@Override public CatalystInstance build() { return new CatalystInstanceImpl.Builder() .setReactQueueConfigurationSpec(ReactQueueConfigurationSpec.createDefault()) .setJSExecutor(new JSCJavaScriptExecutor(new WritableNativeMap())) .setRegistry(mNativeModuleRegistryBuilder.build()) .setJSModulesConfig(mJSModulesConfigBuilder.build()) .setJSBundleLoader(JSBundleLoader.createFileLoader( mContext, "assets://AndroidTestBundle.js")) .setNativeModuleCallExceptionHandler( new NativeModuleCallExceptionHandler() { @Override public void handleException(Exception e) { throw new RuntimeException(e); } }) .build(); }