tooot/android/app/src/main/java/com/xmflsct/app/tooot/MainApplication.java

package com.xmflsct.app.tooot;

import android.app.Application;
import android.content.res.Configuration;
import androidx.annotation.NonNull;

import com.facebook.react.PackageList;
import com.facebook.react.ReactApplication;
import com.facebook.react.ReactNativeHost;
import com.facebook.react.ReactPackage;
import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint;
import com.facebook.react.defaults.DefaultReactNativeHost;
import com.facebook.soloader.SoLoader;

import expo.modules.ApplicationLifecycleDispatcher;
import expo.modules.ReactNativeHostWrapper;

import java.util.List;

public class MainApplication extends Application implements ReactApplication {
  private final ReactNativeHost mReactNativeHost = new ReactNativeHostWrapper(
    this,
    new ReactNativeHostWrapper(this, new DefaultReactNativeHost(this) {
    @Override
    public boolean getUseDeveloperSupport() {
      return BuildConfig.DEBUG;
    }

    @Override
    protected List<ReactPackage> getPackages() {
      @SuppressWarnings("UnnecessaryLocalVariable")
      List<ReactPackage> packages = new PackageList(this).getPackages();
      // Packages that cannot be autolinked yet can be added manually here, for example:
      // packages.add(new MyReactNativePackage());
      return packages;
    }

    @Override
    protected String getJSMainModuleName() {
      return "index";
    }

    @Override
    protected boolean isNewArchEnabled() {
      return BuildConfig.IS_NEW_ARCHITECTURE_ENABLED;
    }
    @Override
    protected Boolean isHermesEnabled() {
      return BuildConfig.IS_HERMES_ENABLED;
    }
  }));

  @Override
  public ReactNativeHost getReactNativeHost() {
    return mReactNativeHost;
  }

  @Override
  public void onCreate() {
    super.onCreate();
    SoLoader.init(this, /* native exopackage */ false);

    if (BuildConfig.IS_NEW_ARCHITECTURE_ENABLED) {
      // If you opted-in for the New Architecture, we load the native entry point for this app.
      DefaultNewArchitectureEntryPoint.load();
    }
    // ReactNativeFlipper.initializeFlipper(this, getReactNativeHost().getReactInstanceManager());
	    ApplicationLifecycleDispatcher.onApplicationCreate(this);
	  }
	 
	  @Override
	  public void onConfigurationChanged(Configuration newConfig) {
	    super.onConfigurationChanged(newConfig);
	    ApplicationLifecycleDispatcher.onConfigurationChanged(this, newConfig);
  }
}