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For my application I want to calculate my car/bike speed using iphone. How can i do that? Ideally, it should run continuously in the background.
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The iPhone speed radar - easy-to-use speed measurement in your pocket, anytime, anywhere! A unique, advanced app designed to easily measure the speed of cars, boats, skaters, skiers, cyclists, animals, models, footballs, tennis serves, etc.
The formula for speed and distance is the same for a car as any other object: distance ÷ time. So if you want to calculate the speed of a car at sixty miles an hour, the math is (60 x 5280) ÷ (60 x 60) = 88 feet per second.
Ulysse Speedometer is one of the best speedometer apps for android 2020. This feature-rich app is a GPS speedometer that shows your speed in both digital and analog forms. It has other great features, which include displaying direction, speed, battery charge, and time.
Speed Box Free is a free speedometer, odometer and compass for the iPhone. Track your speed and distance from your iPhone!
CLLocation includes a speed property that will give you the current speed of the device. (Note the comment about the accuracy at that link.)
To get the user's current location, follow the steps in the Location Awareness Programming Guide, under "Getting the User's Current Location".
Finally, to enable location updates in the background, see Receiving Location Events in the Background in the iOS Application Programming Guide.
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