Android application which prints pdf files on connected by Wifi Direct/Bluetooth printer -- 2

Detailed application requirments: 1. The application should be compatible with the api 15 - android 4.0.3, ([login to view URL]) 2. Tablet and one of below portable printer is paired with the Bluetooth, or WiFi Direct 3. Program must cooperate with one of the following printer(A4). Only one printer need to be supported. a) HP Officejet 100 Mobile or b) Epson WorkForce WF-100 EU ([login to view URL]) or c) Canon IP110 portable battery ( [login to view URL]?utm_source=Ceneo&utm_medium=email&utm_campaign=Promo ) 4. Printer is already paired with tablet (program does not need to have a pairing functionality) 5. On the main application there is just button: "Print" 6. After clicking the "Print", any default pdf (containing graph pages) is nicely printed by printer. Pdf file can be deployed with application or can located on tablet drive. The most important thing - printing of pdf files is working. 7. After successful printing, aplication displayes the information for user: "File has already been printed"