如何在集合视图中保存图像数组Swift 4

Question

When I open my app, the first screen comes up with an empty collectionView of images. I press an 'add' button and it brings me to another viewController . This new screen has a collectionView with images inside of each cell . When i press on one of the images and press 'create' button. You are brought to the first screen again and see the image you have just selected in the first cell of the previously empty collectionView . I want to save that image in the collectionView , but I can't figure out how. I tried using userDefault but that didn't work.

Thanks for any help.

Answer 1

Follow below steps to save image into NSMutableArray . Using array you can manage your collectionview.

1. Create and array in your 1st View Controller.
2. Create Delegate into your 2nd View Controller.
3. Implement Delegate into 1st View Controller.
4. When you select Image/Path (Suggested Path), call your delegate and pass your data.
5. Now you are having that data into your delegate. Add that into your array.
6. Show that array into collectionview.

Note : This will add same image multiple times into array once you select. Manage your array accordingly your requirement.