RNX5WebViewManager.java 文件源码

private WebView.PictureListener getPictureListener() {
    if (mPictureListener == null) {
        mPictureListener = new WebView.PictureListener() {
            @Override
            public void onNewPicture(WebView webView, Picture picture) {
                dispatchEvent(
                        webView,
                        new ContentSizeChangeEvent(
                                webView.getId(),
                                webView.getWidth(),
                                webView.getContentHeight()));
            }
        };
    }
    return mPictureListener;
}