Xamarin Snippets 4--xamarin.android Baidu map bindings

download Baidu map First Http://lbsyun.baidu.com/sdk/download?selected=mapsdk_basicmap,mapsdk_searchfunction,mapsdk_ Lbscloudsearch,mapsdk_calculationtool

• Baidu Map Binding library file

Create a new Bindingslibrary project and add the newly downloaded Baidulbs_android.jar to the project's jars folder, changing the properties of the Baidulbs_android.jar " Build Action " property is Embeddedjar

Build some projects, if you encounter such an error:

versioninfo ": member names cannot be the same as their enclosing types

Open the project in the Transforms of the Metadate.xml , in <metadata> Add the following code to the node

<attr path= "/api/package[@name = ' Com.baidu.mapapi ']/class[@name = ' versioninfo ']/field[@name = ' version_info ']" Name= "Name" >VersionInfos</attr>

because in C # cannot define class members with the same class name (except constructors)

• Create a Andorid Project

in your project, create a Libs folder, put the downloaded Baidu map package in the . so file is added and set to the property on the androidnativelibrary

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Add permissions and settings Baidu maps access App Key

<application android:label= "Baidumapdemo"  android:icon= "@drawable/icon" >                  <meta-data android : Name= "Com.baidu.lbsapi.API_KEY"  android:value= "This need to register Baidu open platform to apply for Android KEY"  />         </application>        < Uses-permission android:name= "Android.permission.ACCESS_MOCK_LOCATION"  />         <uses-permission android:name= "Android.permission.ACCESS_NETWORK_STATE"  / >        <uses-permission android:name= " Android.permission.ACCESS_WIFI_STATE " />        < Uses-permission android:name= "Android.permission.INTERNET"  />         <!--  This permission is used to get access to WiFi and WiFi information is used toLine network Location-->        <uses-permission android:name= " Android.permission.CHANGE_WIFI_STATE "></uses-permission>         <!--  To read the current status of the phone-->        <uses-permission  Android:name= "Android.permission.READ_PHONE_STATE" ></uses-permission>         <uses-permission android:name= "Android.permission.ACCESS_FINE_LOCATION"  />         <uses-permission android:name= " Android.permission.ACCESS_COARSE_LOCATION  /> Add a map control to a layout file (Note case:)     < Com.baidu.mapapi.map.mapview        android:id= "@+id/bmapView"          android:layout_width= "Fill_parent"          android:layout_height= "Fill_parent"   &nbSp;     android:clickable= "true"  /> 

C # The code is as follows

Using android.app;using android.content;using android.runtime;using android.widget;using  Android.OS;using Com.Baidu.Mapapi.Map;using Com.Baidu.Mapapi;using Android.Locations; Using com.baidu.mapapi.model; namespace baidumapdemo{    [activity (Label  =  "Baidumapdemo", mainlauncher = true, icon =  "@drawable/icon")]     public class mainactivity : activity, ilocationlistener// Positioning interface for Android     {         LocationManager  locmgr;        mapview mmapview ;         BaiduMap mBaiduMap ;          Protected override void oncreate (Bundle bundle)          {            base. OnCreate (bundle);             //map, note the location, Before the Setcontentview              Sdkinitializer.initialize (Application.context);             setcontentview (Resource.Layout.Main);             mMapView = FindViewById<MapView> (Resource.Id.bmapView);               mBaiduMap = mMapView.Map;             //General Map              mBaiduMap.MapType = BaiduMap.MapTypeNormal;                   }      &nbSp;  protected override void onresume ()          {            base. Onresume ();             locmgr =  Getsystemservice (Context.locationservice)  as LocationManager;               criteria locationcriteria = new criteria () ;             locationcriteria.accuracy =  Accuracy.Coarse;             locationcriteria.powerrequirement = power.medium;              locationcriteria.altituderequired = false;//Altitude              locationcriteria.bearingrequired = false;//Azimuth/Direction              locationcriteria.speedrequired = false;//Speed              locationcriteria.costallowed = true;//cost               var locationprovider = locmgr.getbestprovider ( Locationcriteria, true);                      if  (locationprovider != null)              {                 locmgr.requestlocationupdates (Locationprovider, 2000, 1,  this);            }             else            {                 toast.maketext (this,  "the  network provider does not exist or is not enabled! ",  Toastlength.long). Show ();            }          }        protected override void  onstart ()         {             base. OnStart ();        }         Protected override void onstop ()         {             base. OnStop ();   &nbSp;     }        protected override  void onpause ()         {             base. OnPause ();             locmgr.removeupdates (this);         }         ///  <summary>        ///  implementation of Ilocationlistener methods, position change         /// </summary>         /// <param name= "Location" ></param>         public void onlocationchanged (location location)          {            var point&NBSP;=&NBSP;NEW&NBSP;LATLNG (location. Latitude, location. Longitude)             //make the map move to the current location              MapStatus mMapStatus = new  Mapstatus.builder ()                  . Target (point)                 . Zoom (&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP); Build ();              //defines the Mapstatusupdate object, To describe the changes that will occur in the map state                 Mapstatusupdate mmapstatusupdate = mapstatusupdatefactory.newmapstatus (MMapStatus);             //Change Map Status &NBsp;             mbaidumap.setmapstatus ( Mmapstatusupdate);               // Create current position marker icon                bitmapdescriptor bitmap = bitmapdescriptorfactory                 . Fromresource (Resource.Drawable.icon_gcoding);             //build markeroption for adding marker            on the map    overlayoptions option = new markeroptions ()                  . Invokeposition (point)                  . Invokeicon (bitmap);             //add marker to the map and display                mbaidumap.addoverlay (option);          }        /// < summary>        ///  implementation of Ilocationlistener methods          /// </summary>        ///  <param name= "Provider" ></param>        public  void onproviderdisabled (String provider)         {                      }        /// <summary>         ///  Implementation IlocaMethods         /// </summary>    in Tionlistener      /// <param name= "Provider" ></param>         public void onproviderenabled (String provider)          {                   }        /// <summary>         ///  Implementing Ilocationlistener Methods          /// </summary>        /// <param  Name= "Provider" ></param>        /// <param name= "Status" ></param>        /// <param name= "extras "></param>         public void onstatuschanged (string provider, [ Generatedenum] availability status, bundle extras)          {                     }    }}

This article is from the "Gui Suewei" blog, make sure to keep this source http://axzxs.blog.51cto.com/730810/1707541

Xamarin Snippets 4--xamarin.android Baidu map bindings