January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second EditionBecome 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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Overridden View Method onSizeChanged
The DoodleView’s size is not determined until it’s inflated and added to the MainActivity’s View hierarchy; therefore, we can’t determine the size of the drawing Bitmap in onCreate. So, we override View method onSizeChanged (Fig. 7.23), which is called when the DoodleView’s size changes—e.g., when it’s added to an Activity’s View hierarchy or when the user rotates the device. In this app, onSizeChanged is called only when the DoodleView is added to the Doodlz Activity’s View hierarchy, because the app always displays in portrait on phones and small tablets, and in landscape on large tablets.
64 // Method onSizeChanged creates Bitmap and Canvas after app displays65 @Override ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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