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Khoa πŸ”₯ Profile picture
@onmyway133
May 6, 2021 β€’ 9 tweets β€’ 6 min read β€’ Read on X
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What are some essential online tools that help you in your day-to-day development tasks?

Here are the tools I can't live without

Thread πŸ‘‡
⌨️ Quick Type by @quicktypeio

Convert JSON into gorgeous, typesafe code in any language. I use this a lot to quickly generate Swift models from server JSON response. It generates very elegant enum handling and optiona

quicktype.io
πŸ‘¨β€πŸ³ CyberChef by GCHQ

The app is open-source and contains lots and lots of tools to convert texts, images, and formats languages

Great to have al things in 1 place

gchq.github.io/CyberChef/
⏰ Epoch Converter

I need to convert time intervals and handle timezone very often, and somehow this website keep showing up in my search results, so I've been using it every since. Works great so far

epochconverter.com
πŸ“ Regex 101 by @regex101

Intuitive regex expression validation with hints for each symbols and with many functions and flavors

regex101.com
πŸ“ WTF Auto Layout

This is very handy for iOS developers dealing with Auto Layout. I know SwiftUI is the future but many still have to struggle with Auto Layout on a daily basis. This tool helps demystify many tricky cases #iosdev

wtfautolayout.com
πŸ‘” Carbon by @carbon_app

Carbon is both an open-source web tool and CLI. It generates a beautiful frame for code snippets. I use this daily to share code online

carbon.now.sh
🎨 Photopea

I have Sketch and Figma installed but when it comes to PSD, I usually use Photopea, which runs in the browser. Very neat to export layers

photopea.com
πŸ“œ Thread Reader by @threadreaderapp

When I see a long Twitter thread, I often read in this app. It display long threads elegantly

threadreaderapp.com

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More from @onmyway133

Khoa πŸ”₯ Profile picture
Jul 27, 2022
SwiftUI helps make apps faster, and I've started to use it in all my production apps

Here are some #SwiftUI tips I've learned along the way that will help you write better SwiftUI apps ✨✨
✨ There is a strokeBorder method

Some shape like Circle conforms to InsettableShape protocol, which provides strokeBorder method.

The stroke method strokes inside and outside the border.
The strokeBorder insets the stroke by lineWidth / 2 Image
✨ Take advantage of Publisher in Combine

Both State and StateObject attaches to the lifetime identity of a SwiftUI view.

In cases where we need to adjust the stream, I prefer using ObservableObject. Here is how I debounce the Textfield text to perform searching. Image
Read 8 tweets
Khoa πŸ”₯ Profile picture
Jun 20, 2022
✨✨ SwiftUI tips

Y probably using SwiftUI in iOS 15 by now, here are 10 good practices to make good use of #SwiftUI #iosdev
✨ Take advantage of flexible frames

Sometimes we want to show a button in the corner of the screen and we use VStack, HStack with Spacer.

We can use flexible frame with maxWidth, maxHeight. It is more concise and does not have default spacing like in the stack.
✨ Use overlay with ViewBuilder

Let's say we want to show a star icon to the top right of a book cell.

Before iOS 15, overlay and background modifiers accept only View, so we need to perform logic in Group.

Now we can just specify alignment with content ViewBuilder.
Read 11 tweets
Khoa πŸ”₯ Profile picture
Apr 16, 2022
Are you new to iOS and Swift and want to find good blogs to learn & get up to date?

I can recommend the following 21 best free resources and blogs to learn Swift and SwiftUI for iOS developers #iosdev πŸ‘©β€πŸ’»πŸ§‘β€πŸ’»
⚑️ Stanford University's course CS193p (Developing Applications for iOS using SwiftUI)
cs193p.sites.stanford.edu

⚑️ Raywenderlich
raywenderlich.com

⚑️ ObjC Issues
objc.io/issues/

⚑️ NSHipster
nshipster.com

⚑️ 100 days of Swift
hackingwithswift.com/100
⚑️ Learn to code (Apple)
developer.apple.com/learn/curricul…

⚑️ App Dev Training (Apple)
developer.apple.com/tutorials/app-…

⚑️ Kavsoft
kavsoft.dev

⚑️ Sarun by @sarunw
sarunw.com

⚑️ Swift by Sundell
swiftbysundell.com

⚑️ Donny Wals by @DonnyWals
donnywals.com
Read 5 tweets
Khoa πŸ”₯ Profile picture
Apr 11, 2022
What are some new things you learn about #SwiftUI lately?

Over the course of making several SwiftUI apps, I've discovered quite a few hidden magic of SwiftUI that are quite fun.

Here are 6 interesting SwiftUI features in View Builder many don't know are even possible 🀯
🀯 View protocol with enum

Struct is not the only way to describe #SwiftUI views. Learn how you can achieve the same thing with just enum
🀯 Conform primitive type to View protocol

You can also conform any value type or primitive type to View protocol

The only requirement View needs is to yield a reasonable body.
Read 7 tweets
Khoa πŸ”₯ Profile picture
Apr 5, 2022
Have you recently discovered some nifty UIKit APIs that you wish you had known earlier?

Apple introduces new changes every WWDC but it may take a while until they can be adopted in production, hence developers forgot.

Here are 9 useful APIs from iOS 7 - 15 many fail to notice
keyboardDismissMode, iOS 7

Have you tried making the keyboard dismissal follow along drag gesture? It's not an easy feast but I still see manual implementation in some codebases.

They didn't know that in iOS 7, you can specify keyboardDismissMode to be .interactive. Image
NSLayoutConstraint.active, iOS 8

I know everyone should be using NSLayoutAnchor and not the tedious NSLayoutConstraint.

Before iOS 8, we needed to find the view that is the closest common ancestor of the items managed by the constraint, and it is a very tricky task. Image
Read 10 tweets
Khoa πŸ”₯ Profile picture
Mar 17, 2022
Development & design tools for iOS developers #iosdev ⚑️πŸ”₯

These are the 33 tools I use daily and have saved me so much time that I can't recommend them enough.
πŸ”₯ WTF Auto Layout
Demystify Auto Layout constraint error logs
wtfautolayout.com

πŸ”₯ NSDateFormatter
Preview different date formats
nsdateformatter.com

πŸ”₯ Quick Type
Convert JSON to Swift code
app.quicktype.io

πŸ”₯ Screen Sizes
Device info
screensizes.app
πŸ”₯ Cubic Bezier
Play around with bezier path
cubic-bezier.com

πŸ”₯ Regex101
Test regular expression
regex101.com
Read 10 tweets

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