Challenge: From Button to ImageButton
Challenge: From Button to ImageButton
Perhaps the UI would look even better if the next and previous buttons showed only icons, as in
Figure 2.15.
Figure 2.15 Icon-only buttons
To accomplish this challenge, these two widgets must become ImageButtons instead of regular
Buttons.
ImageButton is a widget that inherits from ImageView. Button, on the other hand, inherits from
TextView. Figure 2.16 shows their different inheritance hierarchies.
Figure 2.16 Inheritance diagram for ImageButton and Button