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This UI is for a B2B web ecommerce page, where a buyer can enter quantities for multiple sizes of a product. They first click a size in the top row which reveals up/down arrows on the qty, which the user than taps to increase or decrease qty as needed.

tab Size Quantity

on the click: up and down arrows to change the quantity of the Size 6

enter image description here

Can you suggest any alternative or new UI that save space but is scalable and is suitable for mobile gestures?

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  • What is the use case for this interface?
    – cimmanon
    Commented Nov 28, 2013 at 18:37
  • To be placed in a Product Page in a B2B Ecommerce website. 1 Buyer "Searches for products" 2 Selects "Quantity" for each "Size" 3 Click "Add to order" to Add the selection to the current order
    – Timo Patek
    Commented Nov 28, 2013 at 18:51

1 Answer 1

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5

Current design has some bad features:

  • Per-column layout isn't scalable, as the screen width is limited. And horisontal swipe for scrolling could conflict with screen changing gesture interaction.
  • Per-column interaction isn't convenient, as the data is best readed row by row.
  • Increase and decrease buttons rather small for touch interaction. enter image description here

You could use more convenient layout, which has no mentioned issues:
enter image description here

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4
  • Thank you so much for the feedback. I totally agree with both your point, the only thing is that I am trying to stay as short as possible in terms of verticality and 4/5 might be the average number of rows in this feature.
    – Timo Patek
    Commented Nov 28, 2013 at 19:03
  • @fdonelli Ignoring usability saves the screen space but cuts the money. That's why usability is important.
    – Alexey Kolchenko
    Commented Nov 28, 2013 at 19:37
  • Of course. Thank you for your suggestion anyway, I am reworking on that anyhow.
    – Timo Patek
    Commented Nov 28, 2013 at 19:47
  • The version of @Alexy supports the mental model of users better.
    – sysscore
    Commented Nov 29, 2013 at 16:14

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