2. Utah School of Computing Mobile UIs CS5540 HCI Rich Riesenfeld Fall 2007 CS5540 HCI Rich Riesenfeld Fall 2007

3. Student Name Server Utah School of Computing slide 2 Fall 2007 Mobile UIs Video Games Palm Pilots, etc Mobile Phones Audio Players Video Games Palm Pilots, etc Mobile Phones Audio Players

4. Student Name Server Utah School of Computing slide 3 Fall 2007 Characteristics Small Low rez Limited graphics Limited computing Interactive Small Low rez Limited graphics Limited computing Interactive

5. Student Name Server Utah School of Computing slide 4 Fall 2007 Interesting Consequence Actors all about the same size -Backgrounds change size to adjust -Cannot adjust actor size much  Already optimal Scenes do not scale -Look better in small than large Actors all about the same size -Backgrounds change size to adjust -Cannot adjust actor size much  Already optimal Scenes do not scale -Look better in small than large

6. Student Name Server Utah School of Computing slide 5 Fall 2007 Size is a BIG Challenge Highly restrictive format Hard to do 3D -Most scenes are 2D Contrast -Little intensity contrast -Mostly color contrast is used Hard to highlight, identify selected objects Highly restrictive format Hard to do 3D -Most scenes are 2D Contrast -Little intensity contrast -Mostly color contrast is used Hard to highlight, identify selected objects

7. Utah School of Computing End Mobile UIs