Tim Johnsen – Medium

Tim Johnsen

Published in
iOS App Development

Low hanging fruit for iOS apps running on visionOS

Make your iOS app shine on visionOS

Feb 4, 2024

Low hanging fruit for iOS apps running on visionOS

Feb 4, 2024

Update: after talking with the developer of Ivory about this we found that it's a flaw in the way…

Jan 8, 2023

Jan 8, 2023

Published in
iOS App Development

Reduce share extension crashes from your app with this one weird trick!

Use NSData instead of UIImage

Dec 16, 2022

Reduce share extension crashes from your app with this one weird trick!

Dec 16, 2022

Published in
Instagram Engineering

Implementing Dark Mode in iOS 13

How we implemented dark mode at Instagram

Oct 8, 2019

Implementing Dark Mode in iOS 13

Oct 8, 2019

What’s New in Opener 1.8

Opener 1.8 is made for iOS 13!

Sep 19, 2019

What’s New in Opener 1.8

Sep 19, 2019

Opener 1.7

The latest update to Opener adds quick browser switching and refinements throughout.

Dec 7, 2018

Opener 1.7

Dec 7, 2018

Published in
iOS App Development

Extending UIActivityViewController

Improving the share menu on iOS

Aug 6, 2018

Extending UIActivityViewController

Aug 6, 2018

Three Years of Opener

Year in review for Opener's third birthday.

Jun 1, 2018

Three Years of Opener

Jun 1, 2018

Burst for iPhone

Turn your photo bursts into looping videos and animated GIFs

Mar 20, 2018

Burst for iPhone

Mar 20, 2018

What’s new in Opener 1.4

iOS 11 is here, and along with it we’ve got a sweet update to Opener ready!

Sep 20, 2017

What’s new in Opener 1.4

Sep 20, 2017

Tim Johnsen

Tim Johnsen

iOS developer at Retro.app. Previously Patreon, Instagram, Pinterest, Flipboard. Creator of Opener, Close-up, and other apps.

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