December 2013
Beginner
416 pages
12h 45m
English
book
Learning Android™ Application Programming: A Hands-On Guide to Building Android Applications
by James Talbot, Justin McLean, Jorge Hernandez
Content preview from Learning Android™ Application Programming: A Hands-On Guide to Building Android ApplicationsBecome 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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Creating a New Activity
Applications often consist of more than one activity. Let’s create a new Settings activity to enable and disable vibration and create the best possible experience for the user.
1. Create a new activity called activity_settings via the Android New Activity wizard. Select BlankActivity as the template, Settings as the activity name, and activity_settings as the layout file. Type Settings as the title.
2. Open the activity_settings file. Change the RelativeLayout to a LinearLayout with a vertical orientation:
<LinearLayout xmlns:android=http://schemas.android.com/apk/res/android xmlns:tools=http://schemas.android.com/tools android:layout_width="match_parent" android:layout_height ...
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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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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.