Flo writes Code @FloWritesCode Twitter profile

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Flo writes Code

1 year

It doesn't get much easier & straight-forward to manage your apps & app ideas than with @LaunchBuddy_App . You can get it for free on macOS and iOS:

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Flo writes Code

@FloWritesCode

2 years

Getting ready for WWDC!

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1 year

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1 year

SwiftUI got another super nice API in iOS 17: Scroll Transitions!

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1 year

A very basic example of MVVM in iOS 17. @.Observable "publishes" all variables of the ViewModel @.Bindable allows the View to create Bindings to them

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Flo writes Code

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1 year

This is all that's needed to get started with SwiftData. Yes, everything can fit on the screen. No, no more model definition files. No more PersistenceController. I have yet to figure out CloudKit & App Groups.

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Flo writes Code

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1 year

New Indie Dev Stack: UI: SwiftUI Persistence: SwiftData Animated Icons: SF Symbols Paywall: StoreKit Every WWDC it becomes easier & faster to make apps. This year, we got Paywalls, Persistence & Animations.

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1 year

Some more tidbits I picked up during the keynote: - SwiftUI Custom Animations - Animated SF Symbols - Improved MapKit with SwiftUI - Native Swift Predicates - Time in Daylight API - SwiftData - StoreKit Views - Custom Workout API - Inline predictive text API - Embedded

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Flo writes Code

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3 years

Want a more declarative syntax for empty Arrays? You can use this little snippet:

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2 years

SwiftUI developers when finding out how it works under the hood.

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1 year

SwiftUI is the best thing that could have happened to iOS development.

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Flo writes Code

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3 years

It's time for another design remake! This time I remade this Calendar in about 20 minutes, as always using nothing but #SwiftUI . Code on my Github: Note: The Timeline at the bottom is hardcoded, making it dynamic could be an interesting challenge!

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Flo writes Code

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2 years

Credit: u/sourcelocation in r/swift on Reddit.

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2 years

I don't do MVVM anymore. I started to prefer leaving out ViewModels in my newer apps. It reduces complexity and makes development faster. More:

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3 years

Programmatic scrolling is actually super easy in #SwiftUI ! I made a video about this a few months ago, but these are the only 3 things you need to do!

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Flo writes Code

@FloWritesCode

1 year

Building custom scrolling animations like this one takes less than 5 minutes in iOS 17 & SwiftUI. 📹

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2 years

The best macOS feature in a long time.

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Flo writes Code

@FloWritesCode

4 months

Create Hero Transitions with two lines of code in iOS 18

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2 years

SwiftUI now also has a native PhotosPicker! You can place this View in your app's toolbar to let the user select photos 📸

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Flo writes Code

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2 years

Reminder to include a rating request in your iOS app. UIKit: SKStoreReviewController SwiftUI: @.Environment(\.requestReview)

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Flo writes Code

@FloWritesCode

1 year

And here's the video tutorial on how to set everything up. 📹 Under 8 minutes for CRUD in SwiftData. This is insane.

Flo writes Code

@FloWritesCode

1 year

This is all that's needed to get started with SwiftData. Yes, everything can fit on the screen. No, no more model definition files. No more PersistenceController. I have yet to figure out CloudKit & App Groups.

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Flo writes Code

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2 years

Here's a nifty little helper that makes working with CoreData much nicer in SwiftUI. 1. Create an overload on ?? for Bindings of Optional<T> 2. Directly bind to your ObservedObject's optional attributes, e.g. in a TextField 3. Don't forget to save the context after changes

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Flo writes Code

@FloWritesCode

2 years

A quick reference for the default SwiftUI Fonts. The number represents the font size in points for the default scale on an iPhone. Thinking of making a menu bar app just with this in it, as I always mix up the order of these fonts.

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3 years

This looks very interesting!

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2 years

I just posted a brand new video about Live Activities. It's actually super easy to build these, learn how in the video. Watch now:

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2 years

This is all it takes to automatically generate custom & localized App Store Screenshots with Blacksmith. Get for free: Watch tutorial:

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Flo writes Code

@FloWritesCode

11 months

I don’t usually talk about personal stuff on here, but this just gets me too excited: I took my black belt test in TaeKwonDo yesterday 🥋🥳

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Flo writes Code

@FloWritesCode

1 year

I just hit 6,000 on Twitter and 4,000 on Youtube - thank you WWDC 🫶 If you're interested in practical examples for everything new in WWDC23, head over to and subscribe. All my content is free and I try my best to make it high-quality.

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Flo writes Code

@FloWritesCode

2 years

Do you know this feeling? I certainly do, so I built LaunchBuddy (), which helps me keep focus.

