A modern programming language that makes developers happier.

kotlinlang

```FATAL EXCEPTION: main
                                                                    Process: io.nelsonkam.login, PID: 21024
                                                                    java.lang.IllegalArgumentException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkParameterIsNotNull, parameter savedInstanceState
                                                                        at io.nelsonkam.login.LoginFragment.onCreateView(LoginFragment.kt)```