Programming With Swift

Swift

Add UIDatePicker in a UITextField with Swift

In this tutorial I will show you how to add a UIDatePicker to a UITextField. Using a date picker can be a common input in forms when asking a user to sign up or you might be making a timer application and the list goes on. In some cases we

Swift

Change UITextField placeholder text color with Swift

In this tutorial you will learn how to change the color of a UITextField's placeholder text. This is a straight forward task but if you are anything like me and you see NSAttributedString you start looking for a different solution. We are going to be using NSAttributedString in

Xcode

Xcode 11 run app on iOS 12 and lower

Creating an app with Xcode 11 has a little bit of a hidden issue, it does not allow you to run the app on iOS 12 or lower out of the box. There are a few changes that need to be made in order to get your app to work

Tutorial

Set character limit on UITextField and UITextView with Swift

When creating forms in an app, one might want a character limit as part of the validation for UITextField's or UITextView's. Adding limits require the use of UITextFieldDelegate or UITextViewDelegate depending on if you are using a textfield or a textview. In this tutorial we will

Swift

Dismiss Keyboard with Swift in iOS app

Dismissing the keyboard in iOS is something that almost every app will need to do at some point if it has a UITextField or UITextView. In this tutorial I will go through a few techniques that you can use to dismiss the keyboard in your app. Some techniques are better

Swift

Open a PDF file with Swift(PDFKit, WKWebView)

PDF files are common place and with iOS/iPadOS becoming a more powerful operating system, opening PDF files and other regular computer type tasks will become more common place. In this tutorial we explore two ways of opening a PDF file with Swift. The PDF can be a local file

database

Getting Started with Realm Database for iOS in Swift

In this tutorial we will learn the basics of Realm Database, from installing it to building the models and writing the create, read, update and delete methods. If you are looking for an in depth Realm Database tutorial, then this is not the article for you. I am looking to

How to

Create a Custom UITableViewCell with Swift

UITableViews are one of the most commonly used views in iOS development. It is often the case that one will want to create a custom UITableViewCell, so in this tutorial I will show you how to create custom UITableViewCells. Before we start this tutorial, I will assume that you will

Xcode

How to download Xcode DMG or XIP file

There are a few reasons that one might want to download Xcode outside of the app store. You might want to share it with team members, you might need an older version incase you deleted your Xcode after you installed Xcode Beta etc. Please note that you will need to

Swift

Parse JSON from file and URL with Swift

In todays tutorial we are going to learn how to read a JSON file with Swift, but that file could be a local JSON file or a hosted JSON file. I have a GitHub repo setup for this project that contains the local file but also the hosted file. Before

Xcode

Change iOS app name with Xcode

Changing the name of your app is not something that will be done often, but there are situations where you might want to change your app name. You might have created a new app with a development name, but at some point that name will have to change to the

QuickTip

How to check if string contains substring with Swift

Checking if a string contains a substring in Swift is very easy. Strings in Swift have a built in method called contains. This method with allow us to check if a string contains a given substring. To check if a string contains a substring, you can use the contains method:

Xcode

Delete derived data with Xcode

Xcode can often do some strange things that causes build problems etc. One of the go to methods to try and fix these issues is to delete derived data. In this tutorial, I will show you how you can delete the derived data. Step 1: Open Preferences The first thing

Animate image change with Swift

Animating an image change with Swift is quite simple, all we need to do is use UIView.transition. To do this I have created a new project and added a UIImageView to my Main.storyboard. I then created outlets to my ViewController for the UIImageView . The next thing I done

Create a Swift framework

Breaking a project up into modules or frameworks can be a good strategy when building an iOS app. It will allow you to share the framework between multiple apps, you might also want to share the frameworks with other developers etc. In this tutorial we will go through how one

SwiftUI

Create and Customize a Button with SwiftUI

A Button is one of the most used views in any kinda of mobile application. In today's tutorial we will learn how to create and customize a Button using SwiftUI. In this tutorial we will create 7 buttons, each with different styling. These 7 buttons will cover a

UIKit

Add rows to UITableView

Adding rows to a UITableView is a common task, whether you are building a todo app, some kind of social network or anything else that needs to display a list of items that will get updated whenever new data has been added will need to be able to add a

Swift

Difference between Frame and Bounds in Swift

This is a question I have personally asked multiple times during my iOS development career. Today I will go over it, it is quite a simple answer, but there are some caveats to watch out for. > TLDR: Bounds refers to the views own coordinate system while Frame refers to

Cheatsheet Featured

Swift General task Cheatsheet

Links: 1. Get length of String 2. Split String into Array 3. Enumerate enum 4. Convert Int to String 5. Convert String to Int 6. Convert String to Double 7. Convert Double to String 8. Sort object array by value 9. Sort dictionary by value 10. Sort dictionary by key

Swift

Fix "since it does not conform to ATS policy"

If you are trying to connect to insecure servers you will run into this issue, since it does not conform to ATS policy. This is a simple issue to fix and we will learn how to fix it in this tutorial. The way to fix this is to add a

Swift

Add UIButton programmatically using Swift

There could be situations where one needs to create a button programmatically. In this tutorial we will learn how to add a button using code. Create the button action Before we start with the button we need to start with create the selector that we will use for the button

Swift

Pass arguments to a Selector with Swift

Sometimes when building an application it would be useful to pass arguments to a selector. In my tutorial [https://programmingwithswift.com/expand-collapse-uitableview-section-with-swift/] on hiding tableview sections, this would have been useful, but instead I had to use a tag. Selectors do not work work the same way that a normal

Swift

Add bar button to Navigation Bar with Swift

In this tutorial we will learn how to add a bar button to a navigation bar with Swift. Navigation bars are very popular with iOS development, and depending on the app you might find yourself needing to add a few more buttons to the navigation bar. In this tutorial we

Swift

Share text or images with UIActivityViewController in Swift

UIActivityViewController makes sharing easy and it allows one to share many different types content including, text, images, URL's, Audio and more. In this tutorial we will learn how to share images, text and a URL. All of these use the same code, but we will also learn how

Swift

Expand/Collapse UITableView Section with Swift

UITableView is one of the most used views in iOS development. They can be used for lots of reasons. You might use them to build a form, to display a list of items, build a comment section etc. Some use cases for a table view require that cells or sections