ReactInstanceSingleton.java 文件源码

public static synchronized ReactInstanceManager getReactInstanceManager(
        Application application) {
    if (sSingletonManager == null) {
        ReactInstanceManager.Builder builder = ReactInstanceManager.builder()
                .setApplication(application)
                .setJSMainModuleName("index.android")
                .setUseDeveloperSupport(BuildConfig.DEBUG)
                        // TODO figure out the right thing to put here.
                .setInitialLifecycleState(LifecycleState.BEFORE_RESUME);

        for (ReactPackage reactPackage : getPackages()) {
            builder.addPackage(reactPackage);
        }

        builder.setBundleAssetName("index.android.bundle");
        sSingletonManager = builder.build();
    }
    return sSingletonManager;
}