百度地圖總結第四篇之路線規劃功能
線路規劃: 今天總結的有四種路線方案,分別是駕車、公交(通從)、步行(同城)、騎行。(自3.7.0起,新增騎行線路規劃功能) 好了下面我們來看下吧,這裡的程式碼有點多,我在本篇結束後,會給出github地址,以便參考(這裡基本也是demo裡面的程式碼)。 公交線路規化: 第一步,建立公交線路規劃檢索例項;
mSearch = RoutePlanSearch.newInstance();
複製程式碼
第二步,建立公交線路規劃檢索監聽者;
OnGetRoutePlanResultListener listener = new OnGetRoutePlanResultListener() {
public void onGetWalkingRouteResult(WalkingRouteResult result) {
//
}
public void onGetTransitRouteResult(TransitRouteResult result) {
if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
Toast.makeText(RoutePlanDemo.this, "抱歉,未找到結果", Toast.LENGTH_SHORT).show();
}
if (result.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {
//起終點或途經點地址有岐義,通過以下介面獲取建議查詢資訊
//result.getSuggestAddrInfo()
return;
}
if (result.error == SearchResult.ERRORNO.NO_ERROR) {
TransitRouteOverlay overlay = new MyTransitRouteOverlay(mBaidumap);
mBaidumap.setOnMarkerClickListener(overlay);
overlay.setData(result.getRouteLines().get(0));
overlay.addToMap();
overlay.zoomToSpan();
}
}
public void onGetDrivingRouteResult(DrivingRouteResult result) {
//
}
};
複製程式碼
第三步,設定公交線路規劃檢索監聽者;
mSearch.setOnGetRoutePlanResultListener(listener);
複製程式碼
第四步,準備檢索起、終點資訊;
PlanNode stNode = PlanNode.withCityNameAndPlaceName("北京", "龍澤");
PlanNode enNode = PlanNode.withCityNameAndPlaceName("北京", "西單");
複製程式碼
第五步,發起公交線路規劃檢索;
mSearch.transitSearch((new TransitRoutePlanOption())
.from(stNode)
.city("北京")
.to(enNode));
複製程式碼
第六步,釋放檢索例項;
mSearch.destory();
複製程式碼
其他的三種路線規劃的大致步奏和公交路線大致相同,可以參考下。 這裡我們就直接上程式碼了(裡面做了解釋):
package com.example.mylocation;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.InfoWindow;
import com.baidu.mapapi.map.MapPoi;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.search.core.RouteLine;
import com.baidu.mapapi.search.core.SearchResult;
import com.baidu.mapapi.search.route.BikingRouteLine;
import com.baidu.mapapi.search.route.BikingRoutePlanOption;
import com.baidu.mapapi.search.route.BikingRouteResult;
import com.baidu.mapapi.search.route.DrivingRouteLine;
import com.baidu.mapapi.search.route.DrivingRoutePlanOption;
import com.baidu.mapapi.search.route.DrivingRouteResult;
import com.baidu.mapapi.search.route.OnGetRoutePlanResultListener;
import com.baidu.mapapi.search.route.PlanNode;
import com.baidu.mapapi.search.route.RoutePlanSearch;
import com.baidu.mapapi.search.route.TransitRouteLine;
import com.baidu.mapapi.search.route.TransitRoutePlanOption;
import com.baidu.mapapi.search.route.TransitRouteResult;
import com.baidu.mapapi.search.route.WalkingRouteLine;
import com.baidu.mapapi.search.route.WalkingRoutePlanOption;
import com.baidu.mapapi.search.route.WalkingRouteResult;
import com.example.mylocation.overly.BikingRouteOverlay;
import com.example.mylocation.overly.DrivingRouteOverlay;
import com.example.mylocation.overly.OverlayManager;
import com.example.mylocation.overly.TransitRouteOverlay;
import com.example.mylocation.overly.WalkingRouteOverlay;
/**
* 此demo用來展示如何進行駕車、步行、公交路線搜尋並在地圖使用RouteOverlay、TransitOverlay繪製
* 同時展示如何進行節點瀏覽並彈出泡泡
*/
public class RoutePlanDemo extends AppCompatActivity implements BaiduMap.OnMapClickListener,
OnGetRoutePlanResultListener {
// 瀏覽路線節點相關
Button mBtnPre = null; // 上一個節點
Button mBtnNext = null; // 下一個節點
int nodeIndex = -1; // 節點索引,供瀏覽節點時使用
RouteLine route = null; //路線
OverlayManager routeOverlay = null; //該類提供一個能夠顯示和管理多個Overlay的基類
boolean useDefaultIcon = false; //
private TextView popupText = null; // 泡泡view
// 地圖相關,使用繼承MapView的MyRouteMapView目的是重寫touch事件實現泡泡處理
// 如果不處理touch事件,則無需繼承,直接使用MapView即可
MapView mMapView = null; // 地圖View
BaiduMap mBaidumap = null;
