Overridden functions of an open class is open by default and we can stop that by using the final Keyword Meaning we can override and inherit overridden method by default. Let’s say we built a learning app. Course is our abstract class, KotlinCourse inherits or extends Course, SpecialKotlinCourse also inherits or extend KotlinCourse. As you can see from the code […]
In this tutorial, we are going to learn how to create simple chat head that allow users to drag them across the screen and then launch the App by tapping on it – the Floating Widget – just like Facebook messenger.