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Flo writes Code

@FloWritesCode

3 years

🚀 Stay focused while working on multiple projects, plan out your releases and schedules tasks with LaunchBuddy. 🆓 Get it for free: LaunchBuddy is out now! Retweets & Reviews are highly appreciated. ❤️

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Flo writes Code

@FloWritesCode

2 years

Did Xcode autocomplete really get this crazy good?!

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Flo writes Code

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2 years

One year on the App Store as a student/indie developer: - 12 (small-medium-large) apps - 227k impressions - 4.3k downloads - about 4k sessions - $265 raw profit - $180 spent (icons & developer account) (excludes LaunchBuddy)

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Flo writes Code

@FloWritesCode

3 years

🥳 I'm giving away 5 promo codes for Forge as a thank you for 1k followers! How to enter: Like or Retweet Forge is a marketing image generator that I made for indie developers. It lets you create ASC/social media images for your app in just a few seconds.

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Flo writes Code

@FloWritesCode

2 years

SwiftUI in iOS 16 now has a way to autofocus! Learn more:

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Flo writes Code

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1 year

Develop for visionOS - Windows (SwiftUI Scene) - Volumes (SwiftUI Scene) - Spaces (contains windows, volumes & 3d objects) - iOS & iPadOS apps are displayed as windows - SwiftUI & UIKit for UI - RealityKit for 3D content - ARKit to understand 3D space around the user - Add

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Flo writes Code

@FloWritesCode

9 months

visionOS app icons consist of 3 image files: - background - layer 1 (base) - layer 2 (object) The system handles animations etc. automatically, so make sure your icons support this setup.

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Flo writes Code

@FloWritesCode

2 years

How are you handling dependency injection in your iOS projects? Personally I just added @twannl 's & @v_pradeilles 's solution to another project. Find my version of it on Github:

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Flo writes Code

@FloWritesCode

3 years

Thanks to Swift 5.5 you now don't always need a DateFormatter. Instead you can use the new .formatted() modifier on a Date directly: `date.formatted(date: .long, time: .omitted)`

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Flo writes Code

@FloWritesCode

1 year

Can you turn your SwiftUI Views into Image Files? Yes you can, with this iOS 16 API.

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Flo writes Code

@FloWritesCode

2 years

Add `ITSAppUsesNonExemptEncryption` to your Info.plist and set it to `No` to avoid this annoying popup.

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Flo writes Code

@FloWritesCode

3 years

Want a fancier navigationTitle in #SwiftUI ? You can add a ToolbarItem with a placement of .navigationBarLeading or .principal instead, which lets you fully customise what's shown.

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Flo writes Code

@FloWritesCode

2 years

SwiftUI Colors now have a subtle gradient built right into them! This looks SUPER good, for sure a no-brainer in every single app for me.

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Flo writes Code

@FloWritesCode

3 years

As I already talked about I am working on a new developer app at the moment. It's called LaunchBuddy and helps you structure your releases and launches across all of your apps/projects. I will use this as an ongoing thread talking about updates & ideas.

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Flo writes Code

@FloWritesCode

3 years

Did you know that you can change the order of Views in a ZStack using `.zIndex()`? I will be using this for a future Forge update, where you can move elements to the back and front as you'd like.

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Flo writes Code

@FloWritesCode

1 year

Let's kick things off by building a full app with SwiftData and tons of the new iOS 17 APIs. 📹 Today's lesson 1 covers SwiftData, including Relationships and unique attributes & NavigationStack.

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Flo writes Code

@FloWritesCode

2 years

Did you know that you can increase the section header size in SwiftUI.Form?

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Flo writes Code

@FloWritesCode

3 years

Want to use Swift Concurrency to create a repeatable timer? Here you go!

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Flo writes Code

@FloWritesCode

2 years

I'm thinking about livestreaming while I build small SwiftUI apps, is there any interest?

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Flo writes Code

@FloWritesCode

5 months

SwiftUI might be my favorite thing ever.

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Flo writes Code

@FloWritesCode

1 year

@SebJVidal Why did you have to post this?...

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Flo writes Code

@FloWritesCode

2 years

"The best way to build an app is with Swift and SwiftUI". There you have it, Apple said it themselves.

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Flo writes Code

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3 years

Want to change the mouse cursor when hovering over a SwiftUI View in macOS? Just replace `pointingHand` with the type of cursor that you need.

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Flo writes Code

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2 years

SwiftUI now has .italic(), .monospaced(), .strikethrough(), .underline(), .tracking() and .kerning() modifiers!

