Added alert dialog to delete history. Correct bug that saves azimuth and pressure.
Display toast if nothing to delete. Add code to display clicked item in listView
Added new class cardinalpoints and modified main and compass activities to display cardinal abbreviations
Added action bar and subtitle and options functionality
added eclipse refs folder and added text files. Added button and icon to HistoryActivity.
Added function that writes folders and files to the SD card and corrects for the bug that prevents Windows Explorer via USB to refresh. Took 6 hours to figure this one out.
Created FileUtility.java class to manage SD card BUG. Cleaned up a lot of code and made it more readable. Prefixed date and time onto exported history files.
Added basic options menu structure. Programmed various data sampling intervals. Default is manual mode. Set to portrait only for Mainactivity.