Programming Tutorials

The code demonstrates how to programmatically set or change the background color of the ActionBar in an Android application. It leverages the Kotlin programming language and the Android framework. Key components: AppCompatActivity: The class represents the foundation of an Android activity that extends the functionality of the standard Activity class. It provides backward compatibility for features introduced in later versions of the Android platform. supportActionBar: This property retrieves a reference to the ActionBar object, which is the bar at the top of the activity window that can contain the application's title, navigation button, and other action buttons. setBackgroundDrawable(): This method sets the background drawable for the ActionBar. A drawable is a graphical resource that can be displayed on the screen. In this case, a ColorDrawable or GradientDrawable is used. ColorDrawable: A drawable that represents a solid color. The ColorDrawable constructor ta...