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Flo writes Code

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2 years

Convert SwiftUI Views to an image using the new `ImageRenderer`!

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Flo writes Code

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2 years

Colors now also have INNER SHADOWS! This allows you to e.g. add a glow effect like in this example.

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Flo writes Code

@FloWritesCode

5 months

You're probably using GeometryReady to scale a View based on its parent. Here's an alternative for iOS 17:

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Flo writes Code

@FloWritesCode

1 year

Is this option new?

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Flo writes Code

@FloWritesCode

1 year

I don't use MVVM in my personal projects anymore. But last time I mentioned this, I got very mixed comments. So I made another video clearing up the topic with code examples & explanations regarding CoreData with & without MVVM. Watch here:

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Flo writes Code

@FloWritesCode

1 year

🍎 Vision Pro - VisionOS - Controlled with Voice & Hands (no controller needed) - Optionally supports mouse & keyboard - Windowed mode & experience mode - 3D Avatar for meetings - SwiftUI, RealityKit & ARKit - Reality Composer Pro (Unity-like 3D scene editor) - Popular Unity

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Flo writes Code

@FloWritesCode

1 year

Add CloudKit & App Group support to SwiftData: - Add Entitlements - Set CloudKit/ App Group Identifier - Create custom ModelConfiguration

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Flo writes Code

@FloWritesCode

2 years

Why not both?

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Flo writes Code

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2 years

Last year, I built a solution to creating 100% customisable & localisable App Store Screenshots with SwiftUI. The process is completely automated - no more Simulator Screenshots and Figma/Sketch needed! Just make your designs in SwiftUI. Launching soon!

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Flo writes Code

@FloWritesCode

2 years

`NavigationStack + NavigationPath + .navigationDestination` is the best that SwiftUI navigation could have become. Love it.

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Flo writes Code

@FloWritesCode

4 months

LaunchBuddy is 🆓 TODAY! Get for free (lifetime!) for today's WWDC start. ⭐⭐⭐⭐⭐ Please take a second to leave a rating as a thank you ❤️

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Flo writes Code

@FloWritesCode

2 years

Adding charts to your app is now easier than ever with the brand new `Swift Charts` framework for iOS 16!

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Flo writes Code

@FloWritesCode

1 year

I frequently get asked how you can create "half height" sheets with SwiftUI. Here's the solution: An API introduced at WWDC22, available in iOS 16 and up.

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Flo writes Code

@FloWritesCode

3 years

Today exactly one year ago I finally published my first app after getting back into iOS development in late 2020. Time flies 🐣

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@FloWritesCode

1 year

What a nice place :)

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Flo writes Code

@FloWritesCode

2 years

I am beyond excited to announce that I will hold my first conference talk at @swift_leeds this fall 🥳

SwiftLeeds

@swift_leeds

2 years

Are you ready for this? 🤩 We are SUPER excited to announce another speaker to our lineup this year. Please welcome @FloWritesCode to SwiftLeeds this year. Flo is very active online supporting and helping others with his regular #SwiftUI tips 🔥 #SwiftLeeds #iOS #Conference

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Flo writes Code

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2 years

I'm currently running TikTok, Youtube & Reddit Ads for LaunchBuddy. (Instagram soon as well) This is not only for my own education, but also to make a video on the topic so other indie developers can benefit from it. Obligatory LaunchBuddy link:

‎LaunchBuddy - Indie Developer

‎Stay organised while making apps! LaunchBuddy is a tool that helps you keep track of all projects you’re working on and releases that you have planned. In LaunchBuddy you can manage Apps, App Ideas,...

apps.apple.com

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Flo writes Code

@FloWritesCode

1 year

TIL: You can add `.animation()` to Bindings in SwiftUI to enable implicit animations when the value changes. `Toggle("My Label", isOn: $myBoolean.animation())` Found in this quick HWS article:

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Flo writes Code

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2 years

Goal achieved ✅

Flo writes Code

@FloWritesCode

2 years

And with that my monetization progress comes to an end. I mainly shared it to get motivated and stay accountable. Thanks for helping me with that :D

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Flo writes Code

@FloWritesCode

2 years

Give your favorite apps a nice rating & review! It helps them rank higher and most importantly can make the developer's day!

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Flo writes Code

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2 years

A quick reference to programmatic navigation in iOS 16 & SwiftUI. - Setup enum for navigation states - Add value to NavigationLinks - Empty array to pop to root - Add arbitrary enum cases to programmatically navigate (multiple layers) Intro Video:

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Flo writes Code

@FloWritesCode

8 months

There's still time to build an app for visionOS! 👓 Let me get you started with this playlist of visionOS tutorials:

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Flo writes Code

@FloWritesCode

2 years

🚀LaunchBuddy is now available for iOS! Get it for free: LaunchBuddy makes it easy to stay on track with your app releases & tasks. A new macOS version is also available (and needed to enable iCloud Sync).

