No idea -

java.lang.NoSuchMethodError: No static method launch$default(Lkotlin/coroutines/experimental/CoroutineContext;ZLkotlin/jvm/functions/Function2;ILjava/lang/Object;)Lkotlinx/coroutines/experimental/Job; in class Lkotlinx/coroutines/experimental/BuildersKt; or its super classes (declaration of 'kotlinx.coroutines.experimental.BuildersKt' appears in /data/app/---/base.apk)
                                                                             at org.jetbrains.anko.sdk25.coroutines.Sdk25CoroutinesListenersWithCoroutinesKt$onClick$1.onClick(ListenersWithCoroutines.kt:284)

thymecypher: Looks like you missing a dependency on kotlinx.coroutines in your runtime classpath or there is some version mismatch