#import "ViewController.h"
#import "MapKit/MapKit.h"
@interface ViewController ()<MKMapViewDelgate>
{UITextField *latitudeTF;
UITextField *longtitudeTF;
}
@property(nonatomic,strong)MKMapView *mapview;
@property(nonatomic,strong)CLGeocoder *geocoder;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 初始化
self.geocoder = [[CLGeocoder alloc]init];
// 初始化地图
self.mapview = [[MKMapView alloc]initWithFrame:self.view.frame];
// 设置属性
// 设置标准地图
self.mapview.mapType = MKMapTypeStandard;
// 设置地图可滚动
self.mapview.scrollEnabled = YES;
// 展示用户当前显示位置
self.mapview.showsUserLocation = YES;
// 设置代理
self.mapview.delegate = self;
// 设置允许缩放
self.mapview.zoomEnabled = YES;
// 添加到视图上
[self.view addSubview:_mapview];
// 设置地图显示的经纬度为39.5427 经度为116.2317
[self locateToLatitude:39.5427 longtitude:116.2317];
// 设置长按手势
UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPress:)];
[self.mapview addGestureRecognizer:longPress];
// 创建纬度Label
UILabel *latitudeLabel = [[UILabel alloc]initWithFrame:CGRectMake(5, 20, 40, 30)];
latitudeLabel.text = @"纬度";
// 添加到视图上
[self.mapview addSubview:latitudeLabel];
// 创建纬度文本框
latitudeTF = [[UITextField alloc]initWithFrame:CGRectMake(45, 20, 100, 30)];
latitudeTF.text = @"23.12672";
latitudeTF.borderStyle = UITextBorderStyleRoundedRect;
// 数字键盘
latitudeTF.keyboardType = UIKeyboardTypeNumberPad;
// 添加到视图上
[self.mapview addSubview:latitudeTF];
// 创建经度Label
UILabel *longtitudeLabel = [[UILabel alloc]initWithFrame:CGRectMake(145, 20, 40, 30)];
longtitudeLabel.text = @"经度";
// 添加到视图上
[self.mapview addSubview:longtitudeLabel];
// 创建经度文本框
longtitudeTF = [[UITextField alloc]initWithFrame:CGRectMake(185, 20, 100, 30)];
longtitudeTF.text = @"113.395";
longtitudeTF.borderStyle = UITextBorderStyleRoundedRect;
// 数字键盘
longtitudeTF.keyboardType = UIKeyboardTypeNumberPad;
// 添加到视图上
[self.mapview addSubview:longtitudeTF];
// 创建按钮
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn.frame =CGRectMake(285, 20, 40, 30);
[btn setTitle:@"GO" forState:UIControlStateNormal];
// 添加点击事件
[btn addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];
[self.mapview addSubview:btn];
CGFloat width = self.view.frame.size.width;
NSLog(@"%f",width);
}
// 前往另一个地图界面
-(void)click
{
[latitudeTF resignFirstResponder];
[longtitudeTF resignFirstResponder];
//经度
NSString *latitudeStr = latitudeTF.text;
//纬度
NSString *longtitudeStr = longtitudeTF.text;
//如果用户输入的经度、纬度为空
if (latitudeStr != nil && latitudeStr.length > 0
&& longtitudeStr!= nil && longtitudeStr.length > 0)
{
//设置经度、纬度
[self locateToLatitude:latitudeStr.floatValue longtitude:longtitudeStr.floatValue];
}
}
-(void)locateToLatitude:(CGFloat)latitude longtitude:(CGFloat)longitude{ //设置地图中的的经度、纬度 CLLocationCoordinate2D center = {latitude,longitude}; //设置地图显示的范围 MKCoordinateSpan span; //地图显示范围越小，细节越清楚； span.latitudeDelta = 0.01; span.longitudeDelta = 0.01; //创建MKCoordinateRegion对象，该对象代表地图的显示中心和显示范围 MKCoordinateRegion region = {center,span}; //设置当前地图的显示中心和显示范围 [self.mapview setRegion:region animated:YES]; // 设置一个固定的锚点 MKPointAnnotation *annotation = [[MKPointAnnotation alloc]init]; // 设置显示的标题 annotation.title = @"一个新的地点"; annotation.subtitle = @"我喜欢的地方"; // 添加位置 CLLocationCoordinate2D coordinate = {latitude,longitude}; annotation.coordinate = coordinate; // 添加锚点到视图上 [self.mapview addAnnotation:annotation];}// 设置长按手势的触发方法-(void)longPress:(UILongPressGestureRecognizer *)press{ // 定义坐标值 CGPoint cp = [press locationInView:self.mapview]; // 根据坐标获取经纬度 CLLocationCoordinate2D coordinate = [self.mapview convertPoint:cp toCoordinateFromView:self.mapview]; // 将经纬度包装成CLLocation对象 CLLocation *location = [[CLLocation alloc]initWithLatitude:coordinate.latitude longitude:coordinate.longitude]; // 根据经纬度反向解析地址 [self.geocoder reverseGeocodeLocation:location completionHandler:^(NSArray* _Nullable placemarks, NSError * _Nullable error) { if (placemarks.count > 0) { CLPlacemark *placemark = placemarks[0]; // 获取地址信息对应的地址详情 NSArray *addrArr = [placemark.addressDictionary objectForKey:@"FormattedAddressLines"]; NSMutableString *addreStr = [[NSMutableString alloc]init]; for (int i = 0; i)annotation
{
static NSString *annoID = @"FKAnno";
// 设置可重用的锚点控件
MKAnnotationView *annoView = [mapView dequeueReusableAnnotationViewWithIdentifier:annoID];
if (!annoView) {
annoView = [[MKAnnotationView alloc]initWithAnnotation:annotation reuseIdentifier:annoID];
}
// 为锚点添加图片
annoView.image = [UIImage imageNamed:@"pos.gif"];
// 设置该控件是否显示气泡
annoView.canShowCallout = YES;
UIButton *btn = [UIButton buttonWithType:UIButtonTypeDetailDisclosure];
[btn addTarget:self action:@selector(goclick) forControlEvents:UIControlEventTouchUpInside];
annoView.rightCalloutAccessoryView = btn;
// 返回annoView
return annoView;
}
-(void)goclick
{
NSLog(@"您点击了锚点信息");
}
