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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touchEnded Method of Class DoodleView
The touchEnded method (Fig. 7.31) is called when the user lifts a finger from the screen. The method receives the ID of the finger (lineID) for which the touch just ended as an argument. Line 262 gets the corresponding Path. Line 263 calls the bitmapCanvas’s drawPath method to draw the Path on the Bitmap object named bitmap before we call Path’s reset method to clear the Path. Resetting the Path does not erase its corresponding painted line from the screen, because those lines have already been drawn to the bitmap that’s displayed to the screen. The lines that are currently being drawn by the user are displayed on top of that bitmap.
259 // called when the user finishes ...
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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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