Writing about development and technology.
Apple and Google reviewers are tough. Avoid rejection by fixing Test Account login issues, Privacy Policy gaps, IPv6 networking failures, and UGC content moderation policies.
Think Android is easier than iOS? Meet Gradle Hell. Learn to fix minSdkVersion conflicts, Multidex limit errors, Namespace issues in Gradle 8.0, and master dependency analysis with `./gradlew dependencies`.
Build failed overnight? Master CocoaPods dependency hell, Apple Silicon (arm64) conflicts, Code Signing, and Provisioning Profiles. Stop guessing and start fixing.
App freezes in the elevator? Build a robust offline experience using connectivity_plus, Hive caching, Optimistic UI updates, and Background Sync with WorkManager.
Stop forcing users to login every time. Learn how to implement seamless JWT Token Refresh using Dio Interceptors, request queuing, and silent retry logic.
App crashed with TypeError? Learn why 'Null is not a subtype of String' happens and how to make your JSON parsing bulletproof with Zod/Freezed.
Server down? Don't let the user stare at a spinner forever. Learn to set timeouts in http/Dio, implement Retry Logic, and handle errors gracefully.
Main screen loads before user settings are ready? Compare 3 strategies: Awaiting in main(), Splash Screen, and AppLoadingWidget.
Images failing to load? Learn to master `cached_network_image`, optimize memory cache, handle 404 errors gracefully, and debug SSL handshake issues.
Lost your scroll position after switching tabs? Discover PageStorage and PageStorageKey to save UI state without keeping widgets alive.
Page navigation cleared your data? Riverpod's autoDispose might be the culprit. Master caching with keepAlive, invalidate, and family modifiers.
Wrapped it in Provider, but still getting an error? Understand BuildContext and the Widget Tree ancestry to banish ProviderNotFoundException forever.
You called setState, but the screen ignored you. Understand Reference Equality and Immutability in Dart to fix silent UI update failures.
Why does the image reload when I just updated a counter? Fix flickering by avoiding Futures in build(), using const constructors, and AutomaticKeepAliveClientMixin.
Keyboard closes after every keystroke? You likely initialized the controller inside build(). Master the lifecycle of TextEditingController.
The user's photo is squashed like a cucumber. The designer is furious. Understand BoxFit strategies and use AspectRatio for perfect framing.
The era of rectangular screens ended with iPhone X. Protect your UI from notches and home indicators, and learn when NOT to use SafeArea.
Yellow stripes appear when the keyboard pops up? Learn how to handle layout overflows using resizeToAvoidBottomInset, SingleChildScrollView, and tricks for chat apps.
Why does putting a ListView inside a Column cause a white screen or crash? Understand the 'Unbounded Height' paradox and solve it elegantly with Expanded and Slivers.
The yellow/black striped nightmare every Flutter dev faces. Wrapping with Expanded isn't always the answer. Master Flutter's Constraints system.
