Programming Android With Kotlin O 39-reilly Pdf -

val name: String = "John" var age: Int = 30

class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) programming android with kotlin o 39-reilly pdf

<Button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Click me!" /> val name: String = "John" var age: Int