ReactActivity.java 文件源码

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mReactRootView = new ReactRootView(this);
    mReactInstanceManager = ReactInstanceManager.builder()
        .setApplication(getApplication())
        .setBundleAssetName("index.android.bundle")
        .setJSMainModuleName("index.android")
        .addPackage(new MainReactPackage())
        .setUseDeveloperSupport(BuildConfig.DEBUG)
        .setInitialLifecycleState(LifecycleState.RESUMED)
        .addPackage(new NativeActivityPackage())
        //.setUseOldBridge(true) // uncomment this line if your app crashes
        .build();
    mReactRootView.startReactApplication(mReactInstanceManager, "HelloWorld", null);

    setContentView(mReactRootView);
}