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2014/10/16 ¤W¤È 08:10:29
android Programming Glossary: bearingtoRotating an ImageView like a compass (with the “north pole” set elsewhere) http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere we choose to point it float direction azimuth LocationObj.bearingTo destinationObj rotateImageView arrow R.drawable.arrow direction.. we choose to point it float direction azimuth LocationObj.bearingTo destinationObj rotateImageView arrow R.drawable.arrow direction.. arrow R.drawable.arrow direction The problem is that bearingTo will give you a range from 180 to 180 which will confuse things..
Rotating an ImageView like a compass (with the “north pole” set elsewhere) http://stackoverflow.com/questions/7978618/rotating-an-imageview-like-a-compass-with-the-north-pole-set-elsewhere north Correct the azimuth azimuth azimuth 360 This is where we choose to point it float direction azimuth LocationObj.bearingTo destinationObj rotateImageView arrow R.drawable.arrow direction Set the field if baseAzimuth 0 baseAzimuth 45 fieldBearing.setText.. to be changed in your rotation calculations. This is where we choose to point it float direction azimuth LocationObj.bearingTo destinationObj rotateImageView arrow R.drawable.arrow direction The problem is that bearingTo will give you a range from.. azimuth LocationObj.bearingTo destinationObj rotateImageView arrow R.drawable.arrow direction The problem is that bearingTo will give you a range from 180 to 180 which will confuse things a bit. We will need to convert this value into a range from..
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