Flutter Ios Build Dark Mode Logout Debugging

Flutter iOS Deployment Debugging Collection: 5 Build Errors + Dark Mode Hardcoding + Logout Bug

I was trying to push a build when multiple issues hit at once. The code generator failed, files were missing, the build number got rejected, UI had hardcoded dark mode colors, and logout wasn’t clearing tokens. Going through them one by one. 1. Retrofit Optional Parameter Syntax Error -> .g.dart Generation Failure Symptoms When running dart run build_runner build, some API service files produce: Expected to find ')' Cause Wrong placement of optional parameters ({}) in Retrofit abstract methods. ...

2025-11-01 · 6 min read · Seunghan
Flutter Glassappbar Tabbar Overflow Colors White Lightmode

Flutter UI Full Audit — GlassAppBar TabBar Overflow and Colors.white Light Mode Bug

When you build a Flutter app long enough, there are two bugs you inevitably encounter at least once. One is the bottom overflowed by N pixels error, the other is text becoming invisible against the background in light mode. Both have simple causes, but until you do a full audit of all screens, it’s easy to just think “something’s off on a few screens.” It wasn’t until I swept through all 50 pages of the app that the pattern became clear. ...

2025-09-24 · 4 min read · Seunghan
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