UICollectionView+ARDynamicHeightLayoutCell
- An simple category for caculating autolayout UICollectionViewCell size. Automatic manage cell's size cache, automatic invalidate, most improve efficiency.
Demo gif
Support
-
A prototype cell in storyboard
-
-registerNib:forCellReuseIdentifier:
-
-registerClass:forCellReuseIdentifier:
Usage
if your cell use autolayout , all you need just to do like this:
Fixed width
#import "UICollectionView+ARDynamicHeightLayoutCell.h"
-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return [collectionView ar_sizeForCellWithIdentifier:@"DynamicHeightCell" fixedWidth:300 configuration:^(id cell) {
//configuration your cell
FeedModel *feed = self.feeds[indexPath.row];
[cell filleCellWithFeed:feed];
}];
}
Fixed height
#import "UICollectionView+ARDynamicHeightLayoutCell.h"
-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return [collectionView ar_sizeForCellWithIdentifier:@"DynamicHeightCell" fixedHeight:400 configuration:^(id cell) {
//configuration your cell
FeedModel *feed = self.feeds[indexPath.row];
[cell filleCellWithFeed:feed];
}
}
Dynamic size
#import "UICollectionView+ARDynamicHeightLayoutCell.h"
-(CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return [collectionView ar_sizeForCellWithIdentifier:@"DynamicHeightCell" configuration:^(id cell) {
//configuration your cell
FeedModel *feed = self.feeds[indexPath.row];
[cell filleCellWithFeed:feed];
}
}
Install
pod 'UICollectionView-ARDynamicHeightLayoutCell', :git => 'https://github.com/AugustRush/UICollectionView-ARDynamicHeightLayoutCell.git'
Release Versions
-
v1.0
add cache for cell size height, improve efficiency（automatic invalidate）
-
v0.7
add Support for StoryBoard prototype cell
-
v0.6
fixed Height caculated bug and support Dynamic size cell
-
v0.5
support to caculate size for UICollectionView Cell
ToDo
- pre caculate cache