Mobile Apps are seeing an exponential growth as mobile devices of diverse features and sizes on the highly popular Android and iOS platforms are flooding the world markets. Developing and maintaining Apps efficiently is a complicated exercise in the volatile environment of multiple operating systems coupled with their frequent software updates and fixes. It is critical to choose the right application development framework so that you can stay in step with significant periodic updates.
What is React Native?
Since React Native is now released to open source community, it can extend beyond Android and iOS to other major mobile platforms in future.
How Does React Native Score Over Other Hybrid App Platforms?
React Native achieves its three-pronged focus of DOM (Document Object Model) abstraction, simplified programming capability and superior App performance through features that enable agile development supported by algorithms and tools that lead to optimum performance.
Diff Algorithm and Flexbox: Since the UI is declaratively rendered based on state, React Native uses a Diffing algorithm that sends the minimum number of changes necessary over the bridge to the native platform. This happens in a background thread keeping the UI thread-free. Though it is not supported even by native platform SDKs, it is the default feature in React Native.
On the other hand, Flexbox for Layout adjusts the views automatically based on device size without any manual declaration or sizing at development time. The by-product of this feature is concise code that is easy to follow and maintain. A new device size can be supported without any code modification.
Avoid Bottlenecks by Following these Best Practices
Using a right choice of components, conducting frequent code reviews and adopting the following best practices, ensure that any bottlenecks are identified early. They make the App development process much smoother despite the complexities posed by frequent releases, multiple platforms and diverse device range.
Basic App Development Practices
- Run the profiler early in your code to catch any performance and leakage issues
- Incorporate instruments during the initial stages to find issues early
- Run the profiler always in ‘Device’ instead of on a ‘Chrome Simulator’
- Run the performance test on the oldest supported device
- Run the profiler in release mode instead of in debug mode to assess and experience performance more accurately
Render Cycles: Speed up render cycles by maintaining appropriate default settings so that DOM is updated or view is re-rendered only when absolutely needed
Animation API: The available stock animations like screen transitions perform better than custom animations provided by third party libraries. Custom animations tend to slow down performance while draining the battery as well.
Frequent Releases: As React Native evolves fast, the libraries are constantly updated. Developers need to make sure that their Apps are updated as well in step with the latest version of React Native and its libraries.
React Native is the Future