An app developed for the boating community faced issues with battery consumption and crashes, prompting a three-month optimization project. By adjusting GPS usage, reducing unnecessary re-renders, and fixing headless mode transitions, the app's crash-free rate improved to nearly 99% while significantly enhancing battery efficiency.

The article outlines the initial steps in creating a high-performance photo list app in React Native, akin to Apple and Google Photos. It discusses efficient image loading techniques, such as batching and caching, the advantages of using Expo Image over React Native's default Image component, and the importance of optimizing with mipmaps. Additionally, it evaluates various list components to ensure a responsive user experience.