fix_blank_pages.java

String[] methods = { "impl_updatePeer", "doUpdatePeer" };

for(String method : methods) {
    for(Method m : webView.getClass().getDeclaredMethods()) {
        if(m.getName().equals(method)) {
            if(!m.isAccessible()) {
                m.setAccessible(true);
            }
            try {
                m.invoke(webView);
            } catch(IllegalAccessException | InvocationTargetException e) {
                e.printStackTrace();
            }
            break;
        }
    }
}