Sample : Host name may not be null

When I am trying to use your sample app and play radio i get ERROR

`Exception occured java.lang.IllegalArgumentException
java.lang.IllegalArgumentException: Host name may not be null
at org.apache.http.HttpHost.(HttpHost.java:88)
at org.apache.http.impl.client.AbstractHttpClient.determineTarget(AbstractHttpClient.java:529)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:519)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:497)
at com.deezer.sdk.player.impl.HipHop.accordion(Unknown Source)
at com.deezer.sdk.player.impl.HipHop.accordion(Unknown Source)
at com.deezer.sdk.player.impl.HipHop.accordion(Unknown Source)
at com.deezer.sdk.player.impl.HipHop$Blues.run(Unknown Source)
at java.lang.Thread.run(Thread.java:818)`

```
mDeezerConnect = new DeezerConnect(this, SAMPLE_APP_ID);
mRadioPlayer = new RadioPlayer(getApplication(), mDeezerConnect,
new WifiAndMobileNetworkStateChecker());
mRadioPlayer.playRadio(RadioType.RADIO, radio.getId()); // <-- in this plaсе error occured
```