Tag: dart

A monorepo with dozens of pubspec.yaml files makes the Dart analysis server build one analysis context per package, which is where the memory and the minute-long startup go. Convert to a pub workspace, exclude generated code in analysis_options.yaml, drop legacy analyzer plugins, and use the Insights page to prove it. Measured on Dart 3.12.2: 2.3x less peak memory and half the cold analysis time.

The advisories warning in pub get is harmless: pub get exits 0. pub.dev fixed the bad response on 2026-05-04. If you still see it, the cause is a mirror or proxy.

Keep a Flutter WebView on your own domain with webview_flutter 4.14.1: parse the URL, compare Uri.host instead of startsWith, hand mailto: and tel: to url_launcher, and know what Android and iOS actually send to onNavigationRequest.

Run a Flutter location tracker that survives the Home button, a swipe from recents and a reboot on Android 15 and 16: a location-typed foreground service in its own Flutter engine, the exact permissions, and the SecurityException you get when the while-in-use rules bite. Tested with geolocator 14.0.3 and flutter_foreground_task 11.0.3.

describeEnum has been deprecated since Flutter 3.16 and its removal PR is approved. How to replace every call with Enum.name (Flutter 3.47.4, Dart 3.13), handle enum-like classes and diagnostics, find the calls hiding in dependencies like flutter_svg 1.x, and what the build error looks like once it is gone.

Your app imports material_ui but google_fonts 8.2.1 still returns the SDK TextTheme. Build the TextTheme yourself from GoogleFonts.roboto tear-offs until google_fonts migrates.

The release APK shipped without libapp.so. Flutter 3.44.0 to 3.44.4 could drop it: upgrade to 3.44.5 or later and split the combined subprojects block.

dart fix takes one target directory and it can be the repo root: the analyzer opens a context per nested pubspec.yaml and migrates every package in one pass. Here is the full flag surface, the four things that silently suppress fixes and make a dirty repo report Nothing to fix, why the exit code is useless in CI, and a case where a Flutter transform emits code that does not compile.

ImageIcon flattens a multi-color PNG into a silhouette because it always applies ColorFilter.mode(iconThemeColor, BlendMode.srcIn). Flutter 3.47 adds useOriginalColors to switch that off. Here is why passing color: null never worked, what useOriginalColors silently drops, and the hand-rolled replacement for older SDKs.

flutter attach has no --flavor option, so the resident compiler it spawns never defines FLUTTER_APP_FLAVOR and the appFlavor const collapses to null on the first hot restart. Three fixes: default-flavor in pubspec.yaml, flutter run --use-application-binary, and a platform channel that reads the flavor natively. Verified on Flutter 3.47.2 / Dart 3.13.2.