December 2013
Intermediate to advanced
464 pages
14h 46m
English
book
Learning Mobile App Development: A Hands-on Guide to Building Apps with iOS and Android
by Jakob Iversen, Michael Eierman
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Create the Data Source Method
The complex list displays and uses several bits of data about a contact. To function properly, it needs all the data for a contact. This requires a method to retrieve contact data for all contacts from the database. Open or switch to ContactDataSource.java to create a new method that returns that data as Contact objects in an ArrayList. Use the code in Listing 6.5.
Listing 6.5 getContacts Method
public ArrayList<Contact> getContacts() { ArrayList<Contact> contacts = new ArrayList<Contact>(); try { String query = "SELECT * FROM contact"; Cursor cursor = database.rawQuery(query, null); Contact newContact; cursor.moveToFirst(); while (!cursor.isAfterLast()) ...
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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.