Android: Sub-class Gallery doesn't scroll by onKeyDown event

问题

I have a sub-classed Gallery widget which I customized its onFling method, otherwise everything should be the same as the original Gallery widget.

And I am trying to animate its scrolling left or right by using:

gallery.onKeyDown(KeyEvent.KEYCODE_DPAD_LEFT, new KeyEvent(0, 0));

But that doesn't seems to work on the sub-class Gallery. Any idea why?

回答1:

If you guys have this problem, try get rid of the gallery spacing value -- that solved it for me.

来源：https://stackoverflow.com/questions/4801700/android-sub-class-gallery-doesnt-scroll-by-onkeydown-event