Fixed network type resolution for iOS

ios/src/cz/nic/tablexia/IOSLauncher.java

@@ -5,6 +5,8 @@ import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.backends.iosrobovm.IOSApplication;
 import com.badlogic.gdx.backends.iosrobovm.IOSApplicationConfiguration;
 
+import org.robovm.apple.coreservices.CFHost;
+import org.robovm.apple.coreservices.CFHostInfoType;
 import org.robovm.apple.foundation.NSException;
 import org.robovm.objc.block.VoidBlock1;
 import org.robovm.apple.foundation.NSAutoreleasePool;
@@ -106,16 +108,13 @@ public class IOSLauncher extends IOSApplication.Delegate {
 
         @Override
         public ConnectionType getConnectionType() {
-            InetSocketAddress socketAddress = new InetSocketAddress(CONNECTION_CHECK_HOST, CONNECTION_CHECK_PORT);
-            // RoboVM tries to retrive IP address using network connection. If we don't have it InetSocketAddress.getAddress() returns null
-            // in that case SCNetworkReachability.create(socketAddress) throws IllegalArgumentException
-            if (socketAddress.getAddress() == null) {
-                return ConnectionType.Unknown;
-            }
-            SCNetworkReachabilityFlags flags = SCNetworkReachability.create(socketAddress).getFlags();
+            SCNetworkReachabilityFlags flags = new SCNetworkReachability(CONNECTION_CHECK_HOST).getFlags();
 
-            if(flags.compareTo(SCNetworkReachabilityFlags.IsWWAN) == 1) return ConnectionType.Mobile;
-            else return ConnectionType.Wifi;
+            if(flags.compareTo(SCNetworkReachabilityFlags.IsWWAN) == 1) {
+                return ConnectionType.Mobile;
+            } else {
+                return ConnectionType.Wifi;
+            }
         }
     }
 }