一提到导航，都会想到用各类地图SDK导航，而我这里使用的是URL跳转多类地图导航，至于你说有什么好处啊，这个嘛。。。自己想吧
在plist文件配置白名单了
baidumap iosamap comgooglemaps
__block NSString *urlScheme = @"QQRunning://";
__block NSString *appName = @"appname";
__block CLLocationCoordinate2D coordinate = CLLocationCoordinate2DMake(locationLatitude,locationLongitude);
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"选择地图" message:nil preferredStyle:UIAlertControllerStyleActionSheet];
//这个判断其实是不需要的
if ( [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"http://maps.apple.com/"]])
{
/注意：坐标之间的转换（原项目中得到百度的经纬度，需要转换成高德的经纬度）
YQLocationTransform *beforeLocation = [[YQLocationTransform alloc] initWithLatitude:coordinate.latitude andLongitude:coordinate.longitude];
YQLocationTransform *afterLocation = [beforeLocation transformFromBDToGD];
CLLocationCoordinate2D coordinate1 = CLLocationCoordinate2DMake(afterLocation.latitude,afterLocation.longitude);
UIAlertAction *action = [UIAlertAction actionWithTitle:@"苹果地图" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
MKMapItem *currentLocation = [MKMapItem mapItemForCurrentLocation];
MKMapItem *toLocation = [[MKMapItem alloc] initWithPlacemark:[[MKPlacemark alloc] initWithCoordinate:coordinate1 addressDictionary:nil]];
[MKMapItem openMapsWithItems:@[currentLocation, toLocation]
launchOptions:@{MKLaunchOptionsDirectionsModeKey: MKLaunchOptionsDirectionsModeWalking,MKLaunchOptionsShowsTrafficKey: [NSNumber numberWithBool:YES]}];
}];
[alert addAction:action];
}
if ( [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"baidumap://"]])
{
UIAlertAction *action = [UIAlertAction actionWithTitle:@"百度地图" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
//调用百度的骑行导航
NSString *urlString = [[NSString stringWithFormat:@"baidumap://map/direction?origin={{我的位置}}&destination=latlng:%f,%f|name=%@&mode=riding&coord_type=bd09ll",coordinate.latitude, coordinate.longitude,addressStr] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
}];
[alert addAction:action];
}
if ( [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"iosamap://"]])
{
YQLocationTransform *beforeLocation = [[YQLocationTransform alloc] initWithLatitude:coordinate.latitude andLongitude:coordinate.longitude];
YQLocationTransform *afterLocation = [beforeLocation transformFromBDToGD];
UIAlertAction *action = [UIAlertAction actionWithTitle:@"高德地图" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
//1.调用高德地图的骑行导航
//[[NSString stringWithFormat:@"iosamap://navi?sourceApplication=%@&backScheme=%@&lat=%f&lon=%f&dev=0&style=2&t=2&mode=ride",appName,urlScheme,afterLocation.latitude, afterLocation.longitude]
// 2.调用高德地图的路线规划。 可根据实际情况进行选择
NSString *urlString = [[NSString stringWithFormat:@"iosamap://path?sourceApplication=%@&dlat=%f&dlon=%f&dname=%@&dev=0&t=3",urlScheme,afterLocation.latitude, afterLocation.longitude,addressStr] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
// iosamap://path?sourceApplication=applicationName&sid=BGVIS1&slat=39.92848272&slon=116.39560823&sname=A&did=BGVIS2&dlat=39.98848272&dlon=116.47560823&dname=B&dev=0&t=0
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
}];
[alert addAction:action];
}
if ( [[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"comgooglemaps://"]])
{
UIAlertAction *action = [UIAlertAction actionWithTitle:@"谷歌地图" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
NSString *urlString = [[NSString stringWithFormat:@"comgooglemaps://?x-source=%@&x-success=%@&saddr=&daddr=%f,%f&directionsmode=riding",appName,urlScheme,coordinate.latitude, coordinate.longitude] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
}];
[alert addAction:action];
}
UIAlertAction *action = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
[alert addAction:action];
[self presentViewController:alert animated:YES completion:^{
}];
以上代码，基本上已经够用了，唯一注意就是坐标经纬度的转换，贴下转换代码。
