SStacklyn Labs·1d agoFlutter Package Name Change and App Signing: Fixing MistakesWrong package name already live, lost keystore, Google Sign-In broken after the ID change? What Play and the App Store let you recover.11 min read·stacklynlabs.hashnode.dev
CCounterKit·2d agoYour AI built the app. These 3 holes ship with it.Your AI builder optimised for one thing: the demo works. It did not optimise for safe. Here are the three holes I find in almost every AI-built Firebase app — what they are, how they're exploited, and3 min read·counterkit.hashnode.dev
SSai Ram Kotha·2d agoGemini Nano Stops When Your App Leaves the Screen: What That BreaksGemini Nano only runs when your app is on screen. What that breaks, the two usage limits, and when a cloud fallback is the right call.8 min read·sairamkotha.hashnode.dev
VVela Apps·4d agoFirebase Dynamic Links is shut down: how to replace it in your mobile appFirebase Dynamic Links stopped on 25 August 2025. What it did, what you need to replace it, and six steps to migrate a mobile app.4 min read·velaapps.hashnode.dev
SSandeep Joshi·4d agoFCM UNREGISTERED Error: Requested Entity Was Not Found, and How to Fix ItFCM 404 UNREGISTERED means the device token no longer works. Why it happens, how to clean up tokens, and when it's a different error.6 min read·notifysphere.hashnode.dev
SSandeep Joshi·4d agoFCM SENDER_ID_MISMATCH (403) and messaging/mismatched-credential: How to Fix ItFCM 403 SENDER_ID_MISMATCH means your server sends from a different Firebase project than the app's token. How to find and fix it.5 min read·notifysphere.hashnode.dev
SSandeep Joshi·6d agoFix “No APNS token specified before fetching FCM Token” on iOS (React Native & Flutter)What the FCM error means on iOS and how to fix it in React Native, Flutter and Swift: capabilities, call order and swizzling.5 min read·notifysphere.hashnode.dev
SSai Ram Kotha·Nov 4Android: Gemini Nano, Firebase Hybrid and a Backend ProxyGemini Nano, Firebase AI Logic hybrid modes and a backend proxy for Android AI features, with the four modes and what to log.8 min read·sairamkotha.hashnode.dev
NNartan Naik·Nov 2From Copy - Pasting Usernames to One - Click Imports: Building CreatorLens AIHow I built CreatorLens AI, a Flutter, React and Firestore app that imports Instagram creators in bulk, and got past Vercel's 10-second limit.6 min read·nrtnnaik.hashnode.dev
CCounterKit·Nov 2Show dev.to: I built a complete ordering + house-tab system for small counters — plain JS + Firebase, live demo insideCounterKit is a small, self-hosted system for independent cafés, bakeries, and delis whose regulars order by name and run house tabs — the notebook-and-memory workflow, minus the notebook. Try it firs3 min read·counterkit.hashnode.dev
