Brifing

How Bluesky Adds Its Logo to Screenshots

How does the logo appear when taking a screenshot on iOS?

Hacker News1 min

1Bluesky's Logo Method

Bluesky automatically adds its logo to screenshots, which is otherwise hidden in the app interface. This feature is concealed in the area where the 'Follow' button is located. When a screenshot is taken, the logo becomes visible. This subtle branding technique enhances visibility without disrupting the user experience.

2Technical Details

Bluesky achieves this feature using iOS's UITextField property. By enabling 'isSecureTextEntry', the content is hidden. When a screenshot is taken, iOS blanks the UITextField, revealing the logo. This technique leverages iOS's privacy-focused APIs.

3Similar Methods in Other Apps

Apps like Telegram and Signal use similar techniques. In 'secret' chats, certain content is hidden when a screenshot is taken. These methods are not yet blocked by Apple and are widely used.

4User Reactions

Bluesky's feature has sparked debates, with some users viewing it as an abuse of APIs. Discussion forums have seen criticism, while others find it beneficial for brand visibility.

5Developer Perspective

This feature is part of Bluesky's open-source code in the 'GrowthHack.tsx' file, added by developer mozzius in January 2026. It integrates with the 'expo-privacy-sensitive' package, utilizing iOS's privacy features to display the logo.

6Cross-Platform Differences

While this technique works on iOS, it doesn't have the same effect on other platforms like Android. Content is displayed as-is, highlighting Bluesky's iOS-specific optimization.

7Future Implications

Bluesky's method could serve as an example for other apps. Companies looking to enhance brand visibility might adopt similar techniques. However, Apple may impose restrictions on such API usage in the future.

8Conclusion and Significance

Bluesky's screenshot logo feature is both a technical achievement and a strategic branding move. It boosts brand awareness without disrupting user experience and could inspire other apps.

Original article: Hacker News — Bluesky'nin Ekran Görüntülerine Logo Eklemek İçin Kullandığı Yöntem