Android App - TimeLogger

I m looking to for someone who can make a simple Android. This App will be used by employees to log there TimeIN and TimeOut. Its based on Geo Location so Employee will only be able to log in or Logout when they are near the Prescribed locations High Level the App will have following features 1) Register App - a) Authenticate with Google b) Pass Details to WebService for Authorisation c) Once Authorized by Webservice keep the information locally - User Name/Email/Mobile/Designation etc. 2) Application / 2 Screens a) Screen 1 -- (i) When this Screen is Active - Use App Location service as keep Fetching/Posting location on Web Service (ii) Based on WebService response * Enable "LOG TIME" Button to Log Data and change the color to green with appropriate message (LOG-IN or LOG-OUT) * or keep the Button disabled and Change the color to Grey (iii) When Button is pressed, post data to WebService (GeoLocation+Device Info) (iv) b) Screen 2 - (i) Get information from WebService and Display on Screen (Time IN/Time Out) based on lookup criteria (Date Duration) (ii) Keep Information Locally - for last 1 month 3) Others/Personal Preference a) Remind User to Log the time (TimeIN/TimeOut) - BY Notification b) Remind user to log in at time and day of week as set by user in the preference window c) if user logged in but forgot to logout remind on time as per preference set by user d) user will have option to disable these preferences