Category: I-phone

Question:

How do I disable the idle timer?

Answer:

[[UIApplication sharedApplication] setIdleTimerDisabled:YES];

Do you have iPhone SDK programming questions?

Do you have a hard time finding answers to your tough iPhone development problems?

Are you tired of searching and searching for how to create iPhone applications?

Do you wish there was site dedicated to answering your iPhone SDK programming questions?

If you answered yes to any of these questions then you should check out http://www.excbadaccess.com/.

http://www.excbadaccess.com/

[http://www.excbadaccess.com]

Question of the Day #1: What iPhone dev site do you find most useful?

Question of the Day #2: What are some good resources for iPhone development?

Question of the Day #3: Is there a way I can record my iPhone screen as a video?

Question of the Day #4: Any recommendations for a great iPhone programming book?

You can find the answers to these questions and many more on our Question and Answer site: http://www.excbadaccess.com

Even better that is where you can find the answers to your questions. See you there!

Thanks to feedback and suggestions from readers like you, we now have created a single zip file that you can download that contains all of the source code from our series 31 Days of iPhone SDK Apps.

31 Days of iPhone SDK Apps Master Zip File.

And here is the full list of 31 Days of iPhone SDK Apps.

App-y Holidays

Thank you for great year of learning and growing.

We appreciate your interest and passion and look forward to even bigger things in the coming year.

Be sure to check our our newest tutorials: http://appsamuck.com/.

Here’s a quick and easy way to create images with rounded corners.

UIImageView * headerImage = [[UIImageView alloc] initWithFrame:CGRectMake(10.0, 10.0, 64.0, 64.0)];
headerImage.image = contactPhoto;

CALayer * layer = [headerImage layer];
[layer setMasksToBounds:YES];
[layer setCornerRadius:10.0];

[layer setBorderWidth:1.0];
[layer setBorderColor:[[UIColor blackColor] CGColor]];

[contactHeader addSubview:headerImage];

Road Ahead

On Wednesday, October 01, 2008 Apple remove the iPhone SDK NDA, and Apps Amuck was there. On the same day we started our 31 days of iPhone SDK applications. Since then we have released all 31 iPhone SDK applications, as promised.

We have heard from many of you, that you want more. And that is our goal, to give you more, and more. We want to help you be great. And it is a goal we are excited about, and looking forward to achieving. Every time we hear from one of our readers, how we helped them achieve and do more, we know we are making a big difference.

We were able to release all 31 of our iPhone SDK applications. This was quite the challenge for us, and we feel we could do even better. That’s why for the 30 days of November, we will be going back and “refactoring”, and improving our existing 31 iPhone SDK applications.

What does this mean for you? More detailed descriptions, and more in depth explanations for all the applications we have already published.

[PS: Don’t you worry. We still have a few more surprises for you up our sleeves. The sky is the limit for all of us.]

Step by Step

[See told you we had some surprises in store for you.]

We’ve gotten a LOT of requests to do some really in depth step-by-step tutorials on how to write iPhone SDK applications from scratch. We have published a ton of source code already, and there will be more to come. And soon we will be expanding the descriptions, and explanations for the applications we have already written.

But we want to do more, so we have decided to really push ourselves, and try to get an ebook out this month, “Step by Step: How to Write Your First iPhone SDK Application”. If all goes well, this will be the first in a series of iPhone SDK ebooks.

While the book will target begginers, it will still include some of our best tips and tricks, that we have picked up along the way, that make writing iPhone SDK applications a lot easier. The ebook will be different from most ebooks, because we want it to be a living book, that is updated as we receive new feedback from readers over time.

We also believe in our readers, and the marketplace. So instead of charging $49, or $39, or $29 for our ebook. We will charge no more than $9. And we intend to charge even less, with an introductory offer of $0.99 USD for all of our loyal Apps Amuck readers.

Right now, we are trying to put the infrastructure in place to make all of this happen. But if you can not wait until then, and want to be one of the first to recieve the “Step by Step: How to Write Your First iPhone SDK Application” ebook, then send an email to [email protected] with the subject “StepByStep99″, and we will add your name to the list!

Question:

How do I hide/show the status bar?

Answer:

[[UIApplication sharedApplication] setStatusBarHidden:YES animated:NO]];

If you’ve used Cocos2D for awhile you may have had some difficult when trying to handle the display order of images.

Things get even more complicated if you are creating an isometric game.  The player character may need to be placed behind an obstacle such as a rock or a tree.  In v0.99.1 automatic z-ordering for tile maps was implemented, and the problem was somewhat solved, but some problems still exist and there is some tweaking to be done.

Another problem, especially with map-based games is creating a player HUD display as the images need to be placed at the right z-ordering and at a consistent location on the screen.

Nat Weiss has created a tutorial on how to overcome these problems by creating two different custom sprite classes which can be found here:
CCZSprite and HudLevelSprite

These two classes should be of help to anyone interested in creating a map-based game in Cocos2D.

Thanks for reading, if you like this please share it!

©2010 iPhone iOS 4 iPad SDK Development Tutorials, Programming Tips, News. All Rights Reserved.

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There are times when you want to notify the user that an important event has occurred or will occur.

Push notifications are a great way to notify the user that an event has occurred and became a staple feature immediately after they were added into the iOS sdk.

Now local notifications are available that allow you to push a notification to the device that your app is running on based on time, the notifications can even be recurring.

Brandon Treb has written a great step-by-step tutorial on exactly how to do just that, which you can find here:
iPhone Programming Tutorial Notifications

Thanks for reading, if you like this please share it!

©2010 iPhone iOS 4 iPad SDK Development Tutorials, Programming Tips, News. All Rights Reserved.

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Blocks are a feature of the C language that have been added to the iPhone and iPad sdk with iOS 4.

What they allow you to do are create usable “blocks” of code that you can pass along like any object. This probably sounds a lot like a function, and they are very similar, but there is a significant difference in that they “close” around variables that are in scope before a block is declared.

I know this sounds odd, and you might be wondering when you’ll need to use them, but they certainly have their uses as there are definitely times when you will want a small block of reusable code.

You can find a complete tutorial from Mike Clark here that explains things better here:
Using Blocks In iOS 4

If you liked this, please share it!

[Via Joost Schuur]

©2010 iPhone iOS 4 iPad SDK Development Tutorials, Programming Tips, News. All Rights Reserved.

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