YouTipAndroid Development
Android is the most popular mobile OS. Apps are built with Kotlin and Android Studio.
Main Activity
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
}
}Layout
<LinearLayout android:orientation="vertical">
<TextView android:text="Hello" />
<Button android:text="Click Me" />
</LinearLayout>Summary
- Kotlin is the primary Android language
- XML layouts define the UI structure