UIImplementation.java 文件源码

/**
 * Invoked by React to create a new node with a given tag, class name and properties.
 */
public void createView(int tag, String className, int rootViewTag, ReadableMap props) {
  ReactShadowNode cssNode = createShadowNode(className);
  ReactShadowNode rootNode = mShadowNodeRegistry.getNode(rootViewTag);
  cssNode.setReactTag(tag);
  cssNode.setViewClassName(className);
  cssNode.setRootNode(rootNode);
  cssNode.setThemedContext(rootNode.getThemedContext());

  mShadowNodeRegistry.addNode(cssNode);

  ReactStylesDiffMap styles = null;
  if (props != null) {
    styles = new ReactStylesDiffMap(props);
    cssNode.updateProperties(styles);
  }

  handleCreateView(cssNode, rootViewTag, styles);
}