iOS8更新後定位問題CLLcationManage

標籤：

在IOS8更新以後以前的方法CLLocationManagerDelegate不調用didUpdateLocations

iOS8修改了位置設定裡的內容，增加了一套狀態（使用中可用／通常可用），所以以前的CLLcationManage的註冊後， 
Delegate介面不響應了，研究了一上午終於可以用了

說一下我的心得

（1）添加corelocation.framework

（2）在Info.plist中加入兩個預設沒有的欄位

• NSLocationAlwaysUsageDescription

• NSLocationWhenInUseUsageDescription

（3）匯入標頭檔

#import <CoreLocation/CoreLocation.h>

#import <CoreLocation/CLLocationManagerDelegate.h>

 

@interface PersonViewController : UIViewController<CLLocationManagerDelegate>{    CLLocationManager* locationManager;}@property (strong, nonatomic) CLLocationManager* locationManager;@end

 

（4）執行個體化並完成代理方法

-(void)startLocation{    [self.locationManager requestAlwaysAuthorization];    if ([CLLocationManager locationServicesEnabled]&&[CLLocationManager authorizationStatus] != kCLAuthorizationStatusDenied) {        self.locationManager = [[CLLocationManager alloc] init];        [self.locationManager setDesiredAccuracy:kCLLocationAccuracyBest];        self.locationManager.delegate = self;        if (__IPHONE_8_0) {            NSLog(@"here");            self.locationManager.distanceFilter = kCLDistanceFilterNone;            [self.locationManager setDesiredAccuracy:kCLLocationAccuracyNearestTenMeters];        }        NSLog(@"that‘s here");            [self.locationManager startUpdatingLocation];    }}- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status {    switch (status) {        case kCLAuthorizationStatusNotDetermined:        if ([locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {            [locationManager requestWhenInUseAuthorization];            }            break;        default:        break;    }}//定位代理經緯度回調-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{    [locationManager stopUpdatingLocation];    NSLog(@"location ok");    CLLocation *currentLocation = [locations firstObject];    NSLog(@"%@",[NSString stringWithFormat:@"經度:%3.5f\n緯度:%3.5f",currentLocation.coordinate.latitude,currentLocation.coordinate.longitude]);    CLGeocoder * geoCoder = [[CLGeocoder alloc] init];    [geoCoder reverseGeocodeLocation:currentLocation completionHandler:^(NSArray *placemarks, NSError *error) {        for (CLPlacemark * placemark in placemarks) {                        NSDictionary *test = [placemark addressDictionary];            //  Country(國家)  State(城市)  SubLocality(區)            NSLog(@"%@", [test objectForKey:@"State"]);            _locationCity.text = [test objectForKey:@"SubLocality"];        }    }];}- (void)locationManager:(CLLocationManager *)manager       didFailWithError:(NSError *)error {        if (error.code == kCLErrorDenied) {        NSLog(@"location%ld",(long)error.code);    }}

（5）設定開始定位結束定位

- (void)viewWillAppear:(BOOL)animated{    [super viewWillAppear:animated];    [self startLocation]; // 開始定位}- (void)viewWillDisappear:(BOOL)animated{    [super viewWillDisappear:animated];    [locationManager stopUpdatingLocation]; // 停止定位}

如果還不能定位的歡迎留言交流！

iOS8更新後定位問題CLLcationManage