1. location service使用

   

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   ios8之前l(fā)ocationservice在應(yīng)用開啟

   self.locationManager = [[CLLocatonManager alloc] init]

   [self.locationManager startUpdatingLocation];

   在iOS8上需要加上kCLAuthorizationStatusAuthorizedAlways，在app中的info.plist中添加NSLocationAlwaysUsageDescription 或者 NSLocationWhenInUseUsageDescription其中一個(gè)key，value的值可以任意填寫，會(huì)在請(qǐng)求獲取位置的對(duì)話框中顯示

   請(qǐng)求獲取位置權(quán)限

        // iOS 8 - request location services via requestWhenInUseAuthorization.

        if ([self.locationManager respondsToSelector:@selector(requestWhenInUseAuthorization)]) {

            [self.locationManager requestWhenInUseAuthorization];

        } else {

            // iOS 7 - We can't use requestWhenInUseAuthorization -- we'll get an unknown selector crash!

            // Instead, you just start updating location, and the OS will take care of prompting the user

            // for permissions.

            [self.locationManager startUpdatingLocation];

          }

        實(shí)現(xiàn)代理方法，當(dāng)獲取到這個(gè)權(quán)限時(shí)

 - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status

{

    // We only need to start updating location for iOS 8 -- iOS 7 users should have already

    // started getting location updates

    if (status == kCLAuthorizationStatusAuthorizedAlways ||

        status == kCLAuthorizationStatusAuthorizedWhenInUse) {

        [manager startUpdatingLocation];

    }

}

2.ios8設(shè)置獲取通知的權(quán)限和之前有所不同

#ifdef __IPHONE_8_0

   if(SYSTEM_VERSION_LESS_THAN(@"8.0")){

       UIRemoteNotificationType myTypes =UIRemoteNotificationTypeBadge |UIRemoteNotificationTypeAlert |UIRemoteNotificationTypeSound;

        [[UIApplicationsharedApplication]registerForRemoteNotificationTypes:myTypes];

    }

    else{

       UIUserNotificationSettings* notificationSettings = [UIUserNotificationSettingssettingsForTypes:UIUserNotificationTypeAlert |UIUserNotificationTypeBadge |UIUserNotificationTypeSoundcategories:nil];

        [application registerUserNotificationSettings:notificationSettings];

        [applicationregisterForRemoteNotifications];

    }

#else

    UIRemoteNotificationType myTypes = UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound;

    [[UIApplication sharedApplication] registerForRemoteNotificationTypes:myTypes];

#endif

獲取remotenotification

-(void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler{

    completionHandler(UIBackgroundFetchResultNewData);

   NSLog(@"remote notifation %@",userInfo);

}

//獲取到推送的通知

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo{

}

設(shè)置setbadgeNumber

- (void)setApplicationBadgeNumber:(NSInteger)badgeNumber

{

   UIApplication *application = [UIApplicationsharedApplication];

#ifdef __IPHONE_8_0

   // compile with Xcode 6 or higher (iOS SDK >= 8.0)

   if(SYSTEM_VERSION_LESS_THAN(@"8.0"))

    {

        application.applicationIconBadgeNumber = badgeNumber;

    }

    else

    {

       if ([selfcheckNotificationType:UIUserNotificationTypeBadge])

        {

           NSLog(@"badge number changed to %d", badgeNumber);

            application.applicationIconBadgeNumber = badgeNumber;

        }

        else

           NSLog(@"access denied for UIUserNotificationTypeBadge");

    }

#else

   // compile with Xcode 5 (iOS SDK < 8.0)

    application.applicationIconBadgeNumber = badgeNumber;

#endif

}