// 搜尋相關
RoutePlanSearch mSearch = null; // 搜尋模組,也可去掉地圖模組獨立使用
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_routeplan);
CharSequence titleLable = "路線規劃功能";
setTitle(titleLable);
// 初始化地圖
mMapView = (MapView) findViewById(R.id.map);
mBaidumap = mMapView.getMap();
mBtnPre = (Button) findViewById(R.id.pre);
mBtnNext = (Button) findViewById(R.id.next);
mBtnPre.setVisibility(View.INVISIBLE);
mBtnNext.setVisibility(View.INVISIBLE);
// 地圖點選事件處理
mBaidumap.setOnMapClickListener(this);
// 初始化搜尋模組,註冊事件監聽
mSearch = RoutePlanSearch.newInstance();
mSearch.setOnGetRoutePlanResultListener(this);
}
/**
* 發起路線規劃搜尋示例
*
* @param v
*/
public void searchButtonProcess(View v) {
// 重置瀏覽節點的路線資料
route = null;
mBtnPre.setVisibility(View.INVISIBLE);
mBtnNext.setVisibility(View.INVISIBLE);
mBaidumap.clear();
// 處理搜尋按鈕響應
EditText editSt = (EditText) findViewById(R.id.start);
EditText editEn = (EditText) findViewById(R.id.end);
// 設定起終點資訊,對於tranist search 來說,城市名無意義
PlanNode stNode = PlanNode.withCityNameAndPlaceName("北京", editSt.getText().toString());
PlanNode enNode = PlanNode.withCityNameAndPlaceName("北京", editEn.getText().toString());
// 實際使用中請對起點終點城市進行正確的設定
if (v.getId() == R.id.drive) {
//駕車行駛
mSearch.drivingSearch((new DrivingRoutePlanOption())
.from(stNode).to(enNode));
} else if (v.getId() == R.id.transit) {
//公交行駛
mSearch.transitSearch((new TransitRoutePlanOption())
.from(stNode).city("北京").to(enNode));
} else if (v.getId() == R.id.walk) {
//步行
mSearch.walkingSearch((new WalkingRoutePlanOption())
.from(stNode).to(enNode));
} else if (v.getId() == R.id.bike) {
//騎行
mSearch.bikingSearch((new BikingRoutePlanOption())
.from(stNode).to(enNode));
}
}
/**
* 節點瀏覽示例
*
* @param v
*/
public void nodeClick(View v) {
if (route == null || route.getAllStep() == null) {
return;
}
if (nodeIndex == -1 && v.getId() == R.id.pre) {
return;
}
// 設定節點索引
if (v.getId() == R.id.next) {
if (nodeIndex < route.getAllStep().size() - 1) {
nodeIndex++;
} else {
return;
}
} else if (v.getId() == R.id.pre) {
if (nodeIndex > 0) {
nodeIndex--;
} else {
return;
}
}
// 獲取節結果資訊
LatLng nodeLocation = null; //經緯度
String nodeTitle = null; //節點title(駕程資訊)
Object step = route.getAllStep().get(nodeIndex);
if (step instanceof DrivingRouteLine.DrivingStep) {
//駕車
nodeLocation = ((DrivingRouteLine.DrivingStep) step).getEntrance().getLocation();
nodeTitle = ((DrivingRouteLine.DrivingStep) step).getInstructions();
} else if (step instanceof WalkingRouteLine.WalkingStep) {
//步行
nodeLocation = ((WalkingRouteLine.WalkingStep) step).getEntrance().getLocation();
nodeTitle = ((WalkingRouteLine.WalkingStep) step).getInstructions();
} else if (step instanceof TransitRouteLine.TransitStep) {
//公交
nodeLocation = ((TransitRouteLine.TransitStep) step).getEntrance().getLocation();
nodeTitle = ((TransitRouteLine.TransitStep) step).getInstructions();
} else if (step instanceof BikingRouteLine.BikingStep) {
//騎行
nodeLocation = ((BikingRouteLine.BikingStep) step).getEntrance().getLocation();
nodeTitle = ((BikingRouteLine.BikingStep) step).getInstructions();
}
if (nodeLocation == null || nodeTitle == null) {
return;
}
// 移動節點至中心
mBaidumap.setMapStatus(MapStatusUpdateFactory.newLatLng(nodeLocation));
// show popup
//這個是在每次點選左或者右(也就是前後節點,這個時候就會在站點的上方彈出一個infowindow,顯示路線換成資訊)
popupText = new TextView(RoutePlanDemo.this);
popupText.setBackgroundResource(R.mipmap.popup);
popupText.setTextColor(0xFF000000);
popupText.setText(nodeTitle);
mBaidumap.showInfoWindow(new InfoWindow(popupText, nodeLocation, 0));
}
/**
* 切換路線圖示,重新整理地圖使其生效
* 注意: 起終點圖示使用中心對齊.
