The native solution for Android is Java or Kotlin , but React Native and Flutter can compile to Android. Android & iOS can be friends again if you choose React-Native or Flutter.
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We can now bridge Kotlin in React Native . In the post, it explains that native modules usually extend the ReactContextBaseJavaModule class and implement the required functions required by JavaScript to bridge to this modules. Also in Android, native modules have to be registered in order to be accessed by JavaScript.21 Oca 2018
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