All skills
Mobile & Stores
Android
Latestv17Updated Jun 16, 2026
Overview
Android is an open-source operating system developed by Google. Android is based on a modified version of the Linux kernel and other free and open-source software, designed primarily for touchscreen-based mobile devices such as smartphones and tablet computers. Android has historically been developed by a consortium of developers known as the Open Handset Alliance, but its most widely used version is primarily developed by Google. First released in 2008, Android is the world's most widely used operating system; and most used operating system for smartphones. The latest version, released on June 16, 2026, is Android 17.
Read moreHow it works
kotlin
class MainActivity : AppCompatActivity() {
override fun onCreate(b: Bundle?) {
super.onCreate(b)
setContentView(R.layout.main)
}
}The flow
Step by step, from source to running.
- 1Build an APK/AAB from Kotlin/Java
- 2Installed onto the device
- 3ART runs the app process
- 4The framework drives the lifecycle