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Flo writes Code

@FloWritesCode

1 month

I often build apps that have state depending on the current day. (like SickDays, where I check if the user has already logged their health today) This little ViewModifier refreshes a View's body when the app becomes active & it's a new day.

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Flo writes Code

@FloWritesCode

1 year

Also made a quick video about this example: This surely makes things easier. Next we'll have to look into MVVM + SwiftData - does it make more sense than it did with CoreData? I have a feeling that SwiftData wasn't made with MVVM in mind, but we'll see.

Flo writes Code

@FloWritesCode

1 year

A very basic example of MVVM in iOS 17. @.Observable "publishes" all variables of the ViewModel @.Bindable allows the View to create Bindings to them

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1 year

Hitting a 1/10 of Youtube is a nice feeling, especially after some rather unsuccessful videos in the past weeks. Learn about alternatives to `Spacer()` here:

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Flo writes Code

@FloWritesCode

1 year

Coding with a view on our way to @swift_leeds

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Flo writes Code

@FloWritesCode

1 year

This is how easy it is to create shortcuts for iOS 17. `\.$appTitle` is just a parameter of `CreateAppIdeaIntent` I just love the AppIntents framework...

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Flo writes Code

@FloWritesCode

1 year

Two days ago I didn't pay attention to my rings... and broke a streak of almost 600 days on my Apple Watch. By 3 kcal.

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Flo writes Code

@FloWritesCode

3 years

Want to check if two `Date` objects are on the same day? This is a one-liner, but it adds readability to your code, so it might be worth using.

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Flo writes Code

@FloWritesCode

2 years

Are you e.g. sharing your UserDefaults with an App Extension (like Widgets)? You can use the `.defaultAppStorage` ViewModifier to make sure it's used everywhere in @.AppStorage.

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2 years

iOS 15 introduced the `dismiss` EnvironmentValue, which behaves the same as `presentationMode.wrappedValue.dismiss()` while being shorter and easier to read.

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Flo writes Code

@FloWritesCode

2 years

Just spent around 15 minutes to build this little menu bar app. It's an easy way for me to copy links that I need daily (for tweets, etc.). Thinking about making a little video about it, is there any interest?

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Flo writes Code

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2 years

You can now add TextFields inside a SwiftUI Alert! Hint: No, the Alert does not support arbitrary Views, this is a new exception :)

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Flo writes Code

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1 year

@Dimillian My reaction was: Is that just a keynote slide? That doesn't look like iOS at all 😅

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Flo writes Code

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3 years

🛠 I’ve been hacking away at a brand new developer app for the past week and it’s finally out. XCLocalizer is a tool that automatically extracts Strings from your SwiftUI code and translates them to any language you’d like! Try it for 🆓 →

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Flo writes Code

@FloWritesCode

2 years

Find out how I coded 5 apps in under one hour using SwiftUI in my latest video! 📺

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Flo writes Code

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1 year

Visited the mothership today.

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Flo writes Code

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3 years

Creating your own EnvironmentValues in #SwiftUI is actually super easy and allows you to pass data through a View hierarchy without *actually* passing it to another View.

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Flo writes Code

@FloWritesCode

1 year

The new SF Symbol Effects are really cool!

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Flo writes Code

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3 years

It's finally time for the video I've been looking forward too since I first had the idea a few months ago! Thanks to everyone who invested time to make this happen 👇

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2 years

@.AppStorage is so easy to use, why isn't there @.SecureStorage for keychain?

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11 months

Did you know that it's super easy to create asymmetric transitions in SwiftUI?

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Flo writes Code

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1 year

Do you want to get started with building apps for visionOS? 🎥 Here's my playlist on the topic! We're building a simple SwiftUI app for the new platform. This playlist will be updated with new lessons in the future.

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Flo writes Code

@FloWritesCode

3 years

It's a common pain... Start doing marketing today with Forge ().

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Flo writes Code

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3 months

Is it only me or is there not much new for devs this WWDC? I feel like the SwiftUI additions are small (but nice!) and the only "big" change is to AppIntents, which we can't use in the iOS beta yet.

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Flo writes Code

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2 years

My newest video is doing really good and I reached a subscriber milestone today. 🙏🥳

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2 years

This is what WWDC does to an iOS-related Youtube channel!

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