MKMapViewで２点間をanimationで移動させてみた。
(XcodeのiOS6 Simulatorで試しています。)
ポイント
・MKAnnotationでピンを作成
・NewYork Tokyo間をタイマーで移動させる
・移動中のマップ描画が消えてしまった。さきに表示しておくにはどうするのか。
（そのうちわかるといいな。）
サンプルコード
#import “ViewController.h”
#import <MapKit/MapKit.h>
@interface MyAnnotation : NSObject<MKAnnotation> {
CLLocationCoordinate2D coordinate;
}
@end
@implementation MyAnnotation
@synthesize coordinate;
– (NSString *)subtitle{
return nil;
}
– (NSString *)title{
return nil;
}
-(id)initWithCoordinate:(CLLocationCoordinate2D) c{
coordinate=c;
return self;
}
@end
@interface ViewController () <MKMapViewDelegate> {
CLLocationCoordinate2D newYorkCoord;
CLLocationCoordinate2D tokyoCoord;
MKMapView *mapView;
}
@end
@implementation ViewController
– (void)viewDidLoad
{
[super viewDidLoad];
}
– (void)viewDidAppear:(BOOL)animated
{
mapView = [[MKMapView alloc] initWithFrame:CGRectMake(0, 0, 320, 520)];
mapView.center = self.view.center;
[self.view addSubview:mapView];
mapView.showsUserLocation = YES;
// 4秒後
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 4 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[self moveNewYork];
});
// 5秒後
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 5 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[self pinNewYork];
});
// 7秒後
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 7 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[self moveTokyo];
});
// 9秒後
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 9 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[self pinTokyo];
});
}
– (void)moveNewYork
{
// New York
newYorkCoord.latitude = 40.707560;
newYorkCoord.longitude = –73.800000;
[mapView setCenterCoordinate:newYorkCoord animated:YES];
}
– (void)pinNewYork
{
MyAnnotation *annotation = [[MyAnnotation alloc] initWithCoordinate:newYorkCoord];
[mapView addAnnotation:annotation];
}
– (void)moveTokyo
{
// Tokyo
tokyoCoord.latitude = 35.603719;
tokyoCoord.longitude = 139.658203;
[mapView setCenterCoordinate:tokyoCoord animated:YES];
}
– (void)pinTokyo
{
MyAnnotation *annotation = [[MyAnnotation alloc] initWithCoordinate:tokyoCoord];
[mapView addAnnotation:annotation];
}
// タッチしたところの座標を取得
// デバック用
– (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
UITouch *t = [touches anyObject];
CGPoint point = [t locationInView:mapView];
CLLocationCoordinate2D coord= [mapView convertