68 posts tagged with "Mobile Development"

KeyboardAvoidingView is the built-in React Native component for moving or resizing content when the software keyboard appears. It is useful for simple forms, authentication screens, checkout fields, profile edits, and support flows.

The tricky part is that keyboard behavior differs by platform, navigation header, safe area, scroll container, modal presentation, and Android window settings. Treat keyboard handling as a screen-level layout decision, not a wrapper you add around the whole app.

React Native performance work should start with measurement, not guesses. Most slow apps are not slow everywhere. They are slow on a few screens: feeds, checkout, chat, onboarding, maps, image grids, video playback, or cold start.

React Context and Redux solve different parts of the state problem. Context lets a parent make a value available deep in the component tree. Redux Toolkit gives you a predictable external store with reducers, actions, middleware, selectors, DevTools integration, and a mature ecosystem.

For React Native apps, the right answer is usually a mix: local component state for local UI, Context for low-frequency app-wide values, server-state tools or backend listeners for remote data, and Redux Toolkit only when global client state is complex enough to deserve a store.

Firebase and Supabase are both strong backend choices for React Native apps, but they optimize for different teams. Firebase gives you a mature Google-backed app platform. Supabase gives you a PostgreSQL-centered backend with SQL, Row Level Security, and an open-source stack.

Network bugs are some of the most common React Native production issues. A screen may fail because the request is wrong, the token is missing, Firebase rules reject the user, App Check blocks the call, the backend returns a 500, or the simulator cannot reach the host.

AWS Amplify is a framework that lets us develop a web or mobile application quickly. In this tutorial, we are going to continue to learn how to perform CRUD operations with the database by using GraphQL mutations. AWS Amplify has a complete toolchain wiring and managing APIs with GraphQL. The API we will be creating in this tutorial is a GraphQL API using AWS AppSync (a managed GraphQL service) and the database will be Amazon DynamoDB (a NoSQL database).

A bottom sheet is a mobile surface that slides up from the bottom of the screen. It is useful for filters, sorting controls, checkout options, map place details, share menus, comments, media actions, and short forms.

React Native bottom sheets are gesture-heavy. A production implementation needs more than a visible prop: it needs Gesture Handler, Reanimated, stable snap points, keyboard behavior, safe areas, scrollable content, and cleanup around navigation.

Animated.View is the built-in React Native way to animate a view's opacity, transform, position, and other supported styles. It is still useful for simple microinteractions: fade-ins, scale feedback, loading motion, card entrance animations, and small transitions that do not need complex gesture logic.

For heavy gesture-driven UI, shared element transitions, and UI-thread worklets, React Native Reanimated is usually the better tool. For simple screen polish, the core Animated API is still enough.

CodePush used to be the default answer for React Native over-the-air updates. That answer needs more context now. Microsoft retired Visual Studio App Center on March 31, 2025, and the hosted App Center workflow that many CodePush tutorials depended on is no longer a safe long-term default.

Socket.IO is useful when a React Native app needs low-latency, bidirectional communication: chat, typing indicators, live order status, dispatch dashboards, presence, auctions, multiplayer interactions, or collaborative workflows.

The important production detail is lifecycle. Mobile apps disconnect, reconnect, background, resume, rotate networks, and refresh auth tokens. A reliable Socket.IO integration handles those cases instead of creating one global socket that lives forever.