1
虽然我的最终项目不是另一个我在哪里停放应用程序。我认为这将是一个很好的开始掌握MKMap和Locations的好地方。在按钮按下地图上放下Pin - iOS
好吧，我可以设置引脚，看看我自己，并获得当前位置以显示在标签中。
什么我不能做的是：
A.在按钮按下
1）存储用户的当前位置。 2）在当前用户位置放置一个别针（红色）。 （因此，即使用户（蓝色）移动，新引脚也会保留）
B.在单独的按钮上按下 1）清除用户丢弃引脚（红色）的引脚不在地图上。
我似乎无法为按钮中新引脚设置贴图注释。数字发生变化，地图不刷新（我猜测）显示我的引脚与其中的正确组合。
这是我到目前为止。 （NO窃笑）：P
#import "Find_My_CarViewController.h"
#import "MapAnnotation.h"
@implementation Find_My_CarViewController
@synthesize CLController;
@synthesize hereIamLat;
@synthesize hereIamLong;
@synthesize mapView;
- (void)dealloc
{
[hereIamLat release];
[hereIamLong release];
[CLController release];
[super dealloc];
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
#pragma mark - View lifecycle
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
[super viewDidLoad];
CLController = [[CoreLocationController alloc] init];
CLController.delegate = self;
[CLController.locMgr startUpdatingLocation];
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
-(void)viewWillAppear:(BOOL)animated
{
MKCoordinateRegion region;
region.center.latitude =40.798356;
region.center.longitude= -81.411158;
region.span.longitudeDelta=0.3;
region.span.latitudeDelta =0.3;
[mapView setRegion:region animated:YES];
}
- (void)locationUpdate:(CLLocation *)location
{
latitudeLabel.text = [NSString stringWithFormat:@"LATITUDE: %f", location.coordinate.latitude];
longitudeLabel.text = [NSString stringWithFormat:@"LONGITUDE: %f", location.coordinate.longitude];
//hereIamLat = [NSString stringWithFormat:@"%g", location.coordinate.latitude];
//hereIamLong = [NSString stringWithFormat:@"%g", location.coordinate.longitude];
}
- (void)locationError:(NSError *)error
{
//speedLabel.text = [error description];
}
-(IBAction)PushToMark
{
NSScanner *strLat = [NSScanner scannerWithString:latitudeLabel.text];
double dblLat;
[strLat scanDouble:&dblLat];
NSScanner *strLong = [NSScanner scannerWithString:longitudeLabel.text];
double dblLong;
[strLong scanDouble:&dblLong];
NSLog(@"lat: %f",dblLat);
NSLog(@"long: %f",dblLong);
MKCoordinateRegion location1;
location1.center.latitude =dblLat;
location1.center.longitude= dblLong;
location1.span.longitudeDelta=0.1;
location1.span.latitudeDelta =0.1;
MapAnnotation *ann1 =[[[MapAnnotation alloc] init] autorelease];
[email protected]"Here";
[email protected]"I AM";
ann1.coordinate= location1.center;
[mapView addAnnotation:ann1];
}
@end
编辑： 好了，所以我去了这条路线的感谢。
#import "LocationTestViewController.h"
#import "CoreLocation/CoreLocation.h"
#import "MapAnnotation.h"
@implementation LocationTestViewController
@synthesize locationManager;
@synthesize mapView;
- (void)dealloc
{
[mapView release];
[locationManager release];
[super dealloc];
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
#pragma mark - View lifecycle
/*
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
[super viewDidLoad];
}
*/
- (void)viewDidUnload
{
[self setMapView:nil];
[self setLocationManager:nil];
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
- (IBAction)getLocation:(id)sender {
locationManager = [[CLLocationManager alloc] init];
locationManager.distanceFilter=kCLDistanceFilterNone;
locationManager.desiredAccuracy = kCLLocationAccuracyHundredMeters;
[locationManager startUpdatingLocation];
[mapView setMapType:MKMapTypeStandard];
[mapView setZoomEnabled:YES];
[mapView setScrollEnabled:YES];
MKCoordinateRegion region = {{0.0,0.0},{0.0,0.0}};
region.center.latitude = locationManager.location.coordinate.latitude;
region.center.longitude = locationManager.location.coordinate.longitude;
region.span.longitudeDelta = 0.005f;
region.span.latitudeDelta = 0.005f;
[mapView setRegion:region animated:YES];
[mapView setDelegate:sender];
MKCoordinateRegion location1;
location1.center.latitude =locationManager.location.coordinate.latitude;
location1.center.longitude= locationManager.location.coordinate.longitude;
location1.span.longitudeDelta=0.1;
location1.span.latitudeDelta =0.1;
MapAnnotation *ann1 =[[[MapAnnotation alloc] init] autorelease];
[email protected]"You Parked Here";
[email protected]"";
ann1.coordinate= location1.center;
[mapView addAnnotation:ann1];
}
@end