*/
public void changeRouteIcon(View v) {
if (routeOverlay == null) {
return;
}
if (useDefaultIcon) {
((Button) v).setText("自定義起終點圖示");
Toast.makeText(this,
"將使用系統起終點圖示",
Toast.LENGTH_SHORT).show();
} else {
((Button) v).setText("系統起終點圖示");
Toast.makeText(this,
"將使用自定義起終點圖示",
Toast.LENGTH_SHORT).show();
}
useDefaultIcon = !useDefaultIcon;
routeOverlay.removeFromMap(); //將所有overlay從地圖中溢位
routeOverlay.addToMap(); //新增
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
}
/**
* 得到步行路線的結果
* @param result
*/
@Override
public void onGetWalkingRouteResult(WalkingRouteResult result) {
if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
Toast.makeText(RoutePlanDemo.this, "抱歉,未找到結果", Toast.LENGTH_SHORT).show();
}
if (result.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {
// 起終點或途經點地址有岐義,通過以下介面獲取建議查詢資訊
// result.getSuggestAddrInfo()
return;
}
if (result.error == SearchResult.ERRORNO.NO_ERROR) {
nodeIndex = -1;
mBtnPre.setVisibility(View.VISIBLE);
mBtnNext.setVisibility(View.VISIBLE);
route = result.getRouteLines().get(0);
WalkingRouteOverlay overlay = new MyWalkingRouteOverlay(mBaidumap);
mBaidumap.setOnMarkerClickListener(overlay);
routeOverlay = overlay;
//設定路線資料
overlay.setData(result.getRouteLines().get(0));
overlay.addToMap(); //將所有overlay新增到地圖中
overlay.zoomToSpan();//縮放地圖
}
}
/**
* 得到公交車的駕駛路線
* @param result
*/
@Override
public void onGetTransitRouteResult(TransitRouteResult result) {
if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
Toast.makeText(RoutePlanDemo.this, "抱歉,未找到結果", Toast.LENGTH_SHORT).show();
}
if (result.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {
// 起終點或途經點地址有岐義,通過以下介面獲取建議查詢資訊
// result.getSuggestAddrInfo()
return;
}
if (result.error == SearchResult.ERRORNO.NO_ERROR) {
nodeIndex = -1;
mBtnPre.setVisibility(View.VISIBLE);
mBtnNext.setVisibility(View.VISIBLE);
route = result.getRouteLines().get(0);
TransitRouteOverlay overlay = new MyTransitRouteOverlay(mBaidumap);
mBaidumap.setOnMarkerClickListener(overlay);
routeOverlay = overlay;
//設定路線資料
overlay.setData(result.getRouteLines().get(0));
overlay.addToMap(); //將所有overlay新增到地圖中
overlay.zoomToSpan();//縮放地圖
}
}
/**
* 得到駕車路線
* @param result
*/
@Override
public void onGetDrivingRouteResult(DrivingRouteResult result) {
if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
Toast.makeText(RoutePlanDemo.this, "抱歉,未找到結果", Toast.LENGTH_SHORT).show();
}
if (result.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {
// 起終點或途經點地址有岐義,通過以下介面獲取建議查詢資訊
// result.getSuggestAddrInfo()
return;
}
if (result.error == SearchResult.ERRORNO.NO_ERROR) {
nodeIndex = -1;
mBtnPre.setVisibility(View.VISIBLE);
mBtnNext.setVisibility(View.VISIBLE);
route = result.getRouteLines().get(0);
DrivingRouteOverlay overlay = new MyDrivingRouteOverlay(mBaidumap);
routeOverlay = overlay;
mBaidumap.setOnMarkerClickListener(overlay);
overlay.setData(result.getRouteLines().get(0)); //設定路線資料
overlay.addToMap(); //將所有overlay新增到地圖中
overlay.zoomToSpan();//縮放地圖
}
}
/**
* 得到步行的路線
*
* @param bikingRouteResult
*/
@Override
public void onGetBikingRouteResult(BikingRouteResult bikingRouteResult) {
if (bikingRouteResult == null || bikingRouteResult.error != SearchResult.ERRORNO.NO_ERROR) {
