iOS後台定位，即時向伺服器發送最新位置

標籤：

第一步，開啟後台模式，選中定位，選擇project --> capabilities-->Backgorund Modes --> Location updates

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第二步，在info.list 檔案中添加如下配置：

允許 http 請求 ，ios 9 之後需要添加，便於向伺服器發送請求<key>NSAppTransportSecurity</key> <dict> <key>NSAllowsArbitraryLoads</key> <true/> </dict>

添加定位許可權，ios8之後需要添加，否則無法定位<key>NSLocationWhenInUseUsageDescription</key> <string>YES</string> <key>NSLocationAlwaysUsageDescription</key> <string>YES</string>

第三步，代碼如下：

#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.    self.view.backgroundColor = [UIColor whiteColor];    self.title = @"後台定位";    self.locationManager = [[CLLocationManager alloc] init];    self.locationManager.delegate = self;    [self.locationManager setDesiredAccuracy:kCLLocationAccuracyBest];    if ([[UIDevice currentDevice].systemVersion floatValue] > 8)    {         /** 請求使用者權限：分為：只在前台開啟定位  /在後台也可定位， */         /** 只在前台開啟定位 *///        [self.locationManager requestWhenInUseAuthorization];         /** 後台也可以定位 */        [self.locationManager requestAlwaysAuthorization];    }    if ([[UIDevice currentDevice].systemVersion floatValue] > 9)    {         /** iOS9新特性：將允許出現這種情境：同一app中多個location manager：一些只能在前台定位，另一些可在後台定位（並可隨時禁止其後台定位）。 */        [self.locationManager setAllowsBackgroundLocationUpdates:YES];    }     /** 開始定位 */    [self.locationManager startUpdatingLocation];}#pragma mark -  定位代理方法- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{    CLLocation *loc = [locations objectAtIndex:0];    NSLog(@"經緯度  %f  %f ",loc.coordinate.latitude,loc.coordinate.longitude);    NSURLSession *session = [NSURLSession sharedSession];    NSURLSessionDataTask *task = [session dataTaskWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://ac.ybjk.com/ua.php"]] completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {//        NSLog(@"response  %@",response);        NSString *result = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];        NSLog(@"result %@",result);    }];    [task resume];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

 

iOS後台定位，即時向伺服器發送最新位置