FlatUIImplementation.java 文件源码

public static FlatUIImplementation createInstance(
    ReactApplicationContext reactContext,
    List<ViewManager> viewManagers,
    EventDispatcher eventDispatcher,
    boolean memoryImprovementEnabled) {

  RCTImageViewManager rctImageViewManager = findRCTImageManager(viewManagers);
  if (rctImageViewManager != null) {
    Object callerContext = rctImageViewManager.getCallerContext();
    if (callerContext != null) {
      RCTImageView.setCallerContext(callerContext);
    }
  }
  DraweeRequestHelper.setResources(reactContext.getResources());

  TypefaceCache.setAssetManager(reactContext.getAssets());

  ViewManagerRegistry viewManagerRegistry = new ViewManagerRegistry(viewManagers);
  FlatNativeViewHierarchyManager nativeViewHierarchyManager = new FlatNativeViewHierarchyManager(
      viewManagerRegistry);
  FlatUIViewOperationQueue operationsQueue = new FlatUIViewOperationQueue(
      reactContext,
      nativeViewHierarchyManager);
  return new FlatUIImplementation(
    reactContext,
    rctImageViewManager,
    viewManagerRegistry,
    operationsQueue,
    eventDispatcher,
    memoryImprovementEnabled
  );
}