The document discusses the iPhone OS platform, including that it is developed by Apple for the iPhone and iPod Touch, is based on Mac OS X, and only supports development using Objective-C through Xcode on Mac OS X. It also covers the iPhone phenomenon, developer criticisms such as the single platform and native language, differences between native and web apps, and opportunities and limitations of the App Store and native iPhone applications.

1. iPhone
OS
Pla,orm
Jussi
Pohjolainen
Tampere
University
of
Applied
Sciences

2. iPhone
OS
• Mobile
pla,orm
developed
by
Apple
for
iPhone
and
iPod
Touch
• Based
on
Mac
OS
X
• Development
kit
only
available
for
Mac
OS
X
• Programming
Language:
ObjecFve-­‐
C
• App
distribuFon
only
via
Apple’s
App
Store

3. iPhone
Phenomenon
• Touch
screen
• Screen
size
• UI
and
services
• Service
usage
• Mobile
internet
• "Easy"
development
• App
Store
• Huge
impact!

4. iPhone
CriFsism

5. Developer's
view
• One
pla,orm,
one
screen
size
– Although
different
OS
versions
and
iPad
• NaFve
language
Obj-­‐C
• App
Store

6. NaFve
vs.
Web
• Na#ve
apps
– DistribuFon
only
with
the
App
Store
• Web
apps
– DistribuFon
via
the
Internet
– Very
close
to
naFve
experience

7. App
Store
• App
Store
opened
in
July
2008
• Huge
success
• Very
easy
to
use
– iTunes
legacy,
iPod
user's
familiar
with
the
store
• "Apple-­‐tax",
Apple
charges
30%
of
income
• Apple
checks
if
your
app
is
qualified
for
App
Store

8. App
Store
• Usually
games
sell
well
• Most
of
the
apps
very
simple
– iFart
–
phenomenon
• Pricing
usually
from
0.79€
to
9.99€
• Lot
of
free
soeware
• Lot
of
apps,
how
to
adverFse
your
app?
– Top
lists
– Price
cut

10. NaFve
App
PossibiliFes
• Threading
• Core
Audio,
OpenAL
• Networking
• MediaPlayer
• File
System
Access
Framework
• Locale
• Accelerometer
• Security
Framework
• Access
to
• SQLite
Library
– built-­‐in
camera,
photos
– addressbook,
web
• XML
Libraries
• Core
LocaFon
• Quartz,
Core
AnimaFon,
Framework
OpenGL
ES

11. iPhone
OS
3.0
• In
App
Purchase
• External
Accessory
Framework
• Peer
to
Peer
ConnecFvity
• Maps
• iPod
Library
Access

12. LimitaFons
• No
mulFtasking
for
non-­‐Apple
apps
– Importance
of
saving
state!
– Push
NoFficaFon
Service
• App
Store
– Apple's
limitaFon
– DistribuFon
limitaFon

13. Developer
Program's
• Standard
Program,
99
€
/
year
• Enterprise
Program,
299
€
/
year
• University
Program,
free

14. Developer
Tools:
Xcode

15. Developer
Tools:
Interface
Builder