#import @interface YQLocationTransform : NSObject @property (nonatomic, assign) double latitude; @property (nonatomic, assign) double longitude; /** 初始化 */ - (id)initWithLatitude:(double)latitude andLongitude:(double)longitude; /* 坐标系： WGS-84：是国际标准，GPS坐标（Google Earth使用、或者GPS模块） GCJ-02：中国坐标偏移标准，Google Map、高德、腾讯使用 BD-09 ：百度坐标偏移标准，Baidu Map使用 */ #pragma mark - 从GPS坐标转化到高德坐标 /** 从GPS坐标转化到高德坐标 */ - (id)transformFromGPSToGD; #pragma mark - 从高德坐标转化到百度坐标 /** 从高德坐标转化到百度坐标 */ - (id)transformFromGDToBD; #pragma mark - 从百度坐标到高德坐标 /** 从百度坐标到高德坐标 */ - (id)transformFromBDToGD; #pragma mark - 从高德坐标到GPS坐标 /** 从高德坐标到GPS坐标 */ - (id)transformFromGDToGPS; #pragma mark - 从百度坐标到GPS坐标 /** 从百度坐标到GPS坐标 */ - (id)transformFromBDToGPS;
#import "YQLocationTransform.h"
#import <CoreLocation/CoreLocation.h>
static const double a = 6378245.0;
static const double ee = 0.00669342162296594323;
static const double pi = M_PI;
static const double xPi = M_PI * 3000.0 / 180.0;
@implementation YQLocationTransform
- (id)initWithLatitude:(double)latitude andLongitude:(double)longitude {
if (self = [super init]) {
self.latitude = latitude;
self.longitude = longitude;
}
return self;
}
- (id)transformFromGPSToGD {
CLLocationCoordinate2D coor = [YQLocationTransform transformFromWGSToGCJ:CLLocationCoordinate2DMake(self.latitude, self.longitude)];
return [[YQLocationTransform alloc] initWithLatitude:coor.latitude andLongitude:coor.longitude];
}
- (id)transformFromGDToBD {
CLLocationCoordinate2D coor = [YQLocationTransform transformFromGCJToBaidu:CLLocationCoordinate2DMake(self.latitude, self.longitude)];
return [[YQLocationTransform alloc] initWithLatitude:coor.latitude andLongitude:coor.longitude];
}
- (id)transformFromBDToGD {
CLLocationCoordinate2D coor = [YQLocationTransform transformFromBaiduToGCJ:CLLocationCoordinate2DMake(self.latitude, self.longitude)];
return [[YQLocationTransform alloc] initWithLatitude:coor.latitude andLongitude:coor.longitude];
}
- (id)transformFromGDToGPS {
CLLocationCoordinate2D coor = [YQLocationTransform transformFromGCJToWGS:CLLocationCoordinate2DMake(self.latitude, self.longitude)];
return [[YQLocationTransform alloc] initWithLatitude:coor.latitude andLongitude:coor.longitude];
}
- (id)transformFromBDToGPS {
//先把百度转化为高德
CLLocationCoordinate2D start_coor = [YQLocationTransform transformFromBaiduToGCJ:CLLocationCoordinate2DMake(self.latitude, self.longitude)];
CLLocationCoordinate2D end_coor = [YQLocationTransform transformFromGCJToWGS:CLLocationCoordinate2DMake(start_coor.latitude, start_coor.longitude)];
return [[YQLocationTransform alloc] initWithLatitude:end_coor.latitude andLongitude:end_coor.longitude];
}
+ (CLLocationCoordinate2D)transformFromWGSToGCJ:(CLLocationCoordinate2D)wgsLoc {
CLLocationCoordinate2D adjustLoc;
if([self isLocationOutOfChina:wgsLoc]) {
adjustLoc = wgsLoc;
}
else {
double adjustLat = [self transformLatWithX:wgsLoc.longitude - 105.0 withY:wgsLoc.latitude - 35.0];
double adjustLon = [self transformLonWithX:wgsLoc.longitude - 105.0 withY:wgsLoc.latitude - 35.0];
long double radLat = wgsLoc.latitude / 180.0 * pi;
long double magic = sin(radLat);
magic = 1 - ee * magic * magic;
long double sqrtMagic = sqrt(magic);
adjustLat = (adjustLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
adjustLon = (adjustLon * 180.0) / (a / sqrtMagic * cos(radLat) * pi);
adjustLoc.latitude = wgsLoc.latitude + adjustLat;
adjustLoc.longitude = wgsLoc.longitude + adjustLon;
}
return adjustLoc;
}
+ (double)transformLatWithX:(double)x withY:(double)y {
double lat = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * sqrt(fabs(x));
lat += (20.0 * sin(6.0 * x * pi) + 20.0 *sin(2.0 * x * pi)) * 2.0 / 3.0;
lat += (20.0 * sin(y * pi) + 40.0 * sin(y / 3.0 * pi)) * 2.0 / 3.0;
lat += (160.0 * sin(y / 12.0 * pi) + 320 * sin(y * pi / 30.0)) * 2.0 / 3.0;
return lat;
}
+ (double)transformLonWithX:(double)x withY:(double)y {
