August 2011
Beginner
287 pages
6h 44m
English
Content preview from Beginning AndroidBecome 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,
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.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.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.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.
DEBUGGING
Eclipse supports debugging your application on both the Android emulators as well as on real Android devices. When you press F11 in Eclipse, Eclipse will first determine whether an Android emulator instance is already running or a real device is connected. If at least one emulator (or device) is running, Eclipse will deploy the application onto the running emulator or the connected device. If there is no emulator running and no connected device, Eclipse will automatically launch an instance of the Android emulator and deploy the application onto it.
If you have more than one emulator or device connected, Eclipse will prompt you to select the target emulator/device on which to deploy the application (see Figure A-20). Select the target device you want to use and click OK.
If you want to launch a new emulator instance to test the application, select Window ⇒ Android SDK and AVD Manager to launch the AVD manager.
Setting Breakpoints
Setting breakpoints is a good way to temporarily pause the execution of the application and then examine the content of variables and objects.
To set a breakpoint, double-click on the leftmost column in the code editor. Figure A-21 shows a breakpoint set on a particular statement.
When the application is running and ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.