Accessing widget
1. To access a widget, we don't need to write findViewById. We can directly access with id. IMPORTED CLASS ----------------------- import kotlinx.android.synthetic.main.activity_main.* ----------------------- LAYOUT ----------------------- < TextView android :id= "@+id/selectedFoodTxt" android :layout_width= "wrap_content" android :layout_height= "wrap_content" android :text= "India" /> ----------------------- JAVA ----------------------- class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super .onCreate(savedInstanceState) setContentView(R.layout. activity_main ) selectedFoodTxt. text = "USA" } } ----------------------- 2. Button - Let us create a button click event LAYOUT ----------------------- < Button android :id= "@+id/decideBtn" android :layout_width= "0dp" ...