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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Answers to Self-Review Exercises
a) SensorEventListener.
b) curves.
c) dragged across the screen.
d) unregisterListener.
e) onSensorChanged.
f) onAttach.
g) onDraw.
h) getActionMasked.
i) immersive mode.
a) False. You unregister the accelerometer event handler when the app is sent to the background.
b) False. Call the inherited View method invalidate to indicate that the View needs to be redrawn.
c) False. If the action is MotionEvent.ACTION_DOWN or MotionEvent.ACTION_POINTER_DOWN, the user touched the screen with a new finger.
d) False. 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.
e) False. The method MediaStore.Images.Media.insertImage ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.