cwalo

import Foundation

extension String {
    var containsEmoji: Bool {
        for scalar in unicodeScalars {
            switch scalar.value {
            case 0x1F600...0x1F64F, // Emoticons
            0x1F300...0x1F5FF, // Misc Symbols and Pictographs
            0x1F680...0x1F6FF, // Transport and Map
            0x1F900...0x1F9FF, //idk but here lies clown and others

cwalo

/* 
  Example of how to create a view that has rounded corners and a shadow.
  These cannot be on the same layer because setting the corner radius requires masksToBounds = true.
  When it's true, the shadow is clipped.
  It's possible to add sublayers and set their path with a UIBezierPath(roundedRect...), but this becomes difficult when using AutoLayout.
  Instead, we a containerView for the cornerRadius and the current view for the shadow.
  All subviews should just be added and constrained to the containerView
*/

import UIKit

cwalo

private var shadowLayer: CAShapeLayer!
private var cornerRadius: CGFloat = 25.0
private var fillColor: UIColor = .blue // the color applied to the shadowLayer, rather than the view's backgroundColor
 
override func layoutSubviews() {
    super.layoutSubviews()

    if shadowLayer == nil {
        shadowLayer = CAShapeLayer()
      

cwalo

Things you should know, but might forget...

This is a curated list of reference material that anyone who develops in the Apple domain will hopefully find helpful. Most items are things I have used and can vouch for.

--

Swift

--

The Swift Programming Language

Swift Forums

cwalo

func heightOfString(_ string: String, attributes: [NSAttributedString.Key: Any], fitting width: CGFloat) -> CGFloat {

    let constraintRect = CGSize(width: width, height: CGFloat.greatestFiniteMagnitude)
    let boundingRect = string.boundingRect(with: constraintRect,
                                           options: [.usesLineFragmentOrigin, .usesFontLeading],
                                           attributes: attributes,
                                           context: nil)

    return boundingRect.size.height
}

cwalo

protocol FooProtocol {}
protocol BarProtocol {}
protocol DootProtocol {}

typealias CompProtocol = FooProtocol & BarProtocol & DootProtocol

struct Dependencies: CompProtocol {}

struct SomeType {

cwalo

//
//  BottomSheetView.swift
//  field
//
//  Created by Corey Walo on 12/21/22.
//

import SwiftUI

fileprivate enum Constants {

cwalo

import SwiftUI

struct IndentScrollView: View {
    let min = 0.5
    let max = 3.5
    let increment = 0.1
    
    @State
    var multiplier = 0.5

cwalo

import Foundation
import SwiftUI

struct ScrollViewTracking: Equatable {
    /// A stable identifier to name the view's coordinate space
    let namespace: AnyHashable = UUID()
    /// The current position of the scroll view
    var position: CGPoint = .zero
    /// The scroll view's content size
    var contentSize: CGSize = .zero