Iglistkit: Collection Controller with Storyboard
New issue checklist
Can i use CollectionView from storyboard with multiple Cells rather SingalStoryboardCell.
i want to have Storyboard CollectionView with Multiple Cells of Autolayouts?
Or i have to create all layouts myself in CollectionViewCells?
Also Pod file have different implementation than Master branch. may be need to update pod.
e.g dequeueReusableCellFromStoryboard not found in pod IGListCollectionContext
Thanks
- [x] I have reviewed the
READMEand documentation - [x] I have searched existing issues and this is not a duplicate
General information
IGListKitversion:- iOS version(s):
- CocoaPods/Carthage version:
- Xcode version:
- Devices/Simulators affected:
- Reproducible in the demo project? (Yes/No):
- Related issues:
FazeelAkhtar
All 14 comments
Question regarding Autolayouts and Storyboard CollectionView.
FazeelAkhtar
on 30 Oct 2016
@fazilakhter You can have as many cell prototypes from storyboard as you want. Just put a switchinIGListSectionController's cellForItem(at index: Int) and dequeue different cell prototype based on index (you can also assign a different IGListSectionController for each cell prototype). There is a StoryboardViewController in examples. You can refer to it.
zhubofei
on 30 Oct 2016
@fazilakhter With reference to your issue with Cocoapods there was a discussion about this in #104
tl;dr - The team is working on a 2.0.0 release but in the meanwhile if the changes are important then master is pretty stable so you could use that.
Sherlouk
on 31 Oct 2016
@zhubofei Thanks for the input , But what will happen in case of Autolayouts ,
Do i need to calculate size mysellf in sizeForItem ?
i want to give Cell Size according to AutoLayouts , Can you give me some pointers on this ?
what will be the best way to use Autolayouts Storyboard Cells with Correct Size e.g Image and Dynamic Text inside
FazeelAkhtar
on 31 Oct 2016
@fazilakhter UICollectionViewFlowLayoutAutomaticSize only works on iOS10+. I think use sizeForItem maybe a better choice.
zhubofei
on 31 Oct 2016
@zhubofei So you suggest , i calculate and give proper size myself in sizeForItem of Cells?
FazeelAkhtar
on 31 Oct 2016
@fazilakhter Yes. And I think you can rely on autolayout within the cell once you set the correct size of each cell.
zhubofei
on 31 Oct 2016
@zhubofei : So i want to go with Autolayout and Give Correct Size of eachCell .
Problem :
I want to get size of cell in sizeForItem function to give proper size.
when first time sizeForItem method called i don't have cells created
so i cannot get cell size properly. So i am thinking to reload but it can be expensive/hack or some other efficient solution to tackle this problem to get Cell Height properly.
FazeelAkhtar
on 1 Nov 2016
@fazilakhter I find this workaround. https://github.com/honghaoz/Dynamic-Collection-View-Cell-With-Auto-Layout-Demo/blob/master/README.md
But I have to admit it is not that elegant. You can also use estimatedSize + preferredLayoutAttributesFittingAttributes though.
zhubofei
on 1 Nov 2016
@fazilakhter you're running into a pretty common UICollectionView issue. Sort of a "chicken & egg" problem where you don't have the cell yet, but you have to give it the size based on data+constraints in the cell.
At Instagram we create size generators for each of our cell types to figure out how big a cell should be, given a constraining width. Though its super performant, its a very manual process and maintenance can be a pain.
I'd like to get a better grasp on UICollectionView self-sizing cells though. I created a new issue to add an example.
rnystrom
on 1 Nov 2016
yes @rnystrom its like Freaking up problem ... Yes i am working on it. if i find a better solution i will fork and do a pull request with Example so you can use it later.
Btw , how did you do the generator ? like manualy calculating all heights or loading from Xib and then use that size. Also , i have notice , once all cells are there then you can do what every size you want , so reload can be an option to get size but it will cause some performance hit.
FazeelAkhtar
on 2 Nov 2016
@fazilakhter take a look at #176 for an example using nibs and self-sizing cells. The same should apply to cells prototyped in a storyboard.
We mostly do height calculation in code. There's an example of that in our sample project too:
Sounds like we have answers to this question, right? If so let's close this issue out.
rnystrom
on 8 Nov 2016
Hello @rnystrom Can you check your last examples? Links are broken.
Thanks a lot.
Ricardo1980
on 10 Apr 2017
Updated, thanks @Ricardo1980!
rnystrom
on 16 Apr 2017
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Most helpful comment
@fazilakhter With reference to your issue with Cocoapods there was a discussion about this in #104
tl;dr - The team is working on a 2.0.0 release but in the meanwhile if the changes are important then master is pretty stable so you could use that.