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#RSS Feed for Ray Wenderlich | Tutorials for iPhone / iOS Developers
and Gamers

RayWenderlich
Tutorials for iPhone / iOS Developers and Gamers

New blog post (with cheezy song!): Merry Christmas 2011!
t.co/UPUFP4zp
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25 December 2011

Merry Christmas 2011!

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Every year, we have a little tradition where we sing a
super-embarassing geeky Christmas song to wish ya'll a Merry Christmas
;]

Here's this year's entry - "iOS Wonderland!" I apologize in advance for
my singing :P

youtube/embed/tU1kTkqHxwA

We wish you all a Merry Christmas, and thank you so much for reading
this blog!
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Tags: announcements, iOS, ios5, iPhone
6 Comments! Add a comment!

20 December 2011

Basic Security in iOS 5 Tutorial Part 2

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This is a post by Chris Lowe, an iOS application developer and aspiring
game developer living in San Antonio, Texas.
Learn how to protect files with the data protection API!-

Learn how to protect files with the data protection API!

Welcome to part two of the epic tutorial series on implementing basic
security in iOS 5!

In part one, we began work on Christmas Keeper, an app designed to keep
track of holiday gift ideas. We built out the shell for our app and put
it under lock and key via prompting the user for a PIN/password. In the
process, we learned a little about hashing and cryptography.

In this second and final part of the series, we'll tackle using the iOS
Keychain and Data Protection API, as well as several more segues and
the new Twitter API.

This tutorial starts where the previous tutorial left off, so if you
don't have it already, grab the project where we left off last time.

Read on to get even more security-savvy!

Keep reading!
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Tags: iOS, ios5, iPhone, sample code, security, tutorial
4 Comments! Add a comment!

15 December 2011

Basic Security in iOS 5 Tutorial Part 1

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This is a post by Chris Lowe, an iOS application developer and aspiring
game developer living in San Antonio, Texas. He warns that this
tutorial is pretty Epic in length, but promises you'll learn a thing or
two along the way. :]
Learn how to store passwords securely in the Keychain!-

Learn how to store passwords securely in the Keychain!

One of the most important aspects of software development also happens
to be considered one of the most mysterious and scary (and is thus
avoided like the plague): that of securing an application.

Users expect and demand that applications run as intended and keep
their data safe and secure, whether it be from intruders, other users,
or even from the correct user making mistakes.

But app security, while it can be time-consuming, need not be scary or
mysterious!

Good app security has a couple of qualifications:
* Users must not consciously know they are being protected. (That is,
don't get in the way! Users aren't there to evaluate your data
security practices; they want to use your app!)
* Your security must be difficult to work around or break. (Nothing
is impossible to hack, given enough time and horsepower.)
* Don't be Citibank.

Luckily for us, Apple has created several APIs for our use to help make
our apps the best they can be. These include:
* Secure text entry
* An encrypted keychain
* Great hashing algorithms; and
* The Data Protection API.

In this tutorial, we're going to cover all of this and more, as we
build an application to keep track of the holiday presents that we are
going to buy our friends and family. We'll call it "Christmas Keeper."

As an added bonus, we're going to use TONS of awesome new iOS5
features, including Twitter, Storyboards, ARC, JSON, Alert Views,
Static Table Views, and a simple Custom UI.

So keep reading to learn more - by the end of this tutorial series, you
will be a better, more security-conscious developer!

Keep reading!
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Tags: ios5, iPhone, sample code, security, tutorial
12 Comments! Add a comment!

13 December 2011

How To Make A Multi-directional Scrolling Shooter Part 2

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Learn how to make a multi-scrolling tank shooting game!-

Learn how to make a multi-scrolling tank shooting game!

This is a multi-part tutorial series where we show you how to make a
cool multi-directional tank battle game for the iPhone.

In the first part of the series, we created a new Cocos2D 2.0 project
with ARC support, added our tile map into the game, and added a tank we
could move around with the accelerometer.

In this second and final part of the tutorial, we will make our tank
shoot bullets, add enemy tanks, add some win/lose logic, and add some
polish and finishing touches.

This project begins where we left off last time, so grab the project
where we left it off last time if you don't have it already.

So, shall we make a game?

Keep reading!
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Tags: cocos2D, game, iOS, ios5, iPhone, sample code, tutorial
13 Comments! Add a comment!

12 December 2011

iOS 5 By Tutorials Final Chapters Now Available!

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iOS 5 By Tutorials Book update now available - all chapters now
complete!-

iOS 5 By Tutorials Book update now available - all chapters now
complete!

