Tracking|旅遊線上App不用買

This application turns your iPhone in a kind of odometer. 

During your trip, by car or by bike, or by foot, using the internal GPS, it detects your current position every 15 seconds. At every step it computes and records current speed, average speed, total trip length, and total elapsed time. Locations are only recorded when the GPS position is better than 300 meters, or 0.18 Mil. otherwise are discarded. Speed precision depends on GPS accuracy, and may be rather imprecise on short distances.
 
When you launch the application, you can choose your preferred unit for distances (Km. or Miles).

Touching the first button, "Start new trip", you will clear all previously recorded data and will begin a new trip.

Touching the second button "Continue last trip", you will save all previous data, and will append the new data to the old ones.
 
The third button "Review last trip" allows you to show in sequence all the last trip steps, positioned on Google maps.
This application does not run in background, so if you want to keep it alive during a long trip, you should change the "Automatic Lock" parameter to "Never" in General Preferences menu. Keep in mind that a long time activity of the application will notably reduce the battery charge.


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