Android receipt scanner activity for exisiting application

Avg Bid (GBP)
Project Budget (GBP)
£20 - £9999

Project Description:
Require an activity/s writing for integration with an existing Android application for use between Gingerbread - Jellybean.

Activities should contain the following features:

Ability to scan receipts with the phone camera
Auto edge detect receipt and crop
Enhance image for clarity
Save to device with description added by user
Upload to cloud (potentially)
Search receipt by date
Convert scanned receipt to PDF
Combine multiple receipts into one PDF
Ability to email PDF as an attachment
File manager for saved files - ability to edit descriptions and delete
All error handling included

Complete source code will be required and you will have access to the current (basic) code which the application currently uses to create the PDFs (HTTP post to php server side script to convert and email).

Activities will need to be integrated into current application for which you will not have access to the source code. More details please message me. For an example of what I want please see the following application:

Skills required:
Android, Mobile Phone
About the employer:
Public Clarification Board
Bids are hidden by the project creator. Log in as the employer to view bids or to bid on this project.
You will not be able to bid on this project if you are not qualified in one of the job categories. To see your qualifications click here.

£ 14998
in 99 days
£ 9999
in 60 days
£ 4000
in 50 days
£ 9999
in 90 days
£ 4000
in 25 days
£ 500
in 5 days
£ 5000
in 45 days
£ 8000
in 45 days
£ 5000
in 60 days
£ 6000
in 60 days