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Created April 12, 2022 12:53
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package com.rnexpo;
import com.facebook.react.ReactActivity;
import com.facebook.react.ReactActivityDelegate;
import com.facebook.react.ReactRootView;
public class MainActivity extends ReactActivity {
* Returns the name of the main component registered from JavaScript. This is used to schedule
* rendering of the component.
protected String getMainComponentName() {
return "rnexpo";
* Returns the instance of the {@link ReactActivityDelegate}. There the RootView is created and
* you can specify the rendered you wish to use (Fabric or the older renderer).
protected ReactActivityDelegate createReactActivityDelegate() {
return new MainActivityDelegate(this, getMainComponentName());
public static class MainActivityDelegate extends ReactActivityDelegate {
public MainActivityDelegate(ReactActivity activity, String mainComponentName) {
super(activity, mainComponentName);
protected ReactRootView createRootView() {
ReactRootView reactRootView = new ReactRootView(getContext());
// If you opted-in for the New Architecture, we enable the Fabric Renderer.
return reactRootView;
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