Displaying tabular content with LazyHGrid and LazyVGrid

Like lazy stacks, lazy grids also use lazy loading to display a collection of items. They only initialize only subset of items that will soon be displayed on the screen when the user scrolls. You can display content from top to bottom using a LazyVGrid view and from left to right using a LazyHGrid view.

In this recipe, we'll use the LazyVGrid and LazyHGrid views to display an extensive range of numbers embedded in colorful circles.

Getting ready

Create a new SwiftUI app called LazyGrids.

How to do it…

We'll use a ForEach structure count for numbers from 0 to 999 and display them in a LazyHGrid, then repeat similar steps to display the numbers in a LazyVGrid view. The steps are as follows:

1. In the ContentView struct, just above the body variable, create an array of GridItem columns. The GridItem struct helps configure the layout of the lazy grid:

       let columnSpec = [
   ...