Computer scienceMobileAndroidUser InterfaceResources

Retrieving Declared Views

Theory

Initialize a property with findViewById

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You have declared a layout activity_main.xml that contains a TextView with an ID of userNameTextView. Declare a field named userNameTextView and initialize it with the view just mentioned.

Note that the provided code is a fake – it is not an actual Android code. It is only provided for completing the task, there are no Android dependencies available.

Write a program in Kotlin
class MainActivity : FakeActivity() {

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
}
}
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