App is crashing in Android 6.0

[vivekkiran]

E/AndroidRuntime: FATAL EXCEPTION: EventThread
Process: org.feathersjs.feathersdemo, PID: 7841
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
at android.os.Handler.(Handler.java:200)
at android.os.Handler.(Handler.java:114)
at android.app.Dialog.(Dialog.java:119)
at android.app.Dialog.(Dialog.java:168)
at android.support.v7.app.AppCompatDialog.(AppCompatDialog.java:43)
at android.support.v7.app.AlertDialog.(AlertDialog.java:95)
at android.support.v7.app.AlertDialog$Builder.create(AlertDialog.java:927)
at org.feathersjs.feathersdemo.LoginActivity$1.onError(LoginActivity.java:81)
at org.feathersjs.client.plugins.authentication.FeathersAuthentication$2.onError(FeathersAuthentication.java:174)
at org.feathersjs.client.plugins.providers.FeathersSocketClient$6.call(FeathersSocketClient.java:178)
at com.github.nkzawa.emitter.Emitter$OnceListener.call(Emitter.java:164)
at com.github.nkzawa.emitter.Emitter.emit(Emitter.java:117)
at com.github.nkzawa.socketio.client.Socket.onevent(Socket.java:316)
at com.github.nkzawa.socketio.client.Socket.onpacket(Socket.java:280)
at com.github.nkzawa.socketio.client.Socket.access$100(Socket.java:18)
at com.github.nkzawa.socketio.client.Socket$2$2.call(Socket.java:101)
at com.github.nkzawa.emitter.Emitter.emit(Emitter.java:117)
at com.github.nkzawa.socketio.client.Manager.ondecoded(Manager.java:377)
at com.github.nkzawa.socketio.client.Manager.access$1200(Manager.java:20)
at com.github.nkzawa.socketio.client.Manager$3.call(Manager.java:351)
at com.github.nkzawa.emitter.Emitter.emit(Emitter.java:117)
at com.github.nkzawa.socketio.parser.Parser$Decoder.add(Parser.java:156)
at com.github.nkzawa.socketio.client.Manager.ondata(Manager.java:369)
at com.github.nkzawa.socketio.client.Manager.access$1000(Manager.java:20)
at com.github.nkzawa.socketio.client.Manager$2.call(Manager.java:342)
at com.github.nkzawa.emitter.Emitter.emit(Emitter.java:117)
at com.github.nkzawa.engineio.client.Socket.onPacket(Socket.java:485)
at com.github.nkzawa.engineio.client.Socket.access$900(Socket.java:29)
at com.github.nkzawa.engineio.client.Socket$5.call(Socket.java:288)
at com.github.nkzawa.emitter.Emitter.emit(Emitter.java:117)
at com.github.nkzawa.engineio.client.Transport.onPacket(Transport.java:121)
at com.github.nkzawa.engineio.client.transports.Polling.access$700(Polling.java:15)
at com.github.nkzawa.engineio.client.transports.Polling$2.call(Polling.java:122)
at com.github.nkzawa.engineio.parser.Parser.decodePayload(Parser.java:251)
at com.github.nkzawa.engineio.client.transports.Polling._onData(Polling.java:132)
at com.github.nkzawa.engineio.client.transports.Polling.onData(Polling.java:104)
at com.github.nkzawa.engineio.client.transports.PollingXHR$5$1.run(PollingXHR.java:113)
at com.github.nkzawa.thread.EventThread$2.run(EventThread.java:75)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
at java.lang.Thread.run(Thread.java:818)

[ekryski]

@vivekkiran if you have an idea and want to make a PR that would be sweet! We're pretty heavy on ReactNative right now so we aren't using native clients all that much.