August 2016
Intermediate to advanced
360 pages
8h 44m
English
Content preview from Seven Mobile Apps in Seven Weeks
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A Calculator App
This week we’ll build a calculator app. It’s going to have a UI with a display and a grid of buttons and will run on both iOS and Android. We’ll use shared code for the calculator “engine” so that we have to write that only once. The code will be well tested, both in business logic and on the UI. Finally, we’ll add a feature allowing the user to convert a value in the calculator as if it were a currency value, from one currency to another.
On Day 1 we’ll build out the iOS and Android UIs and see how platform-specific development works in Xamarin. Then, on Day 2, we’ll test and build a calculator model, wire it up to the UI, and ...
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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.