RDRussel Dsouzainapplighter-blogs.hashnode.dev·45m ago · 13 min readMobile App Security Best Practices for React Native in 2026Mobile-based attacks are projected to grow more than 40% by 2026, but most breaches still trace back to a small set of unglamorous mistakes — a hardcoded key, a forgotten debug flag, a token in plaint00
RDRussel Dsouzainapplighter-blogs.hashnode.dev·1h ago · 9 min readThe Real Cost of Building React Native Auth From ScratchBuilding React Native authentication from scratch routinely takes 75 hours of senior-dev work and ships subtle bugs (the Apple Sign In fullName trap is the classic). The real surface area covers seven00
STSahil Tiwariinsahiltiwari.hashnode.dev·2d ago · 4 min readI Built an Offline QR Contact Sharing App Because I Can't Spell Under PressureThere's a specific kind of embarrassment that happens at networking events. You meet someone. The conversation goes well. They ask for your Instagram or email. You start typing it out loud while they 00
ASAsta Silvainastasilva.hashnode.dev·2d ago · 4 min readHow to Fix FCM "MismatchSenderId" in Multi-Environment Expo (EAS) BuildsHow to Fix MismatchSenderId in Expo EAS Push Notifications Across Multiple Environments If you are managing multiple environments (Staging, Preview, Production) in a React Native Expo app, setting up 00
RDRussel DSouzainideas8.hashnode.dev·4d ago · 8 min readBiometric Authentication in React Native: The UX Decisions That Matter More Than the CodeBiometric authentication in React Native is mostly solved at the code level — expo-local-authentication does the heavy lifting. The interesting problems are all UX: when do you prompt, what happens on10
RMRussel Melroy D Souzainletsdeployit.hashnode.dev·6d ago · 8 min readReact Native Performance Optimization — The 2026 PlaybookMost React Native performance advice in 2026 still talks about useMemo and skips the New Architecture. This playbook covers what actually moves the needle on a Pixel 4a: turn on Fabric + TurboModules 00
ASAsta Silvainastasilva.hashnode.dev·Jun 20 · 4 min readHow to Fix Expo's Cryptic Upgrade Trap: Android Resource Linking Failed (splashscreen_logo not found)How to Fix "resource drawable/splashscreen_logo not found" After an Expo SDK Upgrade Upgrading your Expo SDK version to keep up with the latest App Store and Google Play requirements is usually a smoo00
RDRussel Dsouzainapplighter-blogs.hashnode.dev·Jun 16 · 12 min readCross-Platform vs Native in 2026: The Debate Is Over (Here's Why)For ~95% of mobile apps shipped in 2026, cross-platform won. React Native and Flutter together cover >80% of new cross-platform work. The performance gap closed (Hermes + New Architecture for RN, Impe00
ASAsta Silvainastasilva.hashnode.dev·Jun 16 · 4 min readHow to Fix "Module Could Not Be Found" in React Native & ExpoWe’ve all been there. You find an awesome library, you run npx expo install, you import it into your code, and you start your development server. You expect magic. Instead, your simulator turns blindi00
PPPranav Pandeyinpranavdev.hashnode.dev·Jun 15 · 7 min readBanking on Expo: Multi-Tenancy in PracticeWe are building a white-label web + mobile platform — one codebase, many clients, each running what looks and feels like their own branded app. The core idea: a single tenant-agnostic frontend that re00