地理

//
//  ViewController.m
//  Core Location_定位功能
//
//  Created by DC020 on 15/12/23.
//  Copyright (c) 2015年 Bill. All rights reserved.
//



//只要須要定位功能。。。在plist中添加。。。
//NSLocationWhenInUseUsageDescription->YES(當使用時)
//NSLocationAlwaysUsageDescription->YES(一直)
#import "ViewController.h"
//2.引入頭文件
#import <CoreLocation/CoreLocation.h>
#import <MapKit/MapKit.h>//地圖庫
#import "TCAnnotation.h"

@interface ViewController ()<CLLocationManagerDelegate,
                             MKMapViewDelegate>{
    //3.建立定位管理
    CLLocationManager *_locationManager;
    //定義地圖視圖
    MKMapView *_mapView;
}

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    _mapView = [[MKMapView alloc]initWithFrame:[UIScreen mainScreen].bounds];
    _mapView.delegate = self;
    [self.view addSubview:_mapView];
    //設置用戶位置追蹤
    _mapView.userTrackingMode = MKUserTrackingModeFollow;
//    _mapView.mapType = MKMapTypeHybrid;
    
    //初始化管理器
    _locationManager = [[CLLocationManager alloc]init];
    //判判定位服務是否開啓
//    NSLog(@"%d",[CLLocationManager locationServicesEnabled]);
    if (![CLLocationManager locationServicesEnabled]){
        NSLog(@"定位服務當前可能還沒有打開，請設置打開");
        return;
    }
    //若是沒有受權，則請求用戶受權
    if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined)//表示受權狀態沒有決定，也就是沒有受權
    {//若是受權沒有，請求受權
        [_locationManager requestWhenInUseAuthorization];
    }
    //若是受權狀態爲whenInUse
    else if([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorizedWhenInUse){
        //設置管理器
        //設置代理
        _locationManager.delegate = self;
        //設置定位精度
        _locationManager.desiredAccuracy = kCLLocationAccuracyBest;
        //定位頻率
        _locationManager.distanceFilter = 100;
        //啓動定位
        [_locationManager startUpdatingLocation];
    }
    [self addAnnotation];
}
#pragma mark 添加大頭針
-(void)addAnnotation{
    CLLocationCoordinate2D location1 = CLLocationCoordinate2DMake(30.7266819435, 120.7208981251);
    TCAnnotation *annonation1 = [[TCAnnotation alloc]init];
    annonation1.title = @"智慧產業創新園";
    annonation1.subtitle = @"東臣信息科技";
    annonation1.coordinate = location1;
    [_mapView addAnnotation :annonation1];
}
#pragma mark CoreLocation代理
#pragma mark 跟蹤定位代理方法，每次位置發生變化就會執行
-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{
    CLLocation *location = [locations firstObject];//取出位置信息
    CLLocationCoordinate2D coordinate = location.coordinate;//獲取位置座標
    
    NSLog(@"經度爲:%f",coordinate.longitude);
    NSLog(@"緯度爲:%f",coordinate.latitude);
    NSLog(@"海拔:%f,航向:%f,行走速度:%f",location.altitude,location.course,location.speed);
}

-(void)mapView:(MKMapView *)mapView didUpdateUserLocation:(MKUserLocation *)userLocation{
    //將地圖中心位置移動到某點
    //_mapView
//        _mapView setCenterCoordinate:<#(CLLocationCoordinate2D)#>
    //地圖顯示區域
    MKCoordinateRegion theRegion;
    theRegion.center = userLocation.coordinate;
    theRegion.span.latitudeDelta = 0.02;
    theRegion.span.longitudeDelta = 0.02;
    [_mapView setRegion:theRegion];
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

//
//  TCAnnotation.h
//  Core Location_定位功能
//
//  Created by DC020 on 15/12/23.
//  Copyright (c) 2015年 Bill. All rights reserved.
//

#import <Foundation/Foundation.h>
//1.引入頭文件，遵照協議MKAnnotation
#import <MapKit/MapKit.h>
@interface TCAnnotation : NSObject<MKAnnotation>
@property(nonatomic,assign)CLLocationCoordinate2D coordinate;
@property(nonatomic,copy)NSString *title;
@property(nonatomic,copy)NSString *subTitle;
@end

//
//  ViewController.m
//  地理編碼以及反地理編碼
//
//  Created by DC020 on 15/12/23.
//  Copyright (c) 2015年 Bill. All rights reserved.
//


//搜索的全部結果都是在中國境內的，由於蘋果在中國的地圖服務商是高德地圖
#import "ViewController.h"
#import <CoreLocation/CoreLocation.h>
@interface ViewController (){
    CLGeocoder *_geoCoder;//建立地理編碼對象
    
}

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    _geoCoder =[[CLGeocoder alloc]init];
    //地理編碼...傳入的信息是地名
    [self getCoordinateByAddress:@"浙江"];
    //反地理編碼...傳入的信息是座標（經緯度）
//    [self getAddressByLatitude:30 longitude:120];
}

#pragma mark 根據地名肯定地理座標
-(void)getCoordinateByAddress:(NSString *)address{
    [_geoCoder geocodeAddressString:address completionHandler:^(NSArray *placemarks, NSError *error) {
        //取得地標,地標中存儲了詳細的地址信息。注意：一個地名能夠搜索出多個地址
        CLPlacemark *placemark = [placemarks firstObject];
        //剖析地標
        //位置
        CLLocation *location = placemark.location;
        CLLocationCoordinate2D coordinate = location.coordinate;
        NSLog(@"經度是%f",coordinate.latitude);
        //區域
        CLRegion *region = placemark.region;
        NSLog(@"%@",region);
        //詳細地址
        NSDictionary*addressDic = placemark.addressDictionary;
        NSLog(@"%@",addressDic);
        
    }];
    
}

#pragma mark 根據座標取得地名
-(void)getAddressByLatitude:(CLLocationDegrees)latitude longitude:(CLLocationDegrees)longitude{
    //經過經緯度建立位置信息
    CLLocation *location = [[CLLocation alloc]initWithLatitude:latitude longitude:longitude];
    
    [_geoCoder reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
        //獲取地標
        CLPlacemark *placemark =[placemarks firstObject];
        //打印地標中的地址信息
        NSLog(@"%@",placemark.addressDictionary[@"FormattedAddressLines"]);
    }];
}
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end