User Interface Design For

Handheld Devices

Douglas Engelbert - 1968

• Typewriter style keyboard

• Monitor• Mouse

Apple Lisa - 1983• Icons• Menu bar• Trash can• Gray-out• Double click• Did not

patent

Motorola - 1983• DynaTAC 8000X - First

commercially available mobile phone

2G Cell Phones - 1990’s

• 1990- first truly digital cell phone made

• Better batteries and electronics

• New era of handheld devices

Need For New Interfaces

• No standards in design

• Not just intelligent GUI but UI needed as well

iPod - 2001• Easy to use interface• Apple sells 63 million

in 6 years• 40% of world market

for digital media players

• UI patented on Oct. 28, 2002

Looking Forward• 2010 - 1.8 billion

desktop computers• 2008 - 3 billion cell

phones• Convergence of cell

phones and other hand held devices

BlackBerry• Cell phone• Email• Text messaging• Internet faxing• Web browsing• PDA

MotoROKR

• Holds up to 100 songs

• Comes with iTunes built in

What’s Next?• Demand for

these devices continues to grow

• Demand for interface designers will grow as well