I’ve had an issue for a while that appeared to be random where scrolling inside a ScrollRect would sometimes not work, but it still worked if I dragged the scrollbar manually. I believe I have finally figured out how to consistently reproduce it. It seems to happen when I launch the game and focus another window while the splash screen is showing, wait until its finished loading, and switch back to the game. At that point scrolling does not work until I restart the game. Does anyone have any ideas what this could be? Is it something wrong on my end?
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I think it’s a bug of Unity3D. When u3d application loses focus, just like UIButton OnClick event will not be fired.
It will be fired unless application get focus again.
It does not work for me at all after regaining focus. I have to restart the game for it to work. This is only for scrolling though, all other UI events still seem to work.