Laimiux

fun resetButton(state: State, context: FormulaContext<State>): ButtonRenderModel {
    return ButtonRenderModel(
        text = "Reset",
        onSelected = context.callback {
            transition(state.copy(timePassedInMillis = 0, isRunning = false))
        }
    )
}

Laimiux

data class State(  
  val timePassedInMillis: Long,
  val isRunning: Boolean
)

Laimiux

class StopwatchRenderView(root: ViewGroup): RenderView<StopwatchRenderModel> {
    private val timePassed: TextView = root.findViewById(R.id.time_passed_text_view)
    private val startStopButton: Button = root.findViewById(R.id.start_stop_button)
    private val resetButton: Button = root.findViewById(R.id.reset_button)

    override val renderer: Renderer<StopwatchRenderModel> = Renderer.create { model ->
        timePassed.text = model.timePassed

        startStopButton.text = model.startStopButton.text
        startStopButton.setOnClickListener {

Laimiux

class StopwatchFormula : Formula<Unit, StopwatchFormula.State, StopwatchRenderModel> {
    
    ...

    override fun evaluate(
        input: Unit,
        state: State,
        context: FormulaContext<State>
    ): Evaluation<StopwatchRenderModel> {
        return Evaluation(

Laimiux

class StopwatchFormula : Formula<Unit, StopwatchState, StopwatchRenderModel> {

    override fun initialState(input: Unit) = StopwatchState(
        timePassedInMillis = 0,
        isRunning = false
    )

    override fun evaluate(
        input: Unit,
        state: StopwatchState,

Laimiux

data class StopwatchState(
  val timePassedInMillis: Long,
  val isRunning: Boolean
)

Laimiux

data class StopwatchRenderModel(
    val timePassed: String,
    val startStopButton: ButtonRenderModel,
    val resetButton: ButtonRenderModel
)

data class ButtonRenderModel(
    val text: String,
    val onSelected: () -> Unit
)

Laimiux

package com.laimiux.dayahead.ui.util;

import android.content.Context;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.util.Log;
import android.util.SparseArray;
import android.view.LayoutInflater;
import android.view.View;

Laimiux

fun reduce(event: TextChangedEvent): Reducer<CommentFormData> {
  // implementation
}

fun reduce(event: Lce<Comment>): Reducer<CommentFormData> {
  // implementation  
}

 fun formState(

Laimiux

fun reduce(event: TextChangedEvent): (CommentFormData) -> CommentFormData {
  // implementation
  return { state -> 
    // Let's check comment validity
    val isValid = event.enteredText.length > 5
    // Update the current state with the changes
    return state.copy(comment = event.enteredText, isCommentValid = isValid)
  }
}