Map, location Cllocationmanager Clgeocoder Clplacemark

Map, positioning one, basic knowledge point positioning: 1, Info.plist file Settings iOS8, use location to add two fields to the Info.plist file Nslocationalwaysusagedescription and NSLocationWhenInUseUsageDescription2 , import the Corelocation.framework framework and import the header file #import <corelocation/corelocation.h>3, determine if the location service opens if (![ Cllocationmanager locationservicesenabled]) {       NSLog (@ "Location not available");    }4, create location manager Cllocationmanager *_manager = [[Cllocationmanager alloc]init];5, determine if authorization is granted, if not authorized, send an authorization request if ( [Cllocationmanager authorizationstatus]==kclauthorizationstatusnotdetermined] {             [_manager requestwheninuseauthorization]; }6, Set Agent (cllocationmanagerdelegate) _manager.delegate=self;7, set precision _manager.desiredaccuracy=kcllocationaccuracybest;8 , set the positioning frequency, how many meters are positioned once _manager.distancefilter=10.0;9, start positioning [_manager startupdatinglocation];10, stop positioning [_manager Stopupdatinglocation];11, proxy Method-(void) Locationmanager: (Cllocationmanager *) Manager didfailwitherror: (Nserror *) error{   //Locating lossFail}-(void) Locationmanager: (Cllocationmanager *) Manager didupdatelocations: (Nsarray *) locations{    Cllocation *location = [locations Firstobject]; Cllocationcoordinate2d coordinate=location.coordinate;    NSLog (@ "Longitude:%f, Latitude:%f, Elevation:%f, heading:%f, travel speed:%f ", Coordinate.longitude,coordinate.latitude,location.altitude,location.course,location.speed);     Geocoding, according to the address of latitude and longitude, details, etc.     clgeocoder *geocode = [[clgeocoder alloc]init];     [GeoCode geocodeaddressstring:@ "Taishan"  completionhandler:^ (Nsarray *placemarks, Nserror *error) {         Clplacemark *place = [Placemarks firstobject];         cllocation *location = place.location;//position         clregion *region = place.region;//area         nsdictionary *dic = place.addressdictionary;//Detailed address information dictionary , including the following fields         Nsstring *name=place.name;//place name         nsstring *thoroughfare=place.thoroughfare;//Street         NSString *subthoroughfare=place.subthoroughfare; Street related information, such as house numbers         NSString *locality=place.locality; City         NSString *sublocality=place.sublocality; City-related information, such as iconic buildings         NSString *administrativearea=place.administrativearea ; State         Nsstring*subadministrativearea=place.subadministrativearea; Other administrative area information         NSString *postalcode=place.postalcode; Zip         nsstring *isocountrycode=place. Isocountrycode; Country code         NSString *country=place.country; National         NSString *inlandwater=place.inlandwater; Water, Lake         NSString *ocean=place.ocean; Ocean         Nsarray *areasofinterest=place.areasofinterest; Associated or interest-related landmarks    }]; Reverse geocoding, according to latitude and longitude to obtain the specific address information     cllocation*location=[[cllocation alloc]initwithlatitude:36.228 Longitude :117.042];    Clgeocoder *geocoder = [[clgeocoder alloc]init];    [Geocoder Reversegeocodelocation:location completionhandler:^ (Nsarray *placemarks, Nserror *error) {         Clplacemark*placemark=[placemarks firstobject];        NSLog (@ "More info:%@", Placemark.addressdictionary);   }]; Map: 12, import mapkit.framework, and import #import < Mapkit/mapkit.h> header file, implement Mkmapviewdelegate Protocol 13, create _mapview = [[Mkmapview alloc] initWithFrame: SELF.VIEW.BOUNDS];14, set proxy _mapview.delegate  = self;15, show user Location _mapview.showsuserlocation = YES;16, user Location Tracking _ Mapview.usertrackingmode = mkusertrackingmodefollow;//can be omitted, but needSet your map's zoom level 17, Proxy method: Get the user's current location-(void) Mapview: (Mkmapview *) Mapview didupdateuserlocation: (mkuserlocation*) userlocation{        Mkcoordinatespan Span=mkcoordinatespanmake (0.01, 0.01);         mkcoordinateregion Region=mkcoordinateregionmake ( UserLocation.location.coordinate, span);        [_mapview setregion: Region animated:true];//Set Map zoom level}18, map display range changed-(void) Mapview: (Mkmapview *) Mapview regiondidchangeanimated: (BOOL) animated{    NSLog (@ "Map display range has changed");} 19. Add pin mkpointannotation *point = [[mkpointannotation alloc]init];//Initialize point.title = @ "pin";// Title Point.subtitle = @ "I am a pin";//Sub-title Point.coordinate = Cllocationcoordinate2dmake (36.236867, 117.054895);//Latitude and longitude [_ MAPVIEW&NBSP;ADDANNOTATION:POINT];20, PIN is clicked-(void) Mapview: (Mkmapview *) Mapview Didselectannotationview: ( Mkannotationview *) view{    NSLog (@ "pin is clicked");} 21. Custom Pin View-(Mkannotationview *) Mapview: (Mkmapview*) Mapview viewforannotation: (id<mkannotation>) annotation{    if ([annotation isKindOfClass:[ Mkpointannotation class]) {//Determine if you have added pins         static nsstring * [email protected] "AnnotationKey1";        mkannotationview* annotationview=[_mapview dequeuereusableannotationviewwithidentifier:key1];//Get pin View         //If the cache pool does not exist, then new         if (!annotationview) {             Annotationview=[[mkannotationview alloc] Initwithannotation:annotation