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[IOS开发教程] iOS 高德地图仿微信发送实时位置

发表于 2018-4-13 08:00:05

最近项目中要写一个微信那种发送位置的功能。具体功能在于:

- 定位到当前位置

- 可定位当前位置附近的Poi

- 可自行搜索目标位置,并展示附近的poi

- 选择当前位置或者选择目标位置进行发送

一.准备工作

1.首先去高德地图官网下载相关的SDK(如下图):

2.按照高德地图官网的步骤继续添加所需要的依赖库

3.根据项目的bundleID前往高德地图API中创建引用并申请相关的key

高德地图应用管理后台

到这一步前期的准备工作基本差不多了,当然,我这写的不是很具体,详细的引入高德地图SDK还需要耐心按照高德地图官网SDK一步步的去操作

二.代码部分

1.初始化高德地图SDK

在AppleDelegate中引入相关头文件,从高德地图应用管理中找到该应用对用的key值,进行高德地图SDK的初始化操作。直接贴代码部分:

  1. #import "AppDelegate.h"
  2. #import "ViewController.h"
  3. #import <AMapLocationKit/AMapLocationKit.h>
  4. #import <AMapFoundationKit/AMapFoundationKit.h>
  5. static NSString *APIKey = @"a1500980e29b7ca7612a46c19e0d2e3a";
  6. @interface AppDelegate ()
  7. @end
  8. @implementation AppDelegate
  9. - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  10. self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
  11. [self.window makeKeyAndVisible];
  12. self.window.rootViewController = [[UINavigationController alloc] initWithRootViewController:[ViewController new]];
  13. [AMapServices sharedServices].apiKey = APIKey;
  14. return YES;
  15. }
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2.定位到用户当前位置

在你需要定位的类中引入与地图相关的头文件

初始化地图view:

  1. - (void)initMapView{
  2. self.mapView = [[MAMapView alloc] initWithFrame:CGRectMake(0, 64 + 44, SCREEN_WIDTH, 300)];
  3. self.mapView.delegate = self;
  4. self.mapView.mapType = MAMapTypeStandard;
  5. self.mapView.showsScale = NO;
  6. self.mapView.showsCompass = NO;
  7. self.mapView.showsUserLocation = YES;
  8. [self.view addSubview:self.mapView];
  9. UIButton *localButton = [UIButton buttonWithType:UIButtonTypeCustom];
  10. localButton.backgroundColor = [UIColor redColor];
  11. localButton.frame = CGRectMake(SCREEN_WIDTH - 60, 240, 50, 50);
  12. [localButton addTarget:self action:@selector(localButtonAction) forControlEvents:UIControlEventTouchUpInside];
  13. localButton.layer.cornerRadius = 25;
  14. localButton.clipsToBounds = YES;
  15. [localButton setImage:[UIImage imageNamed:@"定位"] forState:UIControlStateNormal];
  16. [self.mapView addSubview:localButton];
  17. }
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  1. // 定位SDK
  2. - (void)configLocationManager {
  3. self.locationManager = [[AMapLocationManager alloc] init];
  4. [self.locationManager setDelegate:self];
  5. [self.locationManager setDesiredAccuracy:kCLLocationAccuracyHundredMeters];
  6. //单次定位超时时间
  7. [self.locationManager setLocationTimeout:6];
  8. [self.locationManager setReGeocodeTimeout:3];
  9. }
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开启定位操作:

