iOS系统地图和定位
2015-11-07 19:38
531 查看
大头针类
#import <Foundation/Foundation.h>
#import <MapKit/MapKit.h>
@interface MyAnnotation : NSObject<MKAnnotation>
@property(nonatomic, assign) CLLocationCoordinate2D coordinate;
@property(nonatomic, copy) NSString *title;
@property(nonatomic, copy) NSString *subTitle;
-(instancetype)initWithCoordinate:(CLLocationCoordinate2D)coordinate andTitle:(NSString *)title andSubTitle:(NSString *)subTitle;
@end
MyAnnotation.m
#import "MyAnnotation.h"
@implementation MyAnnotation
-(instancetype)initWithCoordinate:(CLLocationCoordinate2D)coordinate andTitle:(NSString *)title andSubTitle:(NSString *)subTitle
{
self = [super init];
if (self) {
_coordinate = coordinate;
_title = title;
_subTitle = subTitle;
}
return self;
}
@end
根视图控制器
//需要引入框架<MapKit/MapKit.h> <CoreLocation/CoreLocation.h>并遵循代理<CLLocationManagerDelegate, MKMapViewDelegate>
#import "ViewController.h"
#import <MapKit/MapKit.h>
#import <CoreLocation/CoreLocation.h>
#import "MyAnnotation.h"
//实现连个代理方法:定位和地图
@interface ViewController ()<CLLocationManagerDelegate, MKMapViewDelegate, UITextFieldDelegate>
@property(nonatomic, strong) CLLocationManager *locationManager; //定位管理器
@property(nonatomic, assign) CLLocationCoordinate2D curLocation; //获取经纬度
@property(nonatomic, strong) MKMapView *mapView; //显示地图
@property(nonatomic, strong) CLLocation *currentLocation;
@property(nonatomic, strong) UITextField *searchTextField;
@property(nonatomic, strong) MyAnnotation *annotation;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
#pragma mark 创建地图
[self createMapView];
#pragma mark 定位
// [self getCurPosition];
#pragma mark 创建搜索框
[self createSearch];
}
//创建MapView
-(void)createMapView
{
self.mapView = [[MKMapView alloc] initWithFrame:CGRectMake(0, 65, self.view.frame.size.width, self.view.frame.size.height - 65)];
self.mapView .mapType = MKMapTypeStandard;
self.mapView.zoomEnabled= YES; //可以缩放
self.mapView.showsUserLocation= YES; //打开定位
self.mapView.delegate=self;
self.mapView.userTrackingMode = MKUserTrackingModeFollowWithHeading;
[self.view addSubview:self.mapView];
}
//检测用户位置更新
-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation
{
NSLog(@"纬度 :%f, 经度: %f", userLocation.coordinate.latitude, userLocation.coordinate.longitude);
self.currentLocation = userLocation.location;
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(self.currentLocation.coordinate, 1000, 1000);
[self.mapView setRegion:region animated:TRUE];
}
//地图中标记被选中时
-(void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view
{
if ([view.annotation isKindOfClass:[MKUserLocation class]]) {
[self getRevGeo];
}
else
{
NSLog(@"===%@", view.annotation);
CLGeocoder *revGeo = [[CLGeocoder alloc]init];
[revGeo reverseGeocodeLocation:self.currentLocation completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
if (!error && [placemarks count] > 0) {
NSDictionary *dict = [[placemarks objectAtIndex:0] addressDictionary];
NSLog(@"%@", [dict allKeys]);
self.annotation.title = [dict objectForKey:@"Name"];
self.annotation.subTitle = [dict objectForKey:@"Name"];
}
else
{
NSLog(@"ERROR: %@", error);
}
}];
}
}
//反地理编码
-(void)getRevGeo
{
CLGeocoder *revGeo = [[CLGeocoder alloc]init];
[revGeo reverseGeocodeLocation:self.currentLocation completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
if (!error && [placemarks count] > 0) {
NSDictionary *dict = [[placemarks objectAtIndex:0] addressDictionary];
// NSLog(@"%@", [dict allKeys]);
// NSLog(@"%@\n %@\n %@\n %@\n %@\n %@\n %@\n %@\n %@\n", [dict objectForKey:@"SubLocality"], [dict objectForKey:@"CountryCode"], [dict objectForKey:@"Street"], [dict objectForKey:@"State"],[dict objectForKey:@"Name"], [dict objectForKey:@"Thoroughfare"],[dict
objectForKey:@"FormattedAddressLines"], [dict objectForKey:@"Country"], [dict objectForKey:@"City"]);
