Hi,
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Do you know if there are any potrntial memory leaks if I will apdate location of the pushpin with the rate that GPS sends its data? its like 10 times a sec...
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I think it is better to update once a second.
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Also kind of similar question if I have pushpin with the sahpe of the triangle how can I rotate it to show the direction of the movement
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You can add some bitmaps that indicates the direction and use them depending on current direction.
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how can I highlight the road where I have drove?
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You cannot, but you can connect each position with a line, highlight line or an arrow line in color of your choice.
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Does MP supports vector overlies like google maps?
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no.