PhotoManager

##Difference with first specification

• This application get images by entering image URL, instead of taking picture from device camera.
• This application don't have search function yet.

##Using Libraries

• StickyListHeaders
• Glide

##Activity structure

• MainActivity
• For main story list
• 
• StoryViewActivity
• For viewing, editing each story
• 
• 
• FullscreenImage
• For viewing full-screen size image

##Database structure

StoryDB

• table 'story'
• column 'title': title of story (text type)
• column 'memo': memo of story (text type)
• column 'edited': edited datetime of story (timestamp type)
• table 'picture'
• column 'path': URL of image (text type)
• column 'story': foreign key references story row id

##Future works (see TODO items on android studio)

• Implement search function
• Show number of stories in each group
• Show confirm alert when user apply and cancel to edit story
• Implement function for delete story
• Implement removing image