Update closed implementation

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/gplay/java/com/nextcloud/talk/utils/ClosedInterfaceImpl.java

@@ -23,6 +23,8 @@ package com.nextcloud.talk.utils;
 
 import android.content.Intent;
 
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.GoogleApiAvailability;
 import com.google.android.gms.security.ProviderInstaller;
 import com.google.android.gms.security.ProviderInstaller.ProviderInstallListener;
 import com.nextcloud.talk.application.NextcloudTalkApplication;
@@ -35,6 +37,13 @@ public class ClosedInterfaceImpl implements ClosedInterface, ProviderInstallList
                 this);
     }
 
+    @Override
+    public boolean isGooglePlayServicesAvailable() {
+        GoogleApiAvailability api = GoogleApiAvailability.getInstance();
+        int code = api.isGooglePlayServicesAvailable(NextcloudTalkApplication.getSharedApplication().getApplicationContext());
+        return code == ConnectionResult.SUCCESS;
+    }
+
     @Override
     public void onProviderInstalled() {