Toast.makeText(RoutePlanDemo.this, "抱歉,未找到結果", Toast.LENGTH_SHORT).show();
}
if (bikingRouteResult.error == SearchResult.ERRORNO.AMBIGUOUS_ROURE_ADDR) {
// 起終點或途經點地址有岐義,通過以下介面獲取建議查詢資訊
// result.getSuggestAddrInfo()
return;
}
if (bikingRouteResult.error == SearchResult.ERRORNO.NO_ERROR) {
nodeIndex = -1;
mBtnPre.setVisibility(View.VISIBLE);
mBtnNext.setVisibility(View.VISIBLE);
route = bikingRouteResult.getRouteLines().get(0);
BikingRouteOverlay overlay = new MyBikingRouteOverlay(mBaidumap);
routeOverlay = overlay;
mBaidumap.setOnMarkerClickListener(overlay);
overlay.setData(bikingRouteResult.getRouteLines().get(0));//設定路線資料
overlay.addToMap();//將所有overlay新增到地圖中
overlay.zoomToSpan(); //縮放地圖
}
}
/**
* 用於顯示一條駕車路線的overlay,自3.4.0版本起可例項化多個新增在地圖中顯示,當資料中包含路況資料時,則預設使用路況紋理分段繪製
*/
// 定製RouteOverly
private class MyDrivingRouteOverlay extends DrivingRouteOverlay {
public MyDrivingRouteOverlay(BaiduMap baiduMap) {
super(baiduMap);
}
@Override
public BitmapDescriptor getStartMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_st);
}
return null;
}
@Override
public BitmapDescriptor getTerminalMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_en);
}
return null;
}
}
/**
* 用於顯示步行路線的overlay,自3.4.0版本起可例項化多個新增在地圖中顯示
*/
private class MyWalkingRouteOverlay extends WalkingRouteOverlay {
public MyWalkingRouteOverlay(BaiduMap baiduMap) {
super(baiduMap);
}
@Override
public BitmapDescriptor getStartMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_st);
}
return null;
}
@Override
public BitmapDescriptor getTerminalMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_en);
}
return null;
}
}
/**
* 用於顯示換乘路線的Overlay,自3.4.0版本起可例項化多個新增在地圖中顯示
*/
private class MyTransitRouteOverlay extends TransitRouteOverlay {
public MyTransitRouteOverlay(BaiduMap baiduMap) {
super(baiduMap);
}
@Override
public BitmapDescriptor getStartMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_st);
}
return null;
}
@Override
public BitmapDescriptor getTerminalMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_en);
}
return null;
}
}
/**
* 用於顯示騎行路線的Overlay
*/
private class MyBikingRouteOverlay extends BikingRouteOverlay {
public MyBikingRouteOverlay(BaiduMap baiduMap) {
super(baiduMap);
}
@Override
public BitmapDescriptor getStartMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_st);
}
return null;
}
@Override
public BitmapDescriptor getTerminalMarker() {
if (useDefaultIcon) {
return BitmapDescriptorFactory.fromResource(R.mipmap.icon_en);
}
return null;
}
}
@Override
public void onMapClick(LatLng point) {
mBaidumap.hideInfoWindow();
}
@Override
public boolean onMapPoiClick(MapPoi poi) {
return false;
}
@Override
protected void onPause() {
mMapView.onPause();
super.onPause();
}
@Override
protected void onResume() {
mMapView.onResume();
super.onResume();
}
@Override
protected void onDestroy() {
mSearch.destroy();
mMapView.onDestroy();
super.onDestroy();
}
}
複製程式碼
我們來看下路線截圖:
由於用到了其他的類,這幾個類在百度地圖D:\迅雷下載\BaiduMap_AndroidSDK_All\BaiduMap_AndroidSDK_v3.7.1\BaiduMap_AndroidSDK_v3.7.1_Sample\BaiduMap_AndroidSDK_v3.7.1_Sample\BaiduMapsApiASDemo\app\src\main\java\com\baidu\mapapi\overlayutil這個目錄下: 這裡上傳github地址,方便參考:https://github.com/wuyinlei/BaiDuMap