java - How to get location after updates? -

i followed tutorial use google maps api last known location or request location updates if there no such location.

here onconnected method

@override public void onconnected(bundle bundle) {     location location = locationservices.fusedlocationapi.getlastlocation(mgoogleapiclient);     if (location == null) {         locationservices.fusedlocationapi.requestlocationupdates(mgoogleapiclient, mlocationrequest, this);         log.v(tag, "old location" + location);      }     else {         handlenewlocation(location);         log.v(tag, "new location");     } } 

so first conditional supposed request new location. location stored? thought might execute handenewlocation (the code below)

private void handlenewlocation(location location) {     log.d(tag, location.tostring());     double currentlatitude = location.getlatitude();     double currentlongitude = location.getlongitude();     loc = "latitude: " + double.tostring(currentlatitude) + ", longitude: " + double.tostring(currentlongitude);     log.v(tag, loc); } 

i need location , store string, problem don't know

locationservices.fusedlocationapi.getlastlocation(mgoogleapiclient); 

is saving new location.

here manifest:

<?xml version="1.0" encoding="utf-8"?> 

<uses-permission android:name="android.permission.write_external_storage" /> <uses-permission android:name="android.permission.access_fine_location" /> <uses-permission android:name="android.permission.access_coarse_location" /> <uses-permission android:name="android.permission.internet" /> <uses-permission android:name="android.permission.access_network_state" /> <uses-permission android:name="com.google.android.providers.gsf.permission.read_gservices" />  <application     android:allowbackup="true"     android:icon="@mipmap/ic_launcher"     android:label="@string/app_name"     android:theme="@style/apptheme" >     <activity         android:name=".mainactivity"         android:label="@string/app_name" >     </activity>     <activity         android:name=".giveactivity"         android:label="@string/title_activity_give"         android:parentactivityname=".mainactivity" >         <meta-data             android:name="android.support.parent_activity"             android:value="ashkanbakhshai.com.greenlight.mainactivity" />     </activity>     <activity         android:name=".popactivity"         android:label="@string/title_activity_pop"         android:theme="@style/fullscreen" >     </activity>     <activity         android:name=".signatureactivity"         android:fillviewport="true"         android:label="@string/title_activity_signature"         android:screenorientation="landscape" >     </activity>     <activity         android:name=".owneractivity"         android:label="@string/title_activity_owner"         android:screenorientation="landscape"         android:theme="@style/theme.appcompat.dialog" >     </activity>     <activity         android:name=".takeactivity"         android:label="@string/title_activity_take"         android:screenorientation="portrait" >     </activity>     <activity         android:name=".signatureownactivity"         android:label="@string/title_activity_signature_own"         android:screenorientation="landscape" >     </activity>     <activity         android:name=".greenlighted"         android:label="@string/title_activity_green_lighted"         android:screenorientation="portrait" >     </activity>     <activity         android:name=".gameactivity"         android:label="@string/title_activity_game" >     </activity>     <activity         android:name=".gameownactivity"         android:label="@string/title_activity_game_own" >     </activity>     <activity         android:name=".redlighted"         android:label="@string/title_activity_red_lighted"         android:theme="@style/givefull" >     </activity>     <activity         android:name=".testactivity"         android:label="@string/title_activity_test" >         <intent-filter>             <action android:name="android.intent.action.main" />              <category android:name="android.intent.category.launcher" />         </intent-filter>     </activity>     <activity         android:name=".historyactivity"         android:label="@string/title_activity_history" >     </activity>     <activity         android:name=".detailhistoryactivity"         android:label="@string/title_activity_detail_history" >     </activity>     <activity         android:name=".registeractivity"         android:label="@string/title_activity_register" >     </activity>     <activity         android:name=".navigationactivity"         android:configchanges="orientation|keyboardhidden|screensize"         android:label="@string/title_activity_navigation" >     </activity>     <activity         android:name=".exitactivity"         android:label="@string/title_activity_exit"         android:theme="@style/theme.appcompat.dialog" >     </activity>     <activity         android:name=".exitownactivity"         android:label="@string/title_activity_exit_own"         android:theme="@style/theme.appcompat.dialog" >     </activity>     <activity         android:name=".hislistactivity"         android:label="@string/title_activity_his_list" >         <meta-data             android:name="android.support.parent_activity"             android:value="ashkanbakhshai.com.greenlight.historyactivity" />     </activity>     <activity         android:name=".settingsactivity"         android:label="@string/title_activity_settings" >     </activity>     <activity         android:name=".gamealtactivity"         android:label="@string/title_activity_game_alt" >     </activity>     <activity         android:name=".gameownaltactivity"         android:label="@string/title_activity_game_own_alt" >     </activity>      <meta-data         android:name="com.google.android.gms.version"         android:value="@integer/google_play_services_version" />     <meta-data         android:name="com.google.android.geo.aizasybhbrcicn2yqv883z8bwe3mm5-pnhugmli"         android:value="aizasybhbrcicn2yqv883z8bwe3mm5-pnhugmli" />     <meta-data         android:name="com.google.android.maps.v2.api_key"         android:value="@string/google_maps_key" />  </application> 

