Today I want to show you a new free tool I found today called “MockApp” (tagline: iPhone App design for the rest of us).

You can download MockApp as a Keynote or Powerpoint presentation. It is essentially a template full of iPhone graphics that you can copy, paste and arrange to create a quick mock-up of your iPhone app. Using a tool like this you can quickly prototype new app ideas, share them with your partners and then hand off your design to a programmer to implement it.

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Find out for yourself why Steve feels that this eBook is better than the 6 others he bought from Amazon!

I gotta tell you…this ebook is much better than any of the 6 books I have bought from Amazon. Some of the hardcover books are cool because of the sample source code BUT they assume I know all about C programming and never explain the basics like you do !!

The extra Bonus stuff is also AMAZING!! I love the source code snippets but the SQLite program is very helpful to me as I have an app I am working on that uses tables which looks lame compared to your pretty tables with images, subtext and turn blue on tap…simply awesome !!

- Steve

Last year I wrote this eBook and it was been so well received that it landed me a book deal with a major publisher and a regular teaching gig.  Part of the appeal with my book is that it is a NO-BS handbook to app development – this is for people who want to dig in the code.  Plus I put a lot of stuff about planning and marketing that sets this book apart (not to mention all the bonus source code you get).

You can check out the eBook for yourself and get a 25% discount if use the coupon code “BOOK1″ when checking out.  Click here to see how to get the book.

PS: Readers of the eBook will get an exclusive discount on my upcoming *BIG* product…

Here is how to extend the functionality of existing classes like NSString and NSURL using categories. This is a real clean way to extend and customize objects for your app without creating sub-classes. This makes categories a nice way to get some flexibilty and code reuse.

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Today I have a super-awesome video showing you how to use UIActionSheet.

UIActionSheet is a quick way to interact with your users and present them with an set of options. You may take an action based on what the user selects. This is one of those controls from Cocoa-Touch that I like because it elegantly slides in from the bottom and basically doesn’t look like message box spam.

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Today I’m going to show you how to create custom buttons for your iPhone app. See below for video and demo graphics…

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Toolbars are used to present a set of functions to a user. You will see these at the bottom of iPhone apps and generally give you the option to do things like edit files, send email or take a picture.

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Here is one easy way to save data in your iPhone apps.

If you are using an array, say a list of strings, you can easily save that information to the documents directory of your app. In this example, we are going to create an array, fill it with values and then save the contents of the array to the documents directory.

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Reading and writing text files are one of the most basic things you need to do in iPhone development. In iPhone OS 3.0 things have changed a little bit here and there with some methods being deprecated.

I just wrote two example methods that you can use to see how you can turn a NSString into a text file and reverse the process.

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Here is a great way to ask your users to input dates on your iPhone app.

When you use UIDatePicker in your app you will a tumbler that lets users select a date that you may use in other parts of your app.

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Today I am going to turn my iPhone into a Ray Gun by having it play a short laser sound. You probably have seen the many gun, laser and farting apps available on the Apple App Store. Most of these apps simply play a short sound along with some fancy graphics.

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