[英]UIView.transitionWithView inside a UIView.animateKeyframesWithDuration not working as expected
[英]UIView transitionWithView: not working
我正在為漫畫書應用程序設計布局。 漫畫書的頁面分為幾行,然后每一行至少有一列。 當用戶在列上進行垂直滑動時,應該將其分為兩個單獨的列。 該部分已經可以正常工作,但是我想使用+ transitionWithView:為此添加一個簡單的向上卷曲過渡。 一切仍然正常(該列划分很好),但是沒有動畫。 這是代碼:
- (void)divideColumnView:(CCLayoutColumnView *)columnView atPoint:(CGPoint)_divisionPoint {
// divides a single column into two smaller ones
// define frames for new columns
CGRect frameLeft = columnView.frame;
CGRect frameRight = frameLeft;
CGFloat width = _divisionPoint.x - frameLeft.origin.x;
frameLeft.size.width = width;
frameRight.size.width -= width;
frameRight.origin.x += width;
// set up the container for transition
UIView *rowView = [columnView superview];
UIView *containerView = [[UIView alloc] initWithFrame:columnView.frame];
[rowView addSubview:containerView];
// move the column to the container
columnView.frame = [containerView convertRect:columnView.frame fromView:rowView];
[containerView addSubview:columnView];
// set up columns that will be inserted to the container during transition
CCLayoutColumnView *leftColumnView = [[CCLayoutColumnView alloc] initWithFrame:[containerView convertRect:frameLeft fromView:rowView]];
CCLayoutColumnView *rightColumnView = [[CCLayoutColumnView alloc] initWithFrame:[containerView convertRect:frameRight fromView:rowView]];
[UIView transitionWithView:containerView
duration:0.5
options:UIViewAnimationOptionTransitionCurlUp
animations:^{
[columnView removeFromSuperview];
[containerView addSubview:leftColumnView];
[containerView addSubview:rightColumnView];
}
completion:^(BOOL finished){
// add columns to their row
leftColumnView.frame = frameLeft;
rightColumnView.frame = frameRight;
[rowView addSubview:leftColumnView];
[rowView addSubview:rightColumnView];
// clean up
[containerView removeFromSuperview];
[containerView release];
[leftColumnView release];
[rightColumnView release];
}];
}
我已經檢查了所有視圖的幾何形狀,看起來還可以。 另外,完成塊可以正確執行。
可能是什么問題?
我還被困在使用transitionWithView
為視圖設置動畫的transitionWithView
。
我不知道您的項目的層次結構,但是如果您可以為要為其創建動畫的視圖創建一個單獨的類,那將很容易:
[UIView transitionWithView:self.view duration:1.0 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{} completion:^(BOOL f){}];
works..ie此功能與正常工作self.view
。
希望對您有所幫助。
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