Get latitude and longitude on the android side of the gold map

<?XML version= "1.0" encoding= "Utf-8"?><Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:id= "@+id/activity_select_point"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:paddingbottom= "@dimen/activity_vertical_margin"Android:paddingleft= "@dimen/activity_horizontal_margin"Android:paddingright= "@dimen/activity_horizontal_margin"Android:paddingtop= "@dimen/activity_vertical_margin"Tools:context= "Com.example.euphemiaxiao.feedback.selectPoint">    <com. Amap.api.maps.MapView Android:id= "@+id/map"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"Android:layout_above= "@+id/doneselect">    </Com.amap.api.maps.MapView>    <ButtonAndroid:text= "Confirm selected Point"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:id= "@+id/doneselect"Android:background= "@android: Color/holo_blue_light"android:textsize= "18SP"Android:layout_centerhorizontal= "true"Android:layout_alignparentbottom= "true"/></Relativelayout>

 PackageCom.example.euphemiaxiao.feedback;Importandroid.content.Intent;ImportAndroid.os.Bundle;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.view.View;ImportAndroid.widget.Button;ImportCom.amap.api.maps.AMap;Importcom.amap.api.maps.CameraUpdateFactory;ImportCom.amap.api.maps.MapView;Importcom.amap.api.maps.model.BitmapDescriptorFactory;ImportCom.amap.api.maps.model.LatLng;Importcom.amap.api.maps.model.MarkerOptions; Public classSelectpointextendsAppcompatactivityImplementsamap.onmapclicklistener{PrivateButton Doneselect; PrivateMapview Mmapview =NULL; PrivateAMap AMap =NULL; Doublelatitude; Doublelongtitude; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_select_point); //Get map Control ReferenceMmapview =(Mapview) Findviewbyid (R.ID.MAP); //Execute Mmapview.oncreate (savedinstancestate) When activity executes onCreate, create mapmmapview.oncreate (savedinstancestate);        Init (); Doneselect=(Button) Findviewbyid (r.id.doneselect); Doneselect.setonclicklistener (NewView.onclicklistener () {@Override Public voidOnClick (View v) {Intent Intent=NewIntent (Selectpoint. This, Feedback.class); Intent.putextra ("Latitude", latitude); Intent.putextra ("Longtitude", longtitude);            StartActivity (Intent);    }        }); }    Private voidinit () {if(AMap = =NULL) {AMap=Mmapview.getmap ();        Setupmap (); }    }    Private voidSetupmap () {Amap.showindoormap (true); LATLNG latlng=NewLATLNG (39.92448, 116.518295); Amap.movecamera (CAMERAUPDATEFACTORY.CHANGELATLNG (LATLNG));//Set Center pointAmap.movecamera (Cameraupdatefactory.zoomto (18));//set the map to zoom in and out smallAmap.setonmapclicklistener ( This); } @Overrideprotected voidOnDestroy () {Super. OnDestroy (); //Execute Mmapview.ondestroy () when activity executes OnDestroy, destroy mapMmapview.ondestroy (); } @Overrideprotected voidOnresume () {Super. Onresume (); //perform mmapview.onresume () when activity executes Onresume, redraw load mapMmapview.onresume (); } @Overrideprotected voidOnPause () {Super. OnPause (); //Execute Mmapview.onpause () when activity executes onPause, pausing map drawingMmapview.onpause (); } @Overrideprotected voidonsaveinstancestate (Bundle outstate) {Super. Onsaveinstancestate (outstate); //mmapview.onsaveinstancestate (outstate) is executed when activity executes onsaveinstancestate, saving the current state of the mapmmapview.onsaveinstancestate (outstate); } @Override Public voidOnmapclick (latlng latlng) {amap.clear (); Latitude=Latlng.latitude; Longtitude=Latlng.longitude; Markeroptions markeroptions=Newmarkeroptions ();        Markeroptions.icon (Bitmapdescriptorfactory.fromresource (R.drawable.placeholder));        Markeroptions.position (LATLNG);        Amap.addmarker (markeroptions);    Amap.movecamera (CAMERAUPDATEFACTORY.CHANGELATLNG (LATLNG)); }}

Get latitude and longitude on the android side of the gold map