I've tried to start this demo, but cannot login (some SSL problem).
After that i've started the chat server example in my local machine, and i could login, but when i try send a message the app crashes with NOMTE

android.os.NetworkOnMainThreadException at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1303) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111) at java.net.SocketOutputStream.write(SocketOutputStream.java:157) at okio.Okio$1.write(Okio.java:78) at okio.AsyncTimeout$1.write(AsyncTimeout.java:180) at okio.RealBufferedSink.emit(RealBufferedSink.java:178) at okhttp3.internal.ws.WebSocketWriter.writeMessageFrameSynchronized(WebSocketWriter.java:211) at okhttp3.internal.ws.WebSocketWriter.access$600(WebSocketWriter.java:47) at okhttp3.internal.ws.WebSocketWriter$FrameSink.close(WebSocketWriter.java:271) at okio.RealBufferedSink.close(RealBufferedSink.java:236) at okhttp3.internal.ws.RealWebSocket.sendMessage(RealWebSocket.java:131) at org.phoenixframework.channels.Socket.push(Socket.java:290) at org.phoenixframework.channels.Push.send(Push.java:165) at org.phoenixframework.channels.Channel.push(Channel.java:201) at org.phoenixframework.channels.Channel.push(Channel.java:209) at com.github.eoinsha.javaphoenixchannels.sample.chat.ChatActivity.sendMessage(ChatActivity.java:157) at com.github.eoinsha.javaphoenixchannels.sample.chat.ChatActivity.access$900(ChatActivity.java:35) at com.github.eoinsha.javaphoenixchannels.sample.chat.ChatActivity$3$4.onClick(ChatActivity.java:118) at android.view.View.performClick(View.java:5637) at android.view.View$PerformClick.run(View.java:22429) at android.os.Handler.handleCallback(Handler.java:751) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6119) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)