Questions tagged [uikit]
UIKit is the infrastructure framework on which all iOS user interface is built
23 questions
3
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2
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99
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Building a UITableView with fixed number of cells progammatically
I am building this pet project with UIKit. The App's main goal is to keep track of my daily expenses.
The AddExpenseViewController is responsible for capturing user ...
- 101
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1
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695
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Best way to do Input Validation on Swift/iOS/UIKit
I have the following form that creates a new "activity":
For which I want to enforce the following requirements:
Name => minimum # of chars: 1; maximum # of chars: 50
Description => ...
- 2,552
4
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2
answers
1k
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Better way to provide data to UIKit component from Combine pipeline
Today I'm researching how to provide data to UIKit component when using Combine pipeline.
I could see tons of tutorials about how to use SwiftUI + Combine from internet, but not found anyone helpful ...
CommunityBot
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1
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1
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154
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iOS: prettify random color for debugging
iOS: prettify random color for debugging
I used to use random color to debug, from colors I like
...
2
votes
1
answer
143
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UITableView, auto locate back at indexPath when user drags it
I have a tableView, which auto locates back at indexPath after user has dragged it.
In other words, bouncing the tableView back into its bounds, after user dragged it out.
Here is the code:
...
- 2,552
3
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1
answer
708
views
Adding dragging ability to a UIView using UIKitDynamics
I recently published an iOS control/component called BJDraggable which basically, with a call of a method, enables us to drag a view within its superview boundary. ...
- 227
3
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1
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891
views
Core Data Wrapper
I built a wrapper in Swift to practice CoreData.
My question is more general, I hope this is acceptable. I wanted to know whether my implementation of this wrapper is correct or poorly implemented ...
- 136
3
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2
answers
3k
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Extending UITableViewCell to preserve UIView background color when selecting the cell
When a UITableViewCell has subviews with background color set, when setSelected(_: animated:) gets called, all the views are ...
- 28.3k
0
votes
1
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68
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Change level button's image
There are 12 buttons, and each of them has 3 options for selecting pictures, depending on the data. It works but I think need a shorter and more intelligent decision.
...
CommunityBot
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4
votes
1
answer
148
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"What To Do" App
I am starting to build up my portfolio, so I am starting to build projects whenever an idea pops up in my head. So, I decided to build an app that helps you decide what to do. Basically how it works ...
- 23.5k
4
votes
1
answer
912
views
A helper class for creating icons from a PNG image and colour in Swift
I have made a helper struct in Swift that creates circular icons from a PNG image (a white icon on transparent background) and a background ...
- 23.5k
1
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1
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2k
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Draw grid programatically with borders
I need to draw a grid with some special requirements. My current solution is working but is far away from ideal I guess. Attached you can find the current working solution:
Some of my thoughts which ...
CommunityBot
- 1
1
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1
answer
2k
views
UIViewController without interfacebuilder
I have a template I've been using with Swift for UIViewController and UIView subclasses without a ...
- 291
1
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1
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9k
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Proper cellForRowAtIndexPath cell return in Swift
So I have started creating a UITableView with multiple prototype cells. I currently have the below code setup, which works fine
...
CommunityBot
- 1
1
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1
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141
views
Factory pattern for image or shape marker [closed]
I'm making a photo marker application and need to make a factory pattern for marker. I think it is not very flexible and overall not good.
Would you check my code and suggest what could be improved?
...
- 866
8
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2
answers
2k
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iOS Utility methods for UIView
Lately, I've been part of a team working on a utility library for iOS called Thundercats (on Github). We're about to start working on some changes and upgrades in preparation for a 2.0 release, so we ...
- 302
10
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1
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1k
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Blurring an Image
Lately, I've been part of a team working on a utility library for iOS called Thundercats (on Github). We're about to start working on some changes and upgrades in preparation for a 2.0 release, so we ...
CommunityBot
- 1
3
votes
1
answer
3k
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Set a font for a UITextView if the font is nil or not equal to desired font
Main question
I am setting a font for a UITextView that is a subview in a custom view. I only set it if the user didn't specify the font size in the Interface Builder.
I have the following working ...
CommunityBot
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4
votes
2
answers
7k
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Removing a subview with a subview from a UIView without memory leaks
I made a custom UITextView for vertical Mongolian writing. It is made by subclassing UIView, which has a subview called ...
CommunityBot
- 1
3
votes
1
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5k
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Draw an arc based on a given percentage
I wanted to create a class that would allow me to draw an arc representing a percentage of progress, similar to the activity view on the Apple watch. There are various examples which I found helpful ...
- 25.3k
5
votes
1
answer
372
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Sierpinski Triangle
I am a Java programmer who recently started learning some Swift. I made an app that displays the Sierpinski triangle and adds triangles if the user pans up, and zooms in and out using the pinch ...
CommunityBot
- 1
10
votes
1
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699
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Finger painting code
I have a very simple view that handles touch events and draws accordingly. It's nothing significant, but it does use a bit more CPU than I would like (35%). Again, it is the bare minimum (<90 lines)...
CommunityBot
- 1
15
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1
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7k
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IBDesignable UICheckbox
A more up-to-date version of this control can be found on GitHub.
One UI control that has always been mysteriously missing from Xcode's interface builder is some sort of checkbox. ...
- 25.3k