Kotlin Programming Cookbook

How it works…

Let's see the implementation of the preceding methods in the source code:

inline fun <reified T: Any> Context.intentFor(vararg params: Pair<String, Any?>)

The intentFor method takes vararg as a parameter, hence we are able to supply multiple data to it. This method calls createIntent, which actually creates an intent with supplied data, and it looks like this:

fun <T> createIntent(ctx: Context, clazz: Class<out T>, params: Array<out Pair<String, Any?>>): Intent {    val intent = Intent(ctx, clazz)    if (params.isNotEmpty()) fillIntentArguments(intent, params)    return intent}private fun fillIntentArguments(intent: Intent, params: Array<out Pair<String, Any?>>) {    params.forEach {        val value = it.second        when (value) {            null -> intent.putExtra( ...