Android Wear get GPS Coordinates -


i'm unable location on android wear emulator. i've tried many tutorials non worked , don't understand whats wrong. below sample source code pretty similar original android demo google. onlocationchanged never gets executed , when try retrieve last location alway got null

import android.app.activity; import android.location.location; import android.location.locationlistener; import android.os.bundle; import android.support.wearable.view.watchviewstub; import android.view.view; import android.widget.textview;  import com.google.android.gms.common.connectionresult; import com.google.android.gms.common.api.googleapiclient; import com.google.android.gms.common.api.resultcallback; import com.google.android.gms.common.api.status; import com.google.android.gms.location.locationrequest; import com.google.android.gms.location.locationservices; import com.google.android.gms.wearable.wearable;  public class mainactivity  extends activity implements    googleapiclient.connectioncallbacks,     googleapiclient.onconnectionfailedlistener, com.google.android.gms.location.locationlistener {   private textview mtextview; private static final long update_interval_ms = 2000; private static final long fastest_interval_ms = 1000;  private googleapiclient mgoogleapiclient;   @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);     final watchviewstub stub = (watchviewstub) findviewbyid(r.id.watch_view_stub);     stub.setonlayoutinflatedlistener(new watchviewstub.onlayoutinflatedlistener() {         @override         public void onlayoutinflated(watchviewstub stub) {             mtextview = (textview) stub.findviewbyid(r.id.text);         }     });      mgoogleapiclient = new googleapiclient.builder(this)               .addapi(locationservices.api)             .addapi(wearable.api)             .addconnectioncallbacks(this)             .addonconnectionfailedlistener(this)             .build();     system.out.println("connect playservices...");     mgoogleapiclient.connect();  }   @override public void onconnected(bundle bundle) {     system.out.println("onconnected");     locationrequest locationrequest = locationrequest.create()             .setpriority(locationrequest.priority_high_accuracy)             .setinterval(update_interval_ms)             .setfastestinterval(fastest_interval_ms);      locationservices.fusedlocationapi             .requestlocationupdates(mgoogleapiclient, locationrequest, this)             .setresultcallback(new resultcallback<status>() {                  @override                 public void onresult(status status) {                     if (status.getstatus().issuccess()) {                          system.out.println("successfully requested location updates"+status.getstatusmessage());                      } else {                         system.out.println(                                 "failed in requesting location updates, "                                         + "status code: "                                         + status.getstatuscode() + ", message: " + status                                         .getstatusmessage());                     }                 }             }); }  public void getlocation(view view) {     location loc=locationservices.fusedlocationapi.getlastlocation(mgoogleapiclient);     if(loc!=null) {         system.out.println("location: " + loc.getaltitude() + "\n" + loc.getprovider() + "\n" + loc.getlongitude());     }     else     {         system.out.println("location null");     } } @override public void onconnectionsuspended(int i) {     system.out.println("onconnectionsuspended(): connection location client suspended");     locationservices.fusedlocationapi.removelocationupdates(mgoogleapiclient, this); }  @override public void onconnectionfailed(connectionresult connectionresult) {     system.out.println("onconnectionfailed(): connection location client failed"); }  @override public void onlocationchanged (location location) {     system.out.println("onlocationchanged: new location"+location.getaltitude()); }   @override protected void onstop() {     super.onstop();     if (mgoogleapiclient.isconnected()) {                 locationservices.fusedlocationapi.removelocationupdates(mgoogleapiclient, this);     }     mgoogleapiclient.disconnect();     system.out.println("onstop"); }  @override protected void onresume() {     super.onresume();     mgoogleapiclient.connect();     system.out.println("onresume"); }  @override protected void onpause() {     super.onpause();     if (mgoogleapiclient.isconnected()) {         locationservices.fusedlocationapi                 .removelocationupdates(mgoogleapiclient, this);     }     mgoogleapiclient.disconnect();     system.out.println("onpause");  } }


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