation location) {if (location == null || bdMap == null) {return;}// 構造定位數據MyLocationData locData = new MyLocationData.Builder().accuracy(location.getRadius())//.direction(100)// 方向.latitude(location.getLatitude())//.longitude(location.getLongitude())//.build();// 設置定位數據bdMap.setMyLocationData(locData);latitude = location.getLatitude();longitude = location.getLongitude();// 第一次定位的時候,那地圖中心店顯示為定位到的位置if (isFirstLoc) {isFirstLoc = false;LatLng ll = new LatLng(location.getLatitude(),location.getLongitude());// MapStatusUpdate描述地圖將要發生的變化// MapStatusUpdateFactory生成地圖將要反生的變化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("關閉實時路況");} else {bdMap.setTrafficEnabled(false);trafficMapBtn.setText("打開實時路況");}break;case R.id.heat_map_btn:if (!bdMap.isBaiduHeatMapEnabled()) {bdMap.setBaiduHeatMapEnabled(true);headMapBtn.setText("關閉熱力圖");} else {bdMap.setBaiduHeatMapEnabled(false);headMapBtn.setText("打開熱力圖");}break;case R.id.locate_btn:switch (currentMode) {case NORMAL:locateBtn.setText("跟隨");currentMode = LocationMode.FOLLOWING;break;case FOLLOWING:locateBtn.setText("羅盤");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("顯示多邊形覆蓋物");addMarkerOverlay();break;case 1:overlayBtn.setText("顯示文字覆蓋物");addPolygonOptions();break;case 2:overlayBtn.setText("顯示地形圖圖層覆蓋物");addTextOptions();break;case 3:overlayBtn.setText("顯示折線覆蓋物");addGroundOverlayOptions();break;case 4:overlayBtn.setText("顯示圓點覆蓋物");addPolylineOptions();break;case 5:overlayBtn.setText("顯示圓(空心)覆蓋物");addDotOptions();break;case 6:overlayBtn.setText("顯示折線覆蓋物");addCircleOptions();break;case 7:overlayBtn.setText("顯示marker覆蓋物");addArcOptions();break;}overlayIndex = (overlayIndex + 1) % 8;break;}}/*** 添加標注覆蓋物*/private void addMarkerOverlay() {bdMap.clear();// 定義marker坐標點LatLng point = new LatLng(latitude, longitude);// 構建markerOption,用于在地圖上添加markerOverlayOptions options = new MarkerOptions()//.position(point)// 設置marker的位置.icon(bitmap)// 設置marker的圖標.zIndex(9)// 設置marker的所在層級.draggable(true);// 設置手勢拖拽// 在地圖上添加marker,并顯示marker1 = (Marker) bdMap.addOverlay(options);}/*** 添加多邊形覆蓋物*/private void addPolygonOptions() {bdMap.clear();// 定義多邊形的五個頂點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);}/*** 添加文字覆蓋物*/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) // 設置字體大小.fontColor(0xFFFF00FF)// 設置字體顏色.text("我在這里?。。。?!") // 文字內容.rotate(-30) // 設置文字的旋轉角度.position(latLng);// 設置位置bdMap.addOverlay(textOptions);}/*** 添加地形圖圖層*/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);// 東北LatLngBounds bounds = new LatLngBounds.Builder().include(southwest).include(northeast).build();// 得到一個地理范圍對象GroundOverlayOptions groundOverlayOptions = new GroundOverlayOptions();groundOverlayOptions.image(bitmap2);// 顯示的圖片groundOverlayOptions.positionFromBounds(bounds);// 顯示的位置groundOverlayOptions.transparency(0.7f);// 顯示的透明度bdMap.addOverlay(groundOverlayOptions);}/*** 添加折線覆蓋物*/private void addPolylineOptions() {bdMap.clear();// 點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);// 折線線寬bdMap.addOverlay(polylineOptions);}/*** 添加圓點覆蓋物*/private void addDotOptions() {bdMap.clear();DotOptions dotOptions = new DotOptions();dotOptions.center(new LatLng(latitude, longitude));// 設置圓心坐標dotOptions.color(0XFFfaa755);// 顏色dotOptions.radius(25);// 設置半徑bdMap.addOverlay(dotOptions);}/*** 添加圓(空心)覆蓋物*/private void addCircleOptions() {bdMap.clear();CircleOptions circleOptions = new CircleOptions();circleOptions.center(new LatLng(latitude, longitude));// 設置圓心坐標circleOptions.fillColor(0XFFfaa755);// 圓的填充顏色circleOptions.radius(150);// 設置半徑circleOptions.stroke(new Stroke(5, 0xAA00FF00));// 設置邊框bdMap.addOverlay(circleOptions);}/*** 添加弧線覆蓋物*/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);// 設置弧線的起點、中點、終點坐標arcOptions.width(5);// 線寬arcOptions.color(0xFF000000);bdMap.addOverlay(arcOptions);}/*** 顯示彈出窗口覆蓋物*/private void displayInfoWindow(final LatLng latLng) {// 創建infowindow展示的viewButton btn = new Button(getApplicationContext());btn.setBackgroundResource(R.drawable.popup);btn.setText("點我點我~");BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromView(btn);// infowindow點擊事件OnInfoWindowClickListener infoWindowClickListener = new OnInfoWindowClickListener() {@Overridepublic void onInfoWindowClick() {reverseGeoCode(latLng);//隱藏InfoWindowbdMap.hideInfoWindow();}};// 創建infowindowInfoWindow infoWindow = new InfoWindow(bitmapDescriptor, latLng, -47,infoWindowClickListener);// 顯示InfoWindowbdMap.showInfoWindow(infoWindow);}@Overrideprotected void onResume() {super.onResume();mMapView.onResume();}@Overrideprotected void onPause() {super.onPause();mMapView.onPause();}@Overrideprotected void onDestroy() {// 退出時銷毀定位locClient.stop();bdMap.setMyLocationEnabled(false);mMapView.onDestroy();mMapView = null;super.onDestroy();// 回收bitmip資源bitmap.recycle();}}
<---在此處初始化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 各組間之前初始化 context 信息,傳入 ApplicationContextSDKInitializer.initialize(this);}}
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