Dialogs2.kt

@file:Suppress("NOTHING_TO_INLINE")

package org.jetbrains.anko

import android.app.Fragment
import android.view.View
/*
 * This class must be named Dialogs2 to not override Anko.
 */

/* Snackbars */

inline fun AnkoContext<*>.snackbar(resId: Int,
                                   noinline init: (SnackbarBuilder.() -> Unit)? = null) = view.snackbar(resId, init)

inline fun Fragment.snackbar(resId: Int,
                             noinline init: (SnackbarBuilder.() -> Unit)? = null) = view.snackbar(resId, init)

fun View.snackbar(resId: Int, init: (SnackbarBuilder.() -> Unit)?) =
        SnackbarBuilder(this, resId).apply { init?.invoke(this) }

inline fun AnkoContext<*>.snackbar(text: CharSequence,
                                   noinline init: (SnackbarBuilder.() -> Unit)? = null) = view.snackbar(text, init)

inline fun Fragment.snackbar(text: CharSequence,
                             noinline init: (SnackbarBuilder.() -> Unit)? = null) = view.snackbar(text, init)

fun View.snackbar(text: CharSequence, init: (SnackbarBuilder.() -> Unit)?) =
        SnackbarBuilder(this, text).apply { init?.invoke(this) }

SignInActivity.kt

package com.supaham.shyer.activities

import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import org.jetbrains.anko.*

class SignInActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        SignInActivityUI().setContentView(this)
    }
}

class SignInActivityUI : AnkoComponent<SignInActivity> {
    override fun createView(ui: AnkoContext<SignInActivity>) = with(ui) {
        coordinatorLayout {
            verticalLayout {
                lparams(width = matchParent, height = matchParent)
                button {
                    onClick {
                        snackbar("t".repeat(100)) {
                            action("Close") {
                                toast("CLOSED!")
                            }
                            actionTextColor(0xFFCC0000.toInt())
                        }.show()
                    }
                }
            }
        }
    }
}

SnackbarBuilder.kt

package org.jetbrains.anko

import android.content.res.ColorStateList
import android.support.design.widget.Snackbar
import android.view.View

class SnackbarBuilder {
    val view: View
    val builder: Snackbar

    constructor(view: View, text: CharSequence) {
        this.view = view
        this.builder = Snackbar.make(view, text, Snackbar.LENGTH_SHORT)
    }

    constructor(view: View, resId: Int) {
        this.view = view
        this.builder = Snackbar.make(view, resId, Snackbar.LENGTH_SHORT)
    }

    fun action(resId: Int, f: (v: android.view.View?) -> Unit) {
        builder.setAction(resId, f)
    }

    fun action(text: CharSequence, f: (v: android.view.View?) -> Unit) {
        builder.setAction(text, f)
    }

    fun actionTextColor(colors: ColorStateList) {
        builder.setActionTextColor(colors)
    }
    fun actionTextColor(color: Int) {
        builder.setActionTextColor(color)
    }

    fun text(title: CharSequence) {
        builder.setText(title)
    }

    fun text(resId: Int) {
        builder.setText(resId)
    }

    fun duration(duration: Int) {
        builder.duration = duration
    }

    fun show(){
        builder.show()
    }

    fun dismiss(){
        builder.dismiss()
    }

    // TODO kotlinify this usage
    fun callback(f: Snackbar.Callback) {
        builder.setCallback(f)
    }
}