Development journal

Posts tagged: iOS

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Expo native builds

How to create Android and iOS app icons in Expo without Android cropping them

9 min read

Written by: Jonathan Reis on Aug 19, 2026

Use one editable icon source, an opaque iOS raster, and a transparent Android adaptive foreground so launcher masks do not crop your artwork.

Expo React Native Android iOS Adaptive icons App icons

Expo and React Native iOS

How to run your first iOS build of an Expo app in a pnpm monorepo

14 min read

Written by: Jonathan Reis on Aug 7, 2026

Step by step how I ran the first iOS build of an Expo app (Sudoku) that already built on Android, in a pnpm monorepo: prebuild, pod install, xcodebuild Release, simulator. Includes the three traps that block the build (babel, Hermes prebuilt, Firebase mock) and how to fix each one in versioned source files.

Expo React Native iOS pnpm Hermes CocoaPods