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What is the use of .kt classes in the React Native project

Why we use the kotlin in React Native?

25th Feb 2025, 10:48 AM
Shreepriya HA
1 Answer
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.kt files are Kotlin code used for Android-specific features in React Native. They come into play when you need to access device hardware or system APIs that aren’t covered by React Native’s JavaScript. For example, you’d write a Kotlin module to handle advanced Android features and connect it to your React Native app. Why choose Kotlin for React Native? Kotlin is cleaner and safer than Java, with simpler syntax. It’s great for writing Android modules in React Native because it’s easier to read, maintain, and works smoothly with existing Java code. This makes bridging complex Android logic to your React Native app less painful. EXAMPLE APPS: Apps like Microsoft Skype (call/notification modules), Walmart (sensor/background services), Discord (battery/push notifications), and a fitness app (step/heart-rate tracking) use Kotlin in React Native to bridge Android-specific features. Kotlin handles the "behind-the-scenes" Android work, while React Native powers the cross-platform UI.
25th Feb 2025, 11:22 AM
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