A tutorial on how to use a web api from within an Android app. We discuss JSON, XML and Android's AsyncTask.

Telephony manager, which is part of the Android application framework, provides a telephony API to user applications. It consists of the android.telephony and android.telephony.gsm Java packages.

WeatherKit is not an app itself — rather, it's an API (or a framework, in Apple lingo) that's meant to replace the Dark Sky API Apple has deprecated and is planning to kill off completely by 2023.