Android document App

o On - install application registers itself as capable of opening Acrobat and MS Office documents, and its logo will appear on every \"Open With\" menu of any document or attachment on target device.\r\no Application has one main UI element, namely, Log-In screen. Login screen asks user to provide his existing email and password and ether logs-in or displays appropriate error messages.\r\no When User chooses to open some document in our app, the app uploads existing document / attachment to a server, and receiving response that consists ether or error code, or some redirect page address, or new file (in the form of byte array) and appropriate view - control - options.\r\no While downloading / uploading data, application should display progress bar and appropriate messages.\r\no In the case of receiving new file, application opens it using default OS document viewer (or any type of viewer that does not require uploading to 3\'rd party server) strictly in according to the following rules: (strictly controllable view options).\r\n1. The view mode is read only by default.\r\n2. From this view , user will have access only to the following options:\r\no Print (only if authorized)\r\no Copy (only if authorized and if this option supported by viewer)\r\no All \'default\' options such as \"EMAIL\",\"SMS\",\"OPEN IN OTHER APP\", \"SEND\" and all other \"automatic\" options that view might support must be automatically disabled.\r\no If PRINT option is enabled, when user clicks on it, it should be reported to the server.\r\no Bonus: Application detects \"Screen Snapshot\" of opened document and reports this activity to the server. (You can get more if you supply this possibility).