⌨️ Menu-ListApp with SwiftUI.

Menu-List - App

• Menu-List - App Lifecycle.
• Menu-List - Model.
• Menu-List - List View.
• Menu-List - Network Manager.
• Menu-List - Connecting the UI.
• Menu-List - Errors & Alerts.
• Menu-List - Loading View.
• Menu-List - Download Image.
• Menu-List - Remote Image.
• Menu-List - Project cleanup & organization.
• Menu-List - Detail View UI Setup.
• Menu-List - Detail View UI Connections.
• Menu-List - Detail View Refactor.
• Menu-List - Account View UI Setup.
• Menu-List - View Model & Text Validation.
• Menu-List - @AppStorage.
• Menu-List - Order Screen UI.
• Menu-List - Empty State.
• Menu-List - @EnvironmentObject - Order.
• Menu-List - iOS 15 - Initial Run.
• Menu-List - iOS 15 - Tabbar Badge & List Separator.
• Menu-List - iOS 15 - @FocusState Keyboard.
• Menu-List - iOS 15 - Async/Await Network Calls.
• Menu-List - iOS 15 - AsyncImage.
• Menu-List - iOS 16 - Regex, guard let.
• Menu-List - App Optimizations.
• Menu-List - Data Flow Review.
• Menu-List - iOS 17 @Observable.

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Validation of email in swift iOS application

extension String {
    
    var isValidEmail: Bool {
        let emailFormat         = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
        let emailPredicate      = NSPredicate(format: "SELF MATCHES %@", emailFormat)
        return emailPredicate.evaluate(with: self)
    }
}

Validation of email in swift iOS application - Swift 5.7

import SwiftUI
import RegexBuilder

extension String {
    
    var isValidEmail: Bool {
        let emailRegex = Regex {
            OneOrMore {
                CharacterClass(
                    .anyOf("._%+-"),
                    ("A"..."Z"),
                    ("0"..."9"),
                    ("a"..."z")
                )
            }
            "@"
            OneOrMore {
                CharacterClass(
                    .anyOf("-"),
                    ("A"..."Z"),
                    ("a"..."z"),
                    ("0"..."9")
                )
            }
            "."
            Repeat(2...64) {
                CharacterClass(
                    ("A"..."Z"),
                    ("a"..."z")
                )
            }
        }
        
        return self.wholeMatch(of: emailRegex) != nil
    }
}

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ViewModifier

struct StandardButton: ViewModifier {
    
    func body(content: Content) -> some View {
        content
            .buttonStyle(.bordered)
            .tint(.brandPrimary)
            .controlSize(.large)
    }
}

extension View {
    func standardButton() -> some View {
        self.modifier(StandardButton())
    }
}

You can apply modifier(_:)

.modifier(StandardButton())

.standardButton()

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AdaptiveTextField

import SwiftUI

struct AdaptiveTextField: View {
    @State private var text: String = ""

    var body: some View {
        HStack {
            TextField("Enter text", text: $text)
                .padding(.horizontal, 16)
                .padding(.vertical, 10)
                .background(
                    Capsule()
                        .fill(Color.blue)
                )
                .foregroundColor(.white)
                .font(.system(size: 18, weight: .semibold, design: .rounded))
                .frame(minWidth: 50)
                .fixedSize(horizontal: true, vertical: false)
        }
        .padding()
    }
}

#Preview {
    AdaptiveTextField()
}

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