iPhone® Application Development For Dummies®, 2nd Edition

Chapter 1. Creating Killer iPhone Applications

In This Chapter

• Figuring out what makes an insanely great iPhone application

• Listing the features of the iPhone that can inspire you

• Facing the limitations you have to live with

• Checking out the possibilities that are open to you

• Developing iPhone software now rather than later

Imagine that you've just landed at Heathrow Airport. It's early in the morning, and you're dead tired as you clear customs. All you want to do now is find the fastest way to get into London, check into your hotel, and sleep for a few hours.

You take out your iPhone and touch the MobileTravel411 icon. On the left in Figure 1-1, you can see it asks whether you want to use Heathrow Airport as your current location. You touch Yes, and then touch Getting To From (as you can see in the center of Figure 1-1). Since it already knows that you're at Heathrow, it gives you your alternatives. Because of the congestion in and out of London, it suggests using the Heathrow Express, especially during rush hour.

You touch the Heathrow Express tab, and it tells you where to get the train and also tells you that the fare is £14.50 if you buy it from the ticket machine and £17.50 if you buy it on board the train. (The iPhone on the right in Figure 1-1 is proof that I'm not making this up.) It turns out that you're so jetlagged that you can't do the math in your head, so you touch the Currency button, and it tells you that £14.50 is around $21.35 if you take it from the ATM, $21.14 on your ...