[A] gallery does not default the first picture centered on how to achieve the left display

If that, thank

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Reply:
Do not know if there was a more advanced way,
I used earth approach, a total count gallery can display several item, and then set the first of N / 2 is selected
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cited a floor youngc527 reply:

do not know if there was a more advanced way,
I used earth approach, a total count gallery can display several item, and then set the first of N / 2 is selected

How to set selected?
Reply:
Gallery.setSelection (int)