March 2013
Beginner to intermediate
580 pages
16h 11m
English
Content preview from Android Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Challenge: Style Inheritance
Your Delete and Enter buttons are sitting modestly at the bottom of the screen with the same style as all the number buttons. These “action” buttons need a bolder style.
For this small challenge, make those buttons look special. Create a new button style that inherits from your RemoteButton style and sets a bold text style attribute. Then make your bottom row use your new style for the first and third buttons.
Creating a style that inherits from another is simple. There are two ways to do it. One is to set the parent attribute of your style to the name of the style you want to inherit from. The easier way is to just prefix your style name with your parent’s style, then a dot – e.g., ParentStyleName.MyStyleName
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