SwiftUI configure LazyVGrid with no spacing

Question

I wanted to create a grid of cells with no spaces or smaller space just like the Photos app, is it possible with SwiftUI 2 LazyVGrid? I've tried it but there is always this space in-between columns.

In the documentation, the spacing parameter is described as:

spacing The spacing beween the grid and the next item in its parent view.

Which doesn't make much sense, can't you just use padding for that? Also, when I tried increasing the spacing, it seems to be actually impacting the space in-between rows of cells, which is even more unexpected.

Martijn Pieters · Accepted Answer · 2022-08-23 12:59:42Z

138

You give spacing: 0 in LazyVGrid for vertical spacing, and spacing: 0 in GridItem for horizontal spacing.

Here is a demo. Tested with Xcode 12 / iOS 14

struct TestImagesInGrid: View {
    @State private var imageNames: [String]

    private let threeColumnGrid = [
        GridItem(.flexible(minimum: 40), spacing: 0),
        GridItem(.flexible(minimum: 40), spacing: 0),
        GridItem(.flexible(minimum: 40), spacing: 0),
    ]

    init() {
        _imageNames = State(initialValue: (0..<8).map { _ in
            "image_\(Int.random(in: 1...3))"
        })
    }

    var body: some View {
        LazyVGrid(columns: threeColumnGrid, alignment: .leading, spacing: 0) {
            ForEach(imageNames.indices) { i in
                Image(imageNames[i]).resizable()
                    .aspectRatio(1, contentMode: .fill)
                    .border(Color.black)
            }
        }
    }
}

edited Aug 23, 2022 at 12:59

Martijn Pieters

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answered Jul 22, 2020 at 4:46

Asperi

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1 Comment

randomor Over a year ago

Exactly what I'm looking for! The docs was misleading on the Grid. Your wording is much more clearer. The docs for GridItem: developer.apple.com/documentation/swiftui/griditem

Alexander Volkov · Accepted Answer · 2023-12-19 14:52:28Z

10

Short answer:

GridItem(.flexible(), spacing: 0),

answered Dec 19, 2023 at 14:52

Alexander Volkov

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