//
self.mapView.userLocation.title = [dict objectForKey:@"City"];
self.mapView.userLocation.subtitle = [dict objectForKey:@"Name"];
}
else
{
NSLog(@"ERROR: %@", error);
}
}];
}
-(void)createSearch
{
self.searchTextField = [[UITextField alloc]initWithFrame:CGRectMake(5, 20, self.view.frame.size.width - 70, 40)];
self.searchTextField.placeholder = @"输入查询地点关键字";
self.searchTextField.layer.borderColor = [UIColor lightGrayColor].CGColor;
self.searchTextField.layer.borderWidth = 1;
self.searchTextField.layer.cornerRadius = 5;
self.searchTextField.borderStyle = UITextBorderStyleRoundedRect;
self.searchTextField.delegate = self;
[self.view addSubview:self.searchTextField];
UIButton *searchBtn = [UIButton buttonWithType:UIButtonTypeSystem];
searchBtn.frame = CGRectMake(self.searchTextField.frame.size.width + 10, 20, 60, 40);
[searchBtn setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
[searchBtn setTitle:@"查询" forState:UIControlStateNormal];
searchBtn.titleLabel.font = [UIFont systemFontOfSize:20];
[self.view addSubview:searchBtn];
[searchBtn addTarget:self action:@selector(searchAction:) forControlEvents:UIControlEventTouchUpInside];
UIButton *location = [UIButton buttonWithType:UIButtonTypeSystem];
[location setBackgroundImage:[UIImage imageNamed:@"iconfont-dingwei"] forState:UIControlStateNormal];
location.frame = CGRectMake(10, self.view.frame.size.height - 55, 25, 30);
[self.view addSubview:location];
[location addTarget:self action:@selector(locationAction:) forControlEvents:UIControlEventTouchUpInside];
}
//搜索
-(void)searchAction:(UIButton *)btn
{
NSLog(@"%@", self.searchTextField.text);
#pragma mark 地理编码
[self geocoding];
}
//地理编码
-(void)geocoding
{
if (self.searchTextField == nil || self.searchTextField.text.length == 0) {
return;
}
CLGeocoder *geoCode = [[CLGeocoder alloc]init];
[geoCode geocodeAddressString:self.searchTextField.text completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
NSLog(@"查询记录数: %ld", [placemarks count]);
if ([placemarks count] > 0) {
[self.mapView removeAnnotations:self.mapView.annotations];
}
for (int i = 0; i < [placemarks count]; i++) {
CLPlacemark *placeMark = placemarks[i];
[self.searchTextField resignFirstResponder];
//调整地图位置和缩放比例,第一个参数是目标区域的中心点，第二个参数：目标区域南北的跨度，第三个参数：目标区域的东西跨度，单位都是米
MKCoordinateRegion viewRegion = MKCoordinateRegionMakeWithDistance(placeMark.location.coordinate, 3000, 3000);
[self.mapView setRegion:viewRegion animated:YES];
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(self.currentLocation.coordinate, 1000, 1000);
[self.mapView setRegion:region animated:TRUE];
//实例化MapLocation对象(添加大头针)
self.annotation = [[MyAnnotation alloc]initWithCoordinate:placeMark.location.coordinate andTitle:@"title" andSubTitle:@"subTitle"];
// NSLog(@"%f %f", self.currentLocation.coordinate.latitude, self.currentLocation.coordinate.longitude);
self.mapView.centerCoordinate = placeMark.location.coordinate; //大头针显示在中心位置
[self.mapView selectAnnotation:self.annotation animated:YES];
[self.mapView addAnnotation:self.annotation];
self.currentLocation = placeMark.location;
}
}];
}
//定位
-(void)locationAction:(UIButton *)btn
{
[self mapView:self.mapView didUpdateUserLocation:self.mapView.userLocation];
self.searchTextField.text = @"";
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
[self.searchTextField resignFirstResponder];
return YES;
}
//******************************location定位**********************************
//获取自己的当前的位置信息
-(void)getCurPosition
{
//开始探测自己的位置
if (self.locationManager == nil) {
self.locationManager = [[CLLocationManager alloc]init]; //初始化定位管理器
}
if ([CLLocationManager locationServicesEnabled]) {
self.locationManager.delegate = self;
