verticalLayout {
    val name = editText { hint = "What's on your mind?" }
    button {
        text = "Post"
        setOnClickListener { toast(name.text) }
    }
}

// create new mutable sparse array
val array = sparseArrayOf(Pair(12, "Little"), Pair(34, "Piggy"))

// obtain non-null element with get operator
val element = array[12]

// iterate it
array.forEachIndexed { i, element ->
    // do some shit
}

// show a confirmation alert
alert("Are you sure?", "You have to be completely sure.", NoButton, YesButton {
    // do some shit
})

// choice alert with custom buttons
choiceAlert("Pick one", items, { dialog, index ->
    // index is selected
}, NeutralButton("Reset") {
    // neutral button is clicked
})

// progress dialog
indeterminateProgressDialog("Loading", "Please wait...")

// obtain array in Activity, Fragment, or support Fragment.
val array = getStringArray(R.array.some_array)

// checks device configurations
val myScreenSize = screenSize
val mAtLeastLarge = isScreenSizeAtLeast(SCREENLAYOUT_SIZE_LARGE)
val myKeyboard = hasKeyboard

// dp and sp conversion
val margin = 16.dp
val textSize = 18.sp

// create new spannable
val spannable = "I'm a little piggy".toSpannable()

// add some spans to it
spannable.span(Regex("I'm"), ForegroundColorSpan(Color.RED))
spannable.spanRange(5, 6, RelativeSizeSpan(18.sp))
spannable.spanAll(BackgroundColorSpan(Color.YELLOW))

// TextUtils.java
val isEmpty = spannable.isEmpty

// display a toast
toast("I'm a little piggy")

// or snackbar
snackbar(R.string.are_you_sure, android.R.string.yes, { view ->
    // do some shit
})

// one-line fragment editor
fragmentManager.replace(R.id.container, myFragment)

// logging with component name as tag
debug("Little piggy just died")

// I hate Uri
val path = uri.getActualPath(context)