vodamiro

...

sealed class Section
object Home : Section()
object Settings : Section()

...

private fun changeSection(section: Section) {
    if (currentSection == section) {

vodamiro

package com.app.ext

import android.graphics.Color
import android.os.Build
import android.support.v7.app.AppCompatActivity
import android.view.View

/***
 * 
 * Extension for `AppCompatActivity` to setup fullscreen window mode with specific status and 

vodamiro

interface MyInterface {
    fun methodA()
    fun methodB()
}

class MyInterfaceImp: MyInterface {
    override fun methodA() {
        println("A")
    }
    override fun methodB() {

vodamiro

package cz.vodamiro.example

data class SafeValue<out T>(val value: T?, val failed: Boolean = false)

vodamiro

class InitOrderDemo(name: String) {
    val firstProperty = "First property: $name".also(::println)

    init {
        println("First initializer block that prints ${name}")
    }

    val secondProperty = "Second property: ${name.length}".also(::println)

    init {

vodamiro

// Example of data class (saved more than 10 lines in comparison to Java)
data class User(val name: String, val surname: String, val age: Int)

// Example of custom getters and setters on a property
class MrUser {
    var name: String = ""
        get() {
            return "Mr. $field" // Get name with "Mr." prefix
        }
        set(newValue) {

vodamiro

sealed class UIState
object LoadingState : UIState() // Data is being loaded
class DataState(val data: Data) : UIState() // Data loaded successfully
class ErrorState(val error: Throwable) : UIState() // In case of failure

vodamiro

fun handleStateChange(newState: UIState) {
    when (newState) {
        is LoadingState -> println("Loading ...")
        is DataState -> println("Got data: ${newState.data}")
        is ErrorState -> println("Error: ${newState.error.message}")
    }
}

vodamiro

fun View.makeInvisible() {
    this.visibility = View.INVISIBLE
}

val button: Button = //...
button.makeInvisible()

vodamiro

fun answerToEverything() = 42