  1. - (void)locateAction {
  2. [self showHudInView:self.view hint:@"正在定位..."];
  3. //带逆地理的单次定位
  4. [self.locationManager requestLocationWithReGeocode:YES completionBlock:^(CLLocation *location, AMapLocationReGeocode *regeocode, NSError *error) {
  5. if (error) {
  6. [self showHint:@"定位错误" yOffset:-180];
  7. NSLog(@"locError:{%ld - %@};",(long)error.code,error.localizedDescription);
  8. if (error.code == AMapLocationErrorLocateFailed) {
  9. return ;
  10. }
  11. }
  12. //定位信息
  13. NSLog(@"location:%@", location);
  14. if (regeocode)
  15. {
  16. [self hideHud];
  17. self.currentLocationCoordinate = CLLocationCoordinate2DMake(location.coordinate.latitude, location.coordinate.longitude);
  18. self.city = regeocode.city;
  19. [self showMapPoint];
  20. [self setCenterPoint];
  21. self.request.location = [AMapGeoPoint locationWithLatitude:location.coordinate.latitude longitude:location.coordinate.longitude];
  22. [self.mapSearch AMapPOIAroundSearch:self.request];
  23. }
  24. }];
  25. }
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定位成功之后展示大头针到当前位置(如果一直不显示大头针,检查一下自己是否导入了高德地图的资源文件):

  1. - (void)showMapPoint{
  2. [_mapView setZoomLevel:15.1 animated:YES];
  3. [_mapView setCenterCoordinate:self.currentLocationCoordinate animated:YES];
  4. }
  5. - (void)setCenterPoint{
  6. MAPointAnnotation * centerAnnotation = [[MAPointAnnotation alloc] init];//初始化注解对象
  7. centerAnnotation.coordinate = self.currentLocationCoordinate;//定位经纬度
  8. centerAnnotation.title = @"";
  9. centerAnnotation.subtitle = @"";
  10. [self.mapView addAnnotation:centerAnnotation];//添加注解
  11. }
  12. #pragma mark - MAMapView Delegate
  13. - (MAAnnotationView *)mapView:(MAMapView *)mapView
  14. viewForAnnotation:(id<MAAnnotation>)annotation {
  15. if ([annotation isKindOfClass:[MAPointAnnotation class]]) {
  16. static NSString *pointReuseIndentifier = @"pointReuseIndentifier";
  17. MAPinAnnotationView*annotationView = (MAPinAnnotationView*)[mapView dequeueReusableAnnotationViewWithIdentifier:pointReuseIndentifier];
  18. if (annotationView == nil)
  19. {
  20. annotationView = [[MAPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:pointReuseIndentifier];
  21. }
  22. annotationView.canShowCallout= YES; //设置气泡可以弹出,默认为NO
  23. annotationView.animatesDrop = YES; //设置标注动画显示,默认为NO
  24. annotationView.draggable = YES; //设置标注可以拖动,默认为NO
  25. annotationView.pinColor = MAPinAnnotationColorRed;
  26. return annotationView;
  27. }
  28. return nil;
  29. }
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地图的代理方法等:

  1. - (void)mapView:(MAMapView *)mapView regionDidChangeAnimated:(BOOL)animated{
  2. [self.mapView removeAnnotations:self.mapView.annotations];
  3. CLLocationCoordinate2D centerCoordinate = mapView.region.center;
  4. self.currentLocationCoordinate = centerCoordinate;
  5. MAPointAnnotation * centerAnnotation = [[MAPointAnnotation alloc] init];
  6. centerAnnotation.coordinate = centerCoordinate;
  7. centerAnnotation.title = @"";
  8. centerAnnotation.subtitle = @"";
  9. [self.mapView addAnnotation:centerAnnotation];
  10. //主动选择地图上的地点
  11. if (!self.isSelectedAddress) {
  12. [self.tableView setContentOffset:CGPointMake(0,0) animated:NO];
  13. self.selectedIndexPath=[NSIndexPath indexPathForRow:0 inSection:0];
  14. self.request.location = [AMapGeoPoint locationWithLatitude:centerCoordinate.latitude longitude:centerCoordinate.longitude];
  15. self.currentPage = 1;
  16. self.request.page = self.currentPage;
  17. [self.mapSearch AMapPOIAroundSearch:self.request];
  18. }
  19. self.isSelectedAddress = NO;
  20. }
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包括主动选择地图上的点然后进行附近的搜索,可自定义搜索的内容,定位成功之后用户可以获取到当前的经纬度地址等一系列信息。详细的代码有点多就不一一贴出来了,需要的同学可以点击下面的github地址去下载体验。

github地址:https://github.com/XuZzzzzzzz/XCLocation

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持程序员之家。



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