
Note that in the same list, the attribute "id" is set to "button.". On the bottom right list, called "Properties", find the attribute "text", and change it to "ROLL THE DIE.". From the left list, called "Palette", drag and drop a "Button" into the screen. With the Design tab selected, click on the "Hello World" widget, which is on the top left corner of the phone, then hit the "delete" key on your keyboard.
Because not every Android developer is familiar with xml, Android Studio provides a simple drag-and-drop option, which is what we are going to use. This is because Android applications' GUI (Graphical User Interface) relies on xml programming.
As you might have noticed, this file looks somewhat different from a Java class.
On this step you will add widgets, such as buttons or texts to your application.