NJKWebViewProgress is a progress interface library for UIWebView. Currently, UIWebView doesn't have an official progress interface. You can implement a progress bar for your in-app browser using this module. NJKWebViewProgress doesn't use CocoaTouch's private methods. It's AppStore safe. This repository contains iOS 7 Safari style bar NJKWebViewProgressView. You can choose NJKWebViewProgressView, UIProgressView or your custom bar. You can determine the current state of the document by comparing the progress value to one of the provided constants.