For Dummies iPhone Application Development, 3rd Edition 978-0-470-87996-2 Manuel D’Utilisation
Codes de produits
978-0-470-87996-2
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
I
magine that you’ve just landed at Heathrow Airport. It’s early in the morn-
ing, and you’re dead tired as you clear customs. All you want to do now is
ing, 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.
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). Because 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.
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). Because 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 onboard 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 no-exchange-rate-fee credit card, or $22.31 at the bureau de
change at the airport.
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 onboard 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 no-exchange-rate-fee credit card, or $22.31 at the bureau de
change at the airport.
Another touch gets you the current weather, which prompts you to dig out a
sweater from your luggage before you get on the train.
sweater from your luggage before you get on the train.
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