the call request location updates that, requests location updates.

after make call, new locations come in onlocationchanged()

if want have current location saved, can member variables.

note there no need log null location doing now, remove log entry in case location null:

    location location = locationservices.fusedlocationapi.getlastlocation(mgoogleapiclient);     if (location == null) {         locationservices.fusedlocationapi.requestlocationupdates(mgoogleapiclient, mlocationrequest, this);     }     else {         handlenewlocation(location);         log.v(tag, "new location");     } 

then update member variables in handlenewlocation():

private void handlenewlocation(location location) {     log.d(tag, location.tostring());     currentlatitude = location.getlatitude(); //update member variable     currentlongitude = location.getlongitude(); //update member variable     loc = "latitude: " + double.tostring(currentlatitude) + ", longitude: " + double.tostring(currentlongitude);     log.v(tag, loc); } 

then, call handlenewlocation() in onlocationchanged() callback:

@override public void onlocationchanged(location location) {      //location changed, update current location     handlenewlocation(location);     log.v(tag, "new location");  } 

full class:

public class locationactivity extends activity implements         googleapiclient.connectioncallbacks, googleapiclient.onconnectionfailedlistener, locationlistener {      locationrequest mlocationrequest;     googleapiclient mgoogleapiclient;     double currentlatitude; //added member variable     double currentlongitude; //added member variable     string tag = "myapp";     string loc;      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);          buildgoogleapiclient();         mgoogleapiclient.connect();     }      @override     protected void onpause(){         super.onpause();         if (mgoogleapiclient != null) {             locationservices.fusedlocationapi.removelocationupdates(mgoogleapiclient, this);         }     }      protected synchronized void buildgoogleapiclient() {         toast.maketext(this,"buildgoogleapiclient",toast.length_short).show();         mgoogleapiclient = new googleapiclient.builder(this)                 .addconnectioncallbacks(this)                 .addonconnectionfailedlistener(this)                 .addapi(locationservices.api)                 .build();     }      @override     public void onconnected(bundle bundle) {          mlocationrequest = new locationrequest();         mlocationrequest.setinterval(10);         mlocationrequest.setfastestinterval(10);         mlocationrequest.setpriority(locationrequest.priority_balanced_power_accuracy);         //mlocationrequest.setsmallestdisplacement(0.1f);          location location = locationservices.fusedlocationapi.getlastlocation(mgoogleapiclient);         if (location == null) {             locationservices.fusedlocationapi.requestlocationupdates(mgoogleapiclient, mlocationrequest, this);         }         else {             handlenewlocation(location);             log.v(tag, "new location");         }      }      private void handlenewlocation(location location) {         log.d(tag, location.tostring());         currentlatitude = location.getlatitude(); //update member variable         currentlongitude = location.getlongitude(); //update member variable         loc = "latitude: " + double.tostring(currentlatitude) + ", longitude: " + double.tostring(currentlongitude);         log.v(tag, loc);     }      @override     public void onconnectionsuspended(int i) {         toast.maketext(this,"onconnectionsuspended",toast.length_short).show();     }      @override     public void onconnectionfailed(connectionresult connectionresult) {         toast.maketext(this,"onconnectionfailed",toast.length_short).show();     }      @override     public void onlocationchanged(location location) {          //location changed, update current location         handlenewlocation(location);         log.v(tag, "new location");      } }