Using state factory

CredentialsCheckStateWithFactory.kt

class CredentialsCheckState(context: LoginContext) : LoginState(context) {
    
    // State logic...
  
    /**
     * A part of [process] template to process UI gesture
     */
    override fun doProcess(gesture: LoginGesture) = when(gesture) {
        LoginGesture.Back -> onBack()
        else -> super.doProcess(gesture)
    }

    private fun onBack() {
        // Use provided factory to create a new state
        setMachineState(factory.passwordEntry(data))
    }
}