Use Cases

UC 01.01

Item	Description
Title	Add Mood Event
Primary Actor	User
Goal	Add a mood event for the user
Trigger	Click on add mood event button
Precondition	Want to record a mood event
Postcondition	Mood event added and shows the date and time, a required emotional state, optional trigger, and optional social situation. Emotional states has been chosen(anger, confusion, disgust, fear, happiness, sadness, shame, and surprise).
Basic Flow	System start a new activity which allows user to input text, add pic, choose mood state, social situation, trigger and location. User input text User add picture User click on the pull down menu System shows the items in the pull down menu for user to choose User choose a mood state given by the system User click on the Social Situation pull down menu System shows the social situation for user to choose User choose a social situation User input the trigger User click on the Location System shows a checkbox User click on the checkbox System find the current location of the user and save it User click on the ‘check’ button on the top right corner System change the activity to the main activity and shows the current mood event of the user
Exceptions	Can’t add mood event The size of picture exceeds the limit
Related Use Cases	UC 02.01.01 & UC 02.02.01 & UC 02.03.01 & UC 02.04.01
Related User Stories	US 01.01.01 & US 01.01.02 & US 02.04.01
Test Cases

UC 01.02

Item	Description
Title	Delete Mood Event
Primary Actor	User
Goal	Delete a mood event for the user
Trigger	Click on delete event button
Precondition	Want to delete the mood event
Postcondition	Selected mood will be removed from the Mood History list.
Basic Flow	The delete button of a selected mood is pressed in the Main page or View Details page The selected mood will be removed from Mood History List Refresh the Mood History List
Exceptions	The mood doesn’t belong to the user, cannot be deleted
Related Use Cases	UC 01.04
Related User Stories	US 01.06.01
Test Cases