This is just a quick note for the iOS 5 By Tutorials customers, to let
you know that the latest update to the book (v1.7) is now available!

The update contains the final two chapters you guys were waiting for:
* Intermediate Twitter
* Intermediate iCloud

The final page count of the book is a massive 877 pages! This version
also has some fixes that you guys kindly pointed out in the errata
thread.

You can find the download link for the updated version in the private
iOS 5 By Tutorials Official Forum. If you have not yet registered to
get access to the private forum, you can do so here.

I hesitate to call the book "complete" because we still have some
technical reviews outstanding, but all of the content is there! Once
the technical reviews are complete, I will send an email out to
everyone who purchased the book with a link to the final version.

We hope you enjoy the new chapters!
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Tags: announcements, iOS, ios5, sample code, tutorial
4 Comments! Add a comment!

8 December 2011

How To Make A Multi-Directional Scrolling Shooter Part 1

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A while back in the weekly tutorial vote, you guys said you wanted a
tutorial on how to make a multi-directional scrolling shooter. Your
wish is my command! :]

In this tutorial series, we'll make a tile-based game where you drive a
tank around using the accelerometer. Your goal is to get to the exit,
without being blasted by enemy tanks!

To see what we'll make, check out this video:

youtube/embed/SPJXqHWE4-Y

In this first part of the series, you'll get some hands on experience
with Cocos2D 2.X, porting it to use ARC, using Cocos2D vector math
functions, working with tile maps, and much more!

This tutorial assumes you have some basic knowledge of Cocos2D. If you
are new to Cocos2D, you may wish to check out some of the other Cocos2D
tutorials on this site first. In particular, you should review the
tile-based game tutorial before this tutorial.

Rev up your coding engines, and let's begin!

Keep reading!
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Tags: cocos2D, game, iOS, ios5, iPhone, sample code, tutorial
24 Comments! Add a comment!

2 December 2011

The raywenderlich Team

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When I first started this site almost two years ago, I thought this
site would just be my personal software development blog. I wasn't
quite sure what to expect, but hoped that with hard work at least I
wouldn't be speaking to the void.

Since that time, thanks to amazing readers like you, that's definitely
not the case! :] In those two years, this blog has grown in leaps and
bounds:
* Consistently released at least 1 iOS tutorial per week.
* Over 125 tutorials on the site!
* Almost half a million visits per month.
* About 8K RSS subscribers and Twitter followers.
* Almost 4K newsletter subscribers.
* Our own forums, with 4X forum traffic growth since launch.

However, I can't take full credit for this success, because although
this site bears my name, it's no longer just a personal software
development blog. We have a great team of guys that work together to
make everything we do here possible!

So today, I wanted to take a time out and recognize the awesome group
of tutorial writers, forum moderators, and editors that makes this site
possible. They are all great developers and super nice, and I have
learned a lot from all of them.

So without further ado, I'm pleased to present the raywenderlich
Team!

High quality iOS tutorials from around the world!-

We currently have 5 forum moderators (help answer questions on forums),
13 tutorial team members (write high quality tutorials for the site),
and 2 tutorial editors/admins (perform edit and technical reviews on
the tutorials).

As you can see, we're all across the world! Currently we have writers
in 5 out of 7 continents: 8 in North America, 5 in Europe, 2 in South
America, 1 in Australia, 1 in Asia (arguably). I'm still looking for
tutorial writers in Africa or Antartica! ;]

So What?

The main point I'm trying to get across is that this site is a team
effort, and there are a lot of awesome guys here working really hard to
give back to the community. So what can you do?
* Say hello in person! Do you live near one of us? If so, meet up
with us and chat about iOS over a beer or two!
* Follow us on Twitter! If you want to see what the team is tweeting
about, I've set up a handy twitter list with everyone on the team -
it's a great source for iOS tweets and news!
* Say thank you! If you like a tutorial or someone helps you on the
forums, thank the tutorial author or forum moderator. It's always
nice to know your efforts are appreciated.
* Read about the team. Check out the about page to find out more
about everyone on the team!
* Join in! This community depends on the participation of everyone,
so chime in and contribute to the forums! Ask questions, answer
others, and add to the discussion.

And that's it! Again, a huge thanks to everyone on the
raywenderlich Team - I am truly grateful to be able to work with
you to create some great tutorials. And most of all - thank you to
everyone who reads this blog!

Here's hoping to (at least) 2 more years at raywenderlich! :]
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Tags: announcements
15 Comments! Add a comment!

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