Kotlin Coroutine Android examples

dialog.kt

suspend fun showConfirmationDialog() = suspendCancellableCoroutine<Boolean> { cont ->
    val dialog = AlertDialog.Builder(this)
            .setMessage("Are you sure?")
            .setPositiveButton("Yes", { _, _ -> cont.resume(true) })
            .setNegativeButton("No", { _, _ -> cont.resume(false) })
            .setCancelable(true)
            .setOnCancelListener { cont.cancel() }
            .create()

    dialog.show()
    cont.invokeOnCompletion { dialog.dismiss() }
}