Android users are Finite State Automata
The mobile user is to be considered as an finite State Automata
We use our mobiles hundreds of times a day, every interaction with the device being very short.
The mobile UX designer cannot assume that we remember exactly where we were in the GUI the last time we used it. Every screen should be easily understandable as it was the first seen screen, with no clues on the previous screens or interactions.
A glitched UI design
Appropriate Nielsen Heuristic
Appropriate Nielsen Heuristic are number 1 and number 6
- Visibility of system status
- Recognition rather than recall
Affordances
- the touch screen --> so I can touch
Signifiers
- left arrow sign --> I can go back
- input form --> I can input text
- x sign on the right of the input form --> I can erase the text I entered
- contact list --> I am in the contact list view of my Android device
- Android navigation --> I can go back, home, or see the list of active applications
Glitched conclusion made by the Android user.
Having a contact list and a touch screen, the Android user understands that he can touch a contact and something will happen.
Solution
Add a signifier that explains what happens when touching a contact.
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