CLLocationManager 封装

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本文介绍了一个用于iOS设备的位置管理类ZJLocManager，该类通过CLLocationManager实现位置信息的获取，并提供持续定位及一次性定位的功能。文章详细展示了如何使用这个类来获取用户的位置信息，并提供了错误处理的方法。

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iOS的配置权限，问度娘

#import <CoreLocation/CoreLocation.h>

@interface ZJLocManager : CLLocationManager

+(instancetype)share;

/* 获取位置信息

* @param allows 是否持续定位

* @param successBlock 定位成功回调

-(void)locationIsAllows:(BOOL) allows SuccessBlock:(void(^)(NSString * locInfo,CLLocationCoordinate2D coord))successBlock;

@end

#import "ZJLocManager.h"

static ZJLocManager * manager = nil;

@interface ZJLocManager() <CLLocationManagerDelegate>

// 持续定位回调

@property(nonatomic,copy) void(^allowsSuccessBlock)(NSString * locInfo,CLLocationCoordinate2D coord);

// 只需定位一次回调

@property(nonatomic,copy) void(^successBlock)(NSString * locInfo,CLLocationCoordinate2D coord);

@end

@implementation ZJLocManager

+(instancetype) share {

static dispatch_once_t onceToken ;

dispatch_once(&onceToken, ^{

manager = [[ZJLocManager alloc] init];

manager.desiredAccuracy = kCLLocationAccuracyBest; //定位精确度

manager.distanceFilter = kCLDistanceFilterNone;//实时更新定位位置

if([manager respondsToSelector:@selector(requestAlwaysAuthorization)]){

[manager requestAlwaysAuthorization];

}

//该模式是抵抗程序在后台被杀，申明不能够被暂停

manager.pausesLocationUpdatesAutomatically = NO;

if (@available(iOS 9.0, *)) {

manager.allowsBackgroundLocationUpdates = NO;

}

});

return manager;

}

-(void)locationIsAllows:(BOOL)allows SuccessBlock:(void(^)(NSString * locInfo,CLLocationCoordinate2D coord))successBlock{

[self startZJLocation];

if(allows){

self.allowsSuccessBlock = successBlock;

}else{

self.successBlock = successBlock;

}

// 开始定位

-(void)startZJLocation{

manager.delegate = self;

[self startUpdatingLocation];

}

// 停止定位

-(void) stopZJLocation{

manager.delegate = nil;

[self stopUpdatingLocation];

}

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations {

CLLocation *newLocation = [locations lastObject];

CLGeocoder *geocoder = [[CLGeocoder alloc]init];

[geocoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray<CLPlacemark *> *_Nullable placemarks, NSError * _Nullable error) {

CLPlacemark *place = [placemarks firstObject];

NSDictionary *address = [place addressDictionary];

NSString * locInfo =[NSString stringWithFormat:@"%@-%@-%@-%@-%@",[address objectForKey:@"State"],[address objectForKey:@"City"],[address objectForKey:@"SubLocality"],[address objectForKey:@"Thoroughfare"],[address objectForKey:@"Name"]];

if(self.successBlock){

self.successBlock(locInfo,newLocation.coordinate);

self.successBlock = nil;

}

if(self.allowsSuccessBlock){

self.allowsSuccessBlock(locInfo,newLocation.coordinate);

}

// for (CLPlacemark *place in placemarks) {

// }

}];

}

-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{

if ([error code] == kCLErrorDenied){

//访问被拒绝

}

if ([error code] == kCLErrorLocationUnknown) {

//无法获取位置信息

//[MBProgressHUD showError:@"获取位置信息失败" ];

}

NSLog(@"获取定位信息失败");

}

@end