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest; //设置最佳精确度
self.locationManager.distanceFilter = 10.0f; //设置当前方位超出10米时, 调用代理方法
[self.locationManager requestWhenInUseAuthorization]; //请求用户授权
[self.locationManager startUpdatingLocation];
// [self.locationManager stopUpdatingLocation]; //关闭对位置的更新
}
}
//错误代理
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
NSLog(@"error:%@", error);
}
//开启location的权限
- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status
{
switch (status) {
case kCLAuthorizationStatusNotDetermined:
if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {
[self.locationManager requestAlwaysAuthorization];
}
break;
default:
break;
}
}
//获取当前位置信息(只要位置发生改变,就会调用该方法)
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations
{
self.curLocation = locations.lastObject.coordinate; //保存新位置
//设置显示区域
// MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(locations.lastObject.coordinate, 1000, 1000);
// [self.mapView setRegion:region animated:TRUE];
#pragma mark 显示经纬度
MKCoordinateSpan span = MKCoordinateSpanMake(0.05, 0.05);
MKCoordinateRegion region = MKCoordinateRegionMake(self.curLocation, span);
[self.mapView setRegion:region animated:TRUE];
}
//导航方向发生改变时会调用
-(void)locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)newHeading
{
NSLog(@"导航方向: %@", newHeading);
}
//进入某个区域后调用
-(void)locationManager:(CLLocationManager *)manager didEnterRegion:(nonnull CLRegion *)region
{
NSLog(@"进入某个区域: %@", region);
}
//走出某个区域
-(void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
{
NSLog(@"走出某个区域: %@", region);
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
#import <Foundation/Foundation.h>
#import <MapKit/MapKit.h>
@interface MyAnnotation : NSObject<MKAnnotation>
@property(nonatomic, assign) CLLocationCoordinate2D coordinate;
@property(nonatomic, copy) NSString *title;
@property(nonatomic, copy) NSString *subTitle;
-(instancetype)initWithCoordinate:(CLLocationCoordinate2D)coordinate andTitle:(NSString *)title andSubTitle:(NSString *)subTitle;
@end
MyAnnotation.m
#import "MyAnnotation.h"
@implementation MyAnnotation
-(instancetype)initWithCoordinate:(CLLocationCoordinate2D)coordinate andTitle:(NSString *)title andSubTitle:(NSString *)subTitle
{
self = [super init];
if (self) {
_coordinate = coordinate;
_title = title;
_subTitle = subTitle;
}
return self;
}
@end
根视图控制器
//需要引入框架<MapKit/MapKit.h> <CoreLocation/CoreLocation.h>并遵循代理<CLLocationManagerDelegate, MKMapViewDelegate>
#import "ViewController.h"
#import <MapKit/MapKit.h>
#import <CoreLocation/CoreLocation.h>
#import "MyAnnotation.h"
//实现连个代理方法:定位和地图
@interface ViewController ()<CLLocationManagerDelegate, MKMapViewDelegate, UITextFieldDelegate>
@property(nonatomic, strong) CLLocationManager *locationManager; //定位管理器
@property(nonatomic, assign) CLLocationCoordinate2D curLocation; //获取经纬度
@property(nonatomic, strong) MKMapView *mapView; //显示地图
@property(nonatomic, strong) CLLocation *currentLocation;
@property(nonatomic, strong) UITextField *searchTextField;
@property(nonatomic, strong) MyAnnotation *annotation;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
#pragma mark 创建地图
[self createMapView];
#pragma mark 定位
// [self getCurPosition];
#pragma mark 创建搜索框
[self createSearch];
}
//创建MapView
-(void)createMapView
{
self.mapView = [[MKMapView alloc] initWithFrame:CGRectMake(0, 65, self.view.frame.size.width, self.view.frame.size.height - 65)];
self.mapView .mapType = MKMapTypeStandard;
self.mapView.zoomEnabled= YES; //可以缩放
self.mapView.showsUserLocation= YES; //打开定位
self.mapView.delegate=self;
self.mapView.userTrackingMode = MKUserTrackingModeFollowWithHeading;
[self.view addSubview:self.mapView];
}
//检测用户位置更新
-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation
{
NSLog(@"纬度 :%f, 经度: %f", userLocation.coordinate.latitude, userLocation.coordinate.longitude);
