Google Direction Api

谷歌方向API？️

图书馆详情：

这是一个 Android 库，它为您提供两点（位置）之间的方向路径，例如设备位置到目的地位置。要使用此库，您需要在 Goolge Cloud Console 上创建一个项目，并启用 Map SDK 和 Google Direction Api。全部设置完成后，只需按照以下简单步骤即可在您的项目中实现代码。

演示

	点击观看视频演示 或者 YouTube 实施教程
图像	视频演示

实施过程：

摇篮

在build.gradle （项目级）文件中添加 jitpack 存储库：

 allprojects {
      repositories {
	.. .
	maven { url ' https://jitpack.io ' }
	}
}

或者

在你的settings.gradle中

 dependencyResolutionManagement {
    repositoriesMode . set( RepositoriesMode . FAIL_ON_PROJECT_REPOS )
    repositories {
        .. .
        maven { url " https://jitpack.io " }
    }
}

添加依赖项：

在build.gradle （模块级）文件中添加依赖项：

dependencies {
	  implementation ' com.github.dangiashish:Google-Direction-Api:1.6 '
}

在您的地图活动中

 public void getRoutePoints ( LatLng start , LatLng end ) {
       if ( start == null || end == null ) {
           Toast . makeText ( this , "Unable to get location" , Toast . LENGTH_LONG ). show ();
           Log . e ( "TAG" , " latlngs are null" );
       } else {
           RouteDrawing routeDrawing = new RouteDrawing . Builder ()
                . context ( MainActivity . this )  // pass your activity or fragment's context
                . travelMode ( AbstractRouting . TravelMode . DRIVING )
                . withListener ( this ). alternativeRoutes ( true )
                . waypoints ( userLoc , destLoc )
                . build ();
        routeDrawing . execute ();
       }

}

注意：请针对您的特定 Android 软件包名称限制 GCP 上的 api 密钥

在您的Activity/Fragment中实现RouteListener接口类以覆盖操作

路线失败

 @ Override
public void onRouteFailure ( ErrorHandling e ) {
    Log . w ( "TAG" , "onRoutingFailure: " + e );
}

路线开始时

 @ Override
public void onRouteStart () {
    Log . d ( "TAG" , "yes started" );
}
    

成功之路

 @ Override
public void onRouteSuccess ( ArrayList < RouteInfoModel > routeInfoModelArrayList , int routeIndexing ) {
     if ( polylines != null ) {
         polylines . clear ();
     }
     PolylineOptions polylineOptions = new PolylineOptions ();
     ArrayList < Polyline > polylines = new ArrayList <>();
     for ( int i = 0 ; i < routeInfoModelArrayList . size (); i ++) {
         if ( i == routeIndexing ) {
             Log . e ( "TAG" , "onRoutingSuccess: routeIndexing" + routeIndexing );
             polylineOptions . color ( Color . BLACK );
             polylineOptions . width ( 12 );
             polylineOptions . addAll ( routeInfoModelArrayList . get ( routeIndexing ). getPoints ());
             polylineOptions . startCap ( new RoundCap ());
             polylineOptions . endCap ( new RoundCap ());
             Polyline polyline = map . addPolyline ( polylineOptions );
             polylines . add ( polyline );
	  }
     }

}

航线已取消

 @ Override
public void onRouteCancelled () {
    Log . d ( "TAG" , "route canceled" )
    // restart your route drawing
}

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Copyright (c) 2023 Ashish Dangi

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