3. Development

1. Important classes

MainActivity

This class is responsible for the main functionality of the app. It handles the following:

• Authentification and GUI setup (#authAndGuiInit, #initActivity, #GuiSetup)
• Navigation (#onNavigationItemSelected)
• Reminder functions (#reminderServiceConnection, #notifyReminderService)
• Create/delete Lists (#addListToNav, #startListDialog, #onCustomMenuItemClickListener)
• Create tasks (#initFab)
• Filter tasks (#onOptionsItemSelected)
• Display tasks (#showAllTasks, #showTasksOfList)
• Long clicks operations on tasks (#onCreateContextMenu, #onContextItemSelected)
• Hints (#hints)

ExpandableTodoTaskAdapter

Manages the following functionality of a expandable task item:

• Set the view of a expandable task item (#getGroupView)
• Snackbar when deleting (#getGroupView)
• Filter and sorting conditions (#addSortCondition, #removeSortCondition, #filterTasks, #sortTasks)
• Computes progress of a task by done subtasks