self.currentLocation = userLocation.location;
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(self.currentLocation.coordinate, 1000, 1000);
[self.mapView setRegion:region animated:TRUE];
}
//地图中标记被选中时
-(void)mapView:(MKMapView *)mapView didSelectAnnotationView:(MKAnnotationView *)view
{
if ([view.annotation isKindOfClass:[MKUserLocation class]]) {
[self getRevGeo];
}
else
{
NSLog(@"===%@", view.annotation);
CLGeocoder *revGeo = [[CLGeocoder alloc]init];
[revGeo reverseGeocodeLocation:self.currentLocation completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
if (!error && [placemarks count] > 0) {
NSDictionary *dict = [[placemarks objectAtIndex:0] addressDictionary];
NSLog(@"%@", [dict allKeys]);
self.annotation.title = [dict objectForKey:@"Name"];
self.annotation.subTitle = [dict objectForKey:@"Name"];
}
else
{
NSLog(@"ERROR: %@", error);
}
}];
}
}
//反地理编码
-(void)getRevGeo
{
CLGeocoder *revGeo = [[CLGeocoder alloc]init];
[revGeo reverseGeocodeLocation:self.currentLocation completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
if (!error && [placemarks count] > 0) {
NSDictionary *dict = [[placemarks objectAtIndex:0] addressDictionary];
// NSLog(@"%@", [dict allKeys]);
// NSLog(@"%@\n %@\n %@\n %@\n %@\n %@\n %@\n %@\n %@\n", [dict objectForKey:@"SubLocality"], [dict objectForKey:@"CountryCode"], [dict objectForKey:@"Street"], [dict objectForKey:@"State"],[dict objectForKey:@"Name"], [dict objectForKey:@"Thoroughfare"],[dict
objectForKey:@"FormattedAddressLines"], [dict objectForKey:@"Country"], [dict objectForKey:@"City"]);
//
self.mapView.userLocation.title = [dict objectForKey:@"City"];
self.mapView.userLocation.subtitle = [dict objectForKey:@"Name"];
}
else
{
NSLog(@"ERROR: %@", error);
}
}];
}
-(void)createSearch
{
self.searchTextField = [[UITextField alloc]initWithFrame:CGRectMake(5, 20, self.view.frame.size.width - 70, 40)];
self.searchTextField.placeholder = @"输入查询地点关键字";
self.searchTextField.layer.borderColor = [UIColor lightGrayColor].CGColor;
self.searchTextField.layer.borderWidth = 1;
self.searchTextField.layer.cornerRadius = 5;
self.searchTextField.borderStyle = UITextBorderStyleRoundedRect;
self.searchTextField.delegate = self;
[self.view addSubview:self.searchTextField];
UIButton *searchBtn = [UIButton buttonWithType:UIButtonTypeSystem];
searchBtn.frame = CGRectMake(self.searchTextField.frame.size.width + 10, 20, 60, 40);
[searchBtn setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
[searchBtn setTitle:@"查询" forState:UIControlStateNormal];
searchBtn.titleLabel.font = [UIFont systemFontOfSize:20];
[self.view addSubview:searchBtn];
[searchBtn addTarget:self action:@selector(searchAction:) forControlEvents:UIControlEventTouchUpInside];
UIButton *location = [UIButton buttonWithType:UIButtonTypeSystem];
[location setBackgroundImage:[UIImage imageNamed:@"iconfont-dingwei"] forState:UIControlStateNormal];
location.frame = CGRectMake(10, self.view.frame.size.height - 55, 25, 30);
[self.view addSubview:location];
[location addTarget:self action:@selector(locationAction:) forControlEvents:UIControlEventTouchUpInside];
}
//搜索
-(void)searchAction:(UIButton *)btn
{
NSLog(@"%@", self.searchTextField.text);
#pragma mark 地理编码
[self geocoding];
}
//地理编码
-(void)geocoding
{
if (self.searchTextField == nil || self.searchTextField.text.length == 0) {
return;
}
CLGeocoder *geoCode = [[CLGeocoder alloc]init];
[geoCode geocodeAddressString:self.searchTextField.text completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
NSLog(@"查询记录数: %ld", [placemarks count]);
if ([placemarks count] > 0) {
[self.mapView removeAnnotations:self.mapView.annotations];
}
for (int i = 0; i < [placemarks count]; i++) {
