Fragment に Kotlin + Anko を使った Example

MainActivityFragment.kt

package org.grim3lt.android.kotlinexample22

import android.os.AsyncTask
import android.support.v4.app.Fragment
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import org.jetbrains.anko.*
import org.jetbrains.anko.support.v4.UI

class MainActivityFragment : Fragment() {
    override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?,
                              savedInstanceState: Bundle?): View? {
        return UI {
            relativeLayout {
                verticalLayout {
                    button("お越しの方はこちらのボタンでお呼びください。") {
                        textSize = 24f
                        onClick {
                            object : AsyncTask<Unit, Unit, String>() {
                                override protected fun doInBackground(vararg params: Unit?): String? {
                                    Thread.sleep(5000)
                                    return "Success"
                                }

                                override fun onPreExecute() {
                                    super.onPreExecute()
                                    isClickable = false
                                    isEnabled = false
                                    toast("ぴんぽーーーーーーん")
                                }

                                override fun onPostExecute(result: String?) {
                                    super.onPostExecute(result)
                                    isClickable = true
                                    isEnabled = true
                                    toast("ぴんぽーーーーーーん解除")
                                }
                            }.execute()
                        }
                    }
                }
            }
        }.view
    }
}