thunderbird-android/docs/DESIGN.md

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2019-01-11 10:26:44 +00:00
# Repository structure
The project is divided into several directories below which are nested gradle projects.
## app
This contains the highest level code such as UI and core logic.
## backend
APIs for sending and receiving messages
## mail
Low level code for dealing with internet mail protocols
## plugins
Additional, standalone, libraries used by K-9
![modules](Modules.png)
# Walkthrough
To help you understand the design, the following sequence diagrams show typical flows through the
classes. Each class is colour-coded by its top-level project.
## Reading email
![read email sequence](ReadEmail.png)
![read email classes](ReadEmailClasses.png)
## Sending email
![send email sequence](SendEmail.png)