April 2020
Beginner
316 pages
8h 20m
English
Content preview from Learn SwiftUI
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Adding a reset filter button
Still in ContentView.swift, locate the navigation bar button items we created earlier. Remember how we added an HStack on the leading button for later? Well, this is later, so add in the following highlighted changes to add another button to our leading items:
.navigationBarItems(leading: HStack { Button(action: { self.showMap.toggle() }) { Image(systemName: "map") .renderingMode(.original) }.sheet(isPresented: $showMap) { RecipeMapView(filter: self.$filter) } Button(action: { self.filter = "" }) { Image(systemName: "line.horizontal.3.decrease.circle") .renderingMode(.original) } }, trailing: Button(action: { self.showAddRecipe.toggle() }) { Image(systemName: "plus") .renderingMode(.original) }.sheet(isPresented: ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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