mallikakhullar / chatbot

Personality-imitation chat bot

Version 1 - Basic

Version 2 - Persist on Restart

Version 3 - Retry on Internet

Views

• Singular Activity - ChatActivity (thin Activity only responsible for UI updates).
• RecyclerView Adapter - ChatAdapter
• RecyclerView Items - ChatViewHolder

Data Model

• Simple Chat data POJO - ChatMessageContainer, ChatMessageData
• Single conversation POJO - ChatThread

Controllers

• NetworkController - with static methods of POST/GET Volley requests
• Router - Currently simple but can be extended for more functionality
• ChatActivityController - acts as a presenter in the MVP pattern. Can be implemented as an actual Presenter using Injection later.

Persistence Mechanism

• SharedPreferencesController - Singleton
• Assumption: Data stays simple with 2,3 variables only
• Extended message functionality like forward, delete, reply etc. are not required in the assignment
• Extended data functionality like searching, sorting are not required in the assignment

Libraries Used

• Butterknife
• Volley
• CircularImageView

Possible Sources of Bugs

• JSON parsing - not accounting for 'optional' variables
• Unit testing - an actual MVP pattern would have made modules easier to unit test
• Have not yet implemented going-away of keyboard on scrolling the RecylerView