Kun Chen

Results 2 issues of Kun Chen

This fixes the issue https://github.com/nicklockwood/SwipeView/issues/200 . Basically when the device is rotated, the scroll view's contentSize may be changed since itemSize may be changed (by method `updateScrollViewDimensions`). However changing `contentSize`...

For example, I have 10 items. In landscape, I swipe to the 9-th item. After I rotate the device to portrait, the current shown item becomes 7-th item... The reason...