Create an SMS sender android application

A simple android application. Have an easy to create UI with a settings and logs page. After starting have a simple and clean screen with a "settings", and a "logs" button. On tehe settings page you can change an url, and minutes string whitch you can save. On the logs page you can check the application logs created by the background process. The real to-do is working in background. The background process periodically checks the url (which can set and save on the settings page) Calling the Url gives as result normal json array output. You can walk away on the array, whitch contains messages and phone numbers. The background process have to send out the sms-s (using the cellular phone's api). From the customer (who will become an sms) will be seems if the phone holder sent the sms. (it is important, because this app will run on the customer-service phone. After sending an sms (and it has some status) it have to be send back to the REST api on the same url (to save the results). The background process results (started, found x items, item result is .. - have to log into an log file (or similar storage tech) The background process have to run periodically if the main appliocation is not running, or not in foreground. Normal phone sleeping times are allowed (not needed to to wake up phone every time)