double lon = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * sqrt(fabs(x));
lon += (20.0 * sin(6.0 * x * pi) + 20.0 * sin(2.0 * x * pi)) * 2.0 / 3.0;
lon += (20.0 * sin(x * pi) + 40.0 * sin(x / 3.0 * pi)) * 2.0 / 3.0;
lon += (150.0 * sin(x / 12.0 * pi) + 300.0 * sin(x / 30.0 * pi)) * 2.0 / 3.0;
return lon;
}
+ (CLLocationCoordinate2D)transformFromGCJToBaidu:(CLLocationCoordinate2D)p {
long double z = sqrt(p.longitude * p.longitude + p.latitude * p.latitude) + 0.00002 * sqrt(p.latitude * pi);
long double theta = atan2(p.latitude, p.longitude) + 0.000003 * cos(p.longitude * pi);
CLLocationCoordinate2D geoPoint;
geoPoint.latitude = (z * sin(theta) + 0.006);
geoPoint.longitude = (z * cos(theta) + 0.0065);
return geoPoint;
}
+ (CLLocationCoordinate2D)transformFromBaiduToGCJ:(CLLocationCoordinate2D)p {
double x = p.longitude - 0.0065, y = p.latitude - 0.006;
double z = sqrt(x * x + y * y) - 0.00002 * sin(y * xPi);
double theta = atan2(y, x) - 0.000003 * cos(x * xPi);
CLLocationCoordinate2D geoPoint;
geoPoint.latitude = z * sin(theta);
geoPoint.longitude = z * cos(theta);
return geoPoint;
}
+ (CLLocationCoordinate2D)transformFromGCJToWGS:(CLLocationCoordinate2D)p {
double threshold = 0.00001;
// The boundary
double minLat = p.latitude - 0.5;
double maxLat = p.latitude + 0.5;
double minLng = p.longitude - 0.5;
double maxLng = p.longitude + 0.5;
double delta = 1;
int maxIteration = 30;
// Binary search
while(true) {
CLLocationCoordinate2D leftBottom = [[self class] transformFromWGSToGCJ:(CLLocationCoordinate2D){.latitude = minLat,.longitude = minLng}];
CLLocationCoordinate2D rightBottom = [[self class] transformFromWGSToGCJ:(CLLocationCoordinate2D){.latitude = minLat,.longitude = maxLng}];
CLLocationCoordinate2D leftUp = [[self class] transformFromWGSToGCJ:(CLLocationCoordinate2D){.latitude = maxLat,.longitude = minLng}];
CLLocationCoordinate2D midPoint = [[self class] transformFromWGSToGCJ:(CLLocationCoordinate2D){.latitude = ((minLat + maxLat) / 2),.longitude = ((minLng + maxLng) / 2)}];
delta = fabs(midPoint.latitude - p.latitude) + fabs(midPoint.longitude - p.longitude);
if(maxIteration-- <= 0 || delta <= threshold) { return (CLLocationCoordinate2D){.latitude = ((minLat + maxLat) / 2),.longitude = ((minLng + maxLng) / 2)}; } if(isContains(p, leftBottom, midPoint)) { maxLat = (minLat + maxLat) / 2; maxLng = (minLng + maxLng) / 2; } else if(isContains(p, rightBottom, midPoint)) { maxLat = (minLat + maxLat) / 2; minLng = (minLng + maxLng) / 2; } else if(isContains(p, leftUp, midPoint)) { minLat = (minLat + maxLat) / 2; maxLng = (minLng + maxLng) / 2; } else { minLat = (minLat + maxLat) / 2; minLng = (minLng + maxLng) / 2; } } } #pragma mark - 判断某个点point是否在p1和p2之间 static bool isContains(CLLocationCoordinate2D point, CLLocationCoordinate2D p1, CLLocationCoordinate2D p2) { return (point.latitude >= MIN(p1.latitude, p2.latitude) && point.latitude <= MAX(p1.latitude, p2.latitude)) && (point.longitude >= MIN(p1.longitude,p2.longitude) && point.longitude <= MAX(p1.longitude, p2.longitude));
}
#pragma mark - 判断是不是在中国
+ (BOOL)isLocationOutOfChina:(CLLocationCoordinate2D)location {
if (location.longitude < 72.004 || location.longitude > 137.8347 || location.latitude < 0.8293 || location.latitude > 55.8271)
return YES;
return NO;
}
百度官方方法，将WGS84和GCJ02转换为百度BD09坐标，如未对坐标参数进行设置，默认使用BD09坐标系。
CLLocationCoordinate2D coor = CLLocationCoordinate2DMake(39.90868, 116.3956);//原始坐标 //转换国测局坐标（google地图、soso地图、aliyun地图、mapabc地图和amap地图所用坐标）至百度坐标 NSDictionary* testdic = BMKConvertBaiduCoorFrom(coor,BMK_COORDTYPE_COMMON); //转换WGS84坐标至百度坐标(加密后的坐标) testdic = BMKConvertBaiduCoorFrom(coor,BMK_COORDTYPE_GPS); NSLog(@"x=%@,y=%@",[testdic objectForKey:@"x"],[testdic objectForKey:@"y"]); //解密加密后的坐标字典 CLLocationCoordinate2D baiduCoor = BMKCoorDictionaryDecode(testdic);//转换后的百度坐标