Building a UI with CardView and ScrollView

Create a new project in the usual way and choose the Empty Activity project template. Name the project CardView Layout.

We will design our CardView masterpiece inside a ScrollView layout, which, as the name suggests, allows the user to scroll through the contents of the layout.

Expand the folders in the project explorer window so you can see the res folder. Expand the res folder to see the layout folder.

Right-click the layout folder and select New. Notice there is an option for Layout resource file. Select Layout resource file and you will see the New Resource File dialog window.

In the File name field, enter main_layout. The name is arbitrary, but this layout is going to be our main layout, so the name makes that plain.

Notice it is set to …ConstraintLayout in the Root element field. Change it to ScrollView. This layout type appears to work just like LinearLayout; the difference is that when there is too much content...