iphone development Map Line key code share

Because of exposure to such a project, so the deep understanding of this function, relatively busy, so put the key code here, if there is a problem, please leave a message.

As follows: There may be offsets, which are not resolved here.

Here are a few ways to use the code:

Use the Google Maps API 3.0 protocol to resolve two latitude and longitude, to get the path of travel.

One of the more important methods:

}

This is the basic way to draw a line. Finally, a picture is generated.

Map Center Display

#pragma mark Mapview delegate functions
-(void) Mapview: (Mkmapview *) Mapview regionwillchangeanimated: (BOOL) animated
{
Route_view.hidden = YES;
}

-(void) Mapview: (Mkmapview *) Mapview regiondidchangeanimated: (BOOL) animated
{
[Self update_route_view];
Route_view.hidden = NO;
[Route_view Setneedsdisplay];
}

Original address: http://www.cocoachina.com/bbs/read.php?tid=71125

iphone development Map Line key code share