-Project built using android studio. uses build gradle. 
-src present in MobileGrading/app/src/main/java/com/mobile/bolt/
--Containts the following folders. 
---Async tasks: tasks that run on a seperate thread. 
---DAO: Data access object for class, Image and qr code tables. 
----Please check model for database desc.
---Model: Model for the datbase.
---Parser: parser for xml and json
---MobileGrading: Activities and adapters corresponding to the app
----Main Activity and grading screen are the two major activities. 
----Layout for the activity can be found in MobileGrading/app/src/main/res/layout/
---Similarity measure : cosine and jaccard similarity implementation. 
---Support:Other supporting classes.