1、iOS11 scrollview 显示时会有滚动效果
消除的方法:
if ([self.scrollview respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
if (@available(iOS 11.0, *)) {
self.scrollview.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
} else {
// Fallback on earlier versions
}
}