How do you approach performance optimization in mobile apps built with Flutter or React Native?

I recently updated mine, so it’s less than a year old. Do you think a more recent photo has a better impact?

I tackle performance optimization by focusing on efficient component rendering and managing state effectively. For Flutter, I use the DevTools suite, and for React Native, I rely on tools like Flipper.

I usually profile the app to identify performance bottlenecks, then optimize code in those areas - things like minimizing re-renders, caching data, and using async operations. Also make sure to test on lower-end devices. What specific techniques have worked well for you?

For Flutter, I focus on minimizing widget rebuilds and optimizing animations. Profiling tools are super helpful to spot performance bottlenecks

When optimizing mobile apps with Flutter or React Native, I concentrate on reducing unnecessary renders and leveraging efficient state management

First, managing state efficiently is key. In Flutter, I prefer tools like Provider or Riverpod to avoid unnecessary widget rebuilds, while in React Native, libraries like Redux or MobX help handle state effectively. Another crucial aspect is optimizing image and data loading. Using caching libraries like cached_network_image for Flutter or react-native-fast-image for React Native can greatly improve loading times and reduce memory usage. It's also important to lazy-load large data sets or images to minimize resource consumption. Reducing unnecessary re-renders is another helpful practice. For example, breaking down complex UIs into smaller, reusable components in Flutter or using tools like React.memo in React Native can keep the app running smoothly. Additionally, profiling tools like Flutter's DevTools or React Native's Flipper are valuable for identifying and fixing performance bottlenecks. Optimizing animations is equally important for a seamless user experience. In Flutter, using GPU-accelerated tools like rive or Lottie helps ensure animations are both smooth and efficient. For React Native, libraries like react-native-reanimated are great for creating GPU-optimized animations. By focusing on these areas, apps built with flutter ui can deliver high performance and a great user experience.