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Stijn Vernaillen
Works at Vito
Attended Hogeschool Antwerpen
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Stijn Vernaillen

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Stijn Vernaillen

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Places to visit...
 
300ft spiral staircase beside the Taihang Mountains, China

#china   #amazing 
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"Car owners are the creators of wealth. Do you realise that they get exhausted sitting in their cars due to traffic jams and they reach office completely tired? It affects their efficiency. Do you want them to perform less?" B B Sharan, the chief petitioner opposing Delhi's
new on-street Bus Rapid Transit system, on
the grounds that it leaves less space for car traffic. http://feedproxy.google.com/~r/HumanTransit/~3/SK9UJH1iDw8/quotes-of-the-week-cars-vs-buses-in-delhi.html
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Stijn Vernaillen

Cal Discussion  - 
 
Looking forward to testing #cal  !!!!
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Yep... leve een up to date android camera...
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iets voor de navigator of mobiele bbt?
 
#AndroidDev  

On Wizards

Entering data and filling out forms on mobile devices kind of sucks. Because of this, you generally want to put as much of the burden of data entry on yourself—the developer—as you can, and as little on the end user as possible. For example, registration forms with 10 input fields are likely to annoy users far more than those with only 2 input fields… or one… or even none (auto-fill the email and auto-generate a password!).

Having said that, there are a number of very fair use cases that require a lot of user input, or complex user input, and have potentially nontrivial consequences. For example, customizing and ordering physical goods, scheduling bank transactions, or setting up a complex app (or operating system!) for the first time.

While you can generally design single-page data entry forms for such processes, sometimes it's more effective to guide the user through the process step-by-step, explaining things along the way, and giving her a sense of comfort about her progress. It's generally also comforting to provide a 'review' step at the end, letting the user get an overview of what's about to happen before pressing the big red 'execute' button.

On Android, there hasn't been much documentation around designing wizards (something I hope we address), or great open source examples of wizards (at least as far as I know), so I'd like to offer one such 'reference' example implementation.

You can get the code here:
http://code.google.com/p/romannurik-code/source/browse/misc/wizardpager

There are a few key features I'd like to call out about this implementation:

• Branching, or the ability for wizard steps to influence the availability of later steps
• Allowing the user to review before committing
• Allowing the user freeform navigation between wizard steps
• Support for required and optional steps
• Support for step classes (technically, each step is an instance of a Java class, so you can have multiple instances within the wizard)

As for things that are missing, one major missing piece is optimization for larger screens. That's something I'm hoping to work on soon.

As usual, I've attached a few screenshots to whet the appetite  before you check out the code.

Let me know in the comments if you've got ideas for improvements or questions. And feel free to just fork the code and discuss your changes!

Thanks!
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In his circles
73 people
Have him in circles
56 people
Bart Daniels's profile photo
Stijn Willems's profile photo
Stéphanie Briessinck's profile photo
sam ponette's profile photo
cindy Van Autreve's profile photo
Education
  • Hogeschool Antwerpen
    Productontwikkeling, 1998 - 2003
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  • Vito
    Expert, 2009 - present
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Food: ExcellentDecor: Very goodService: Excellent
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reviewed 12 months ago
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Best new restaurant in Antwerp. Good original food, quality service and fair price...
Food: ExcellentDecor: ExcellentService: Excellent
Public - a year ago
reviewed a year ago