reuseidentifier:key1];            annotationview.canshowcallout=true;//allow interactive clicks                      annotationview.calloutoffset=cgpointmake (0, 1);// Define detail View Offset            UIButton *button = [uibutton buttonwithtype:uibuttontypecustom];           button.frame = CGRectMake (0, 0,;   ,         [Button setbackgroundimage:[uiimage imagenamed:@ icon_classify_ Cafe.png "] forstate:uicontrolstatenormal];             annotationview.leftcalloutaccessoryview=button;//definition details left view        }               //Modify PIN View         //Reset the PIN model for such a pin view (because it might be taken from the cache pool, where it was placed in the cache pool)          annotationview.annotation=annotation;        annotationView.image=[ uiimage imagenamed:@ "Icon_paopao_waterdrop_streetscape"];//set pin view picture                return annotationview;   }else {         return nil;   }}22, pin left or right view is clicked-(void) Mapview: (Mkmapview *) Mapview Annotationview: (Mkannotationview *) View calloutaccessorycontroltapped: (Uicontrol *) control{    if ([ Control Iskindofclass:[uibutton class]]) {        NSLog (@ "121212");    }}23, call system with map to navigate-(void) turnbyturn{   //According to "Taishan College" geocoding     Clgeocoder *_ Geocoder = [[Clgeocoder alloc] init];    [_geocoder geocodeaddressstring:@ "Taishan College"   completionhandler:^ (Nsarray *placemarks, Nserror *error) {        CLPlacemark * Clplacemark1=[placemarks firstobject];//Get the first landmark         Mkplacemark * mkplacemark1=[[mkplacemark alloc]initwithplacemark:clplacemark1];        //Note geocoding once onlyCan be positioned to a position, can not be located at the same time, placed in the first position to locate the completion callback function again positioning         [_geocoder geocodeaddressstring : @ "Shandong Province Taian Taishan Station"  completionhandler:^ (Nsarray *placemarks, Nserror *error) {             Clplacemark *clplacemark2=[placemarks firstobject];//get the first landmark              Mkplacemark *mkplacemark2=[[mkplacemark alloc] initwithplacemark:clplacemark2];            NSDictionary *[email protected]{mklaunchoptionsmaptypekey:@ (Mkmaptypestandard), Mklaunchoptionsdirectionsmodekey: mklaunchoptionsdirectionsmodedriving};//Set Navigation type              Mkmapitem *mapitem1=[[mkmapitem alloc]initwithplacemark:mkplacemark1];             Mkmapitem *mapitem2=[[mkmapitem alloc]initwithplacemark:mkplacemark2];             [mkmapitem openmapswithitems:@[mapitem1,mapitem2]  launchoptions:options];       }];    }];}  second, the specific code#import "ViewController.h"
1, first import header file #import <corelocation/corelocation.h>//Import header file 2, Info.plist file Settings, after iOS8, use location to add two fields Nslocationalwaysusagedescription and nslocationwheninuseusagedescription to the Info.plist file. @interface Viewcontroller () <cllocationmanagerdelegate>{
Cllocationmanager *manager;//Location Management} @end @implementation viewcontroller-(void) viewdidload {[Super Viewdidload]; 3, Determines whether access is allowed to locate if ([cllocationmanagerlocationservicesenabled]) {manager = [[Cllocationmanager alloc]init];// Initiation
NSLog (@ "Allow positioning");
Determine if the user has selected location access rights
if ([cllocationmanager authorizationstatus] = = 0) {
Re-eject the request if it is not already selected
[Manager Requestalwaysauthorization];
}
Set up Proxy
Manager.delegate = self;
Manager.distancefilter = 10;//How many meters to access one location
Manager.desiredaccuracy = accuracy of kcllocationaccuracybest;//positioning [manager startupdatinglocation];//start positioning [self get    Infobuyaddress]; }} 4, error message-(void) Locationmanager: (Cllocationmanager *) Manager didfailwitherror: (Nserror *) error{
NSLog (@ "%@", error);} 5. Print specific Content-(void) Locationmanager: (Cllocationmanager *) Manager didupdatelocations: (nsarray<cllocation *> *) locations{
NSLog (@ "--%zi---%@", locations.count,locations);
Cllocation *location = [locations Firstobject];
NSLog (@ "weidu:%f--jingdu:%f", location.coordinate.latitude,location.coordinate.longitude);
}6, geocoding-(void) getinfobuyaddress{
Clgeocoder *geo = [[Clgeocoder alloc]init];//Initialize encoding management
Geocoding, incoming addresses, getting specific information
[Geo geocodeaddressstring:@ "Zhoukou railway station" completionhandler:^ (Nsarray<clplacemark *> * _nullable placemarks, NSError * _ Nullable error) {
NSLog (@ "--Quantity:%zi information:%@", placemarks.count,placemarks);
Clplacemark *place = [Placemarks firstobject];
NSLog (@ "Latitude and Longitude:%f---%f", place.location.coordinate.latitude,place.location.coordinate.longitude);
NSLog (@ "Street:%@", Place.ocean);
}];
} 7, anti-geocoding: Get location information based on latitude and longitude-(void) getinfobuycoordinate{
Clgeocoder *geocoder = [[Clgeocoder alloc]init];
Cllocation *location = [[cllocation alloc]initwithlatitude:34.709895 longitude:113.509167];//defining position objects by latitude]
[Geocoder reversegeocodelocation:location completionhandler:^ (nsarray<clplacemark *> * _Nullable Placemarks, Nserror * _nullable error) {
NSLog (@ "Quantity:%zi Reverse:%@", placemarks.count,placemarks);

Clplacemark *place = [Placemarks firstobject];
NSLog (@ "Latitude and Longitude:%f,%f", place.location.coordinate.longitude,place.location.coordinate.latitude);
NSLog (@ "Street:%@", Place.ocean); }]; }

Map, location Cllocationmanager Clgeocoder Clplacemark