iOS 应用内打开三方地图app直接导航

当然因为有需求喽。

疯狂试探
- (BOOL)canOpenURL:(NSURL *)url NS_AVAILABLE_IOS(3_0);

常用地图应用的url Scheme:

//百度地图  
baidumap
//高德地图
iosamap
//谷歌地图
comgooglemaps
//腾讯地图
qqmap
//其他地图省略
….

苹果地图不需要,iOS API提供了一个跳转打开方法。
注意IOS9之后,plist里面设置url scheme白名单

<key>LSApplicationQueriesSchemes</key>
<array>
<string>qqmap</string>
<string>comgooglemaps</string>
<string>iosamap</string>
<string>baidumap</string>
</array>

在下用的是高德坐标
高德转坐标类型枚举

//        AMapCoordinateTypeBaidu = 0,    ///<Baidu
// AMapCoordinateTypeMapBar, ///<MapBar
// AMapCoordinateTypeMapABC, ///<MapABC
// AMapCoordinateTypeSoSoMap, ///<SoSoMap
// AMapCoordinateTypeAliYun, ///<AliYun
// AMapCoordinateTypeGoogle, ///<Google
// AMapCoordinateTypeGPS, ///<GPS

在下试过转百度用AMapCoordinateTypeBaidu,这样一一对应的方式转,但跳转之后误差很大,后来我试着杂交匹配一下,所有地图使用Google转法最准,所以除高德地图都用了Google转出的坐标

重点来了!!!!

- (void)pushMapLan:(CGFloat)lan Lon:(CGFloat)lon pointName:(NSString *)title {

UIAlertController *alertSheet = [UIAlertController alertControllerWithTitle:title message:@"请选择以下驾车导航方式" preferredStyle:UIAlertControllerStyleActionSheet];

// 高德坐标转换百度坐标
CLLocationCoordinate2D gps = AMapCoordinateConvert(CLLocationCoordinate2DMake(lan,lon), AMapCoordinateTypeGoogle);
// --------------------------------------------------

if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"baidumap://"]]) {
NSMutableDictionary *baiduMapDic = [NSMutableDictionary dictionary];
baiduMapDic[@"title"] = @"百度地图";
NSString *urlString = [[NSString stringWithFormat:@"baidumap://map/direction?origin={{我的位置}}&destination=latlng:%f,%f|name=北京&mode=driving&coord_type=gcj02",gps.latitude,gps.longitude] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
baiduMapDic[@"url"] = urlString;
[alertSheet addAction:[UIAlertAction actionWithTitle:baiduMapDic[@"title"] style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:baiduMapDic[@"url"]]];
}]];
}

//高德地图
if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"iosamap://"]]) {
NSMutableDictionary *gaodeMapDic = [NSMutableDictionary dictionary];
gaodeMapDic[@"title"] = @"高德地图";
NSString *urlString = [[NSString stringWithFormat:@"iosamap://navi?sourceApplication=%@&backScheme=%@&lat=%f&lon=%f&dev=0&style=2",@"导航功能",@"poapoaaldoerccbadersvsruhdk",lan,lon] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
gaodeMapDic[@"url"] = urlString;
[alertSheet addAction:[UIAlertAction actionWithTitle:gaodeMapDic[@"title"] style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:gaodeMapDic[@"url"]]];
}]];
}

//谷歌地图
if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"comgooglemaps://"]]) {
NSMutableDictionary *googleMapDic = [NSMutableDictionary dictionary];
googleMapDic[@"title"] = @"谷歌地图";
NSString *urlString = [[NSString stringWithFormat:@"comgooglemaps://?x-source=%@&x-success=%@&saddr=&daddr=%f,%f&directionsmode=driving",@"驾车导航",@"poapoaaldoerccbadersvsruhdk",gps.latitude,gps.longitude] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
googleMapDic[@"url"] = urlString;
[alertSheet addAction:[UIAlertAction actionWithTitle:googleMapDic[@"title"] style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:googleMapDic[@"url"]]];
}]];
}

//腾讯地图
if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"qqmap://"]]) {
NSMutableDictionary *qqMapDic = [NSMutableDictionary dictionary];

qqMapDic[@"title"] = @"腾讯地图";
NSString *urlString = [[NSString stringWithFormat:@"qqmap://map/routeplan?from=我的位置&type=drive&tocoord=%f,%f&to=终点&coord_type=1&policy=0",gps.latitude,gps.longitude] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
qqMapDic[@"url"] = urlString;
[alertSheet addAction:[UIAlertAction actionWithTitle:qqMapDic[@"title"] style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:qqMapDic[@"url"]]];
}]];
}
NSMutableDictionary *iosMapDic = [NSMutableDictionary dictionary];
iosMapDic[@"title"] = @"苹果地图";
[alertSheet addAction:[UIAlertAction actionWithTitle:iosMapDic[@"title"] style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
CLLocationCoordinate2D gps = AMapCoordinateConvert(CLLocationCoordinate2DMake(lan,lon), AMapCoordinateTypeGoogle);

MKMapItem *currentLoc = [MKMapItem mapItemForCurrentLocation];
MKMapItem *toLocation = [[MKMapItem alloc] initWithPlacemark:[[MKPlacemark alloc] initWithCoordinate:gps addressDictionary:nil]];
toLocation.name = title;
NSArray *items = @[currentLoc,toLocation];
NSDictionary *dic = @{
MKLaunchOptionsDirectionsModeKey : MKLaunchOptionsDirectionsModeDriving,
MKLaunchOptionsMapTypeKey : @(MKMapTypeStandard),
MKLaunchOptionsShowsTrafficKey : @(YES)
};

[MKMapItem openMapsWithItems:items launchOptions:dic];
}]];

[alertSheet addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
}]];

[self presentViewController:alertSheet animated:YES completion:nil];

}

关于转换坐标,如果你用的是高德坐标系,除了高德地图不用转坐标系外,其他的都以高德sdk里转Google的方式转,保证目的地精确。
其他的就自己探索咯!
建议 第三方的转换方法【github】地址,找不到合适的尝试这个。

链接:https://www.jianshu.com/p/8622b6ff83b3

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