CLPlacemark *placeMark = placemarks[i];
[self.searchTextField resignFirstResponder];
//调整地图位置和缩放比例,第一个参数是目标区域的中心点，第二个参数：目标区域南北的跨度，第三个参数：目标区域的东西跨度，单位都是米
MKCoordinateRegion viewRegion = MKCoordinateRegionMakeWithDistance(placeMark.location.coordinate, 3000, 3000);
[self.mapView setRegion:viewRegion animated:YES];
MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(self.currentLocation.coordinate, 1000, 1000);
[self.mapView setRegion:region animated:TRUE];
//实例化MapLocation对象(添加大头针)
self.annotation = [[MyAnnotation alloc]initWithCoordinate:placeMark.location.coordinate andTitle:@"title" andSubTitle:@"subTitle"];
// NSLog(@"%f %f", self.currentLocation.coordinate.latitude, self.currentLocation.coordinate.longitude);
self.mapView.centerCoordinate = placeMark.location.coordinate; //大头针显示在中心位置
[self.mapView selectAnnotation:self.annotation animated:YES];
[self.mapView addAnnotation:self.annotation];
self.currentLocation = placeMark.location;
}
}];
}
//定位
-(void)locationAction:(UIButton *)btn
{
[self mapView:self.mapView didUpdateUserLocation:self.mapView.userLocation];
self.searchTextField.text = @"";
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
[self.searchTextField resignFirstResponder];
return YES;
}
//******************************location定位**********************************
//获取自己的当前的位置信息
-(void)getCurPosition
{
//开始探测自己的位置
if (self.locationManager == nil) {
self.locationManager = [[CLLocationManager alloc]init]; //初始化定位管理器
}
if ([CLLocationManager locationServicesEnabled]) {
self.locationManager.delegate = self;
self.locationManager.desiredAccuracy = kCLLocationAccuracyBest; //设置最佳精确度
self.locationManager.distanceFilter = 10.0f; //设置当前方位超出10米时, 调用代理方法
[self.locationManager requestWhenInUseAuthorization]; //请求用户授权
[self.locationManager startUpdatingLocation];
// [self.locationManager stopUpdatingLocation]; //关闭对位置的更新
}
}
//错误代理
-(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error
{
NSLog(@"error:%@", error);
}
//开启location的权限
- (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status
{
switch (status) {
case kCLAuthorizationStatusNotDetermined:
if ([self.locationManager respondsToSelector:@selector(requestAlwaysAuthorization)]) {
[self.locationManager requestAlwaysAuthorization];
}
break;
default:
break;
}
}
//获取当前位置信息(只要位置发生改变,就会调用该方法)
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations
{
self.curLocation = locations.lastObject.coordinate; //保存新位置
//设置显示区域
// MKCoordinateRegion region = MKCoordinateRegionMakeWithDistance(locations.lastObject.coordinate, 1000, 1000);
// [self.mapView setRegion:region animated:TRUE];
#pragma mark 显示经纬度
MKCoordinateSpan span = MKCoordinateSpanMake(0.05, 0.05);
MKCoordinateRegion region = MKCoordinateRegionMake(self.curLocation, span);
[self.mapView setRegion:region animated:TRUE];
}
//导航方向发生改变时会调用
-(void)locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)newHeading
{
NSLog(@"导航方向: %@", newHeading);
}
//进入某个区域后调用
-(void)locationManager:(CLLocationManager *)manager didEnterRegion:(nonnull CLRegion *)region
{
NSLog(@"进入某个区域: %@", region);
}
//走出某个区域
-(void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region
{
NSLog(@"走出某个区域: %@", region);
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
@end
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- OC ---- 字典集合 iOS学习-----细碎知识点总结
- iOS keyboard属性详解
- OC ---- 字符串 数组 iOS学习-----细碎知识点总结
- 关于'MAMapKit/MAMapKit.h' file not found的解决方法（图文演示）
- iOS常用的几种设计模式
- iOS开发动态计算cell的高度
- iOS 那些好用的三方库索引
- 【iOS】文件下载小记
- iOS 延迟执行
- 我的iOS学习历程 - OC第十天
- 我的iOS学习历程 - OC第十天
- IOS 字符串中去除特殊符号 stringByTrimmingCharactersInSet
- 短信验证 掌淘 mob 1.1.1开发实例
- ios新手如何看xcode缓存路径
- iOS开发拓展篇—音效的播放
- 线程的坑
- ios多线程编程
- OSX/iOS中多路I/O复用总结
- (iOS)Storyboard 与 initWithCoder -- designated initializer小结
- IOS 的plis他 用法 小样