EDIT: I worked on this project years ago and unfortunately I cannot verify if any of the answers is working in the given scenario.
I am having hard time with one Web
In onCreate, instead of using wv.loadUrl(Constants.BLOG_URL); , just use wv.loadDataWithBaseURL(baseUrl, readFileAsString("index.html") , mimeType, "UTF-8", null);
onCreate
wv.loadUrl(Constants.BLOG_URL);
wv.loadDataWithBaseURL(baseUrl, readFileAsString("index.html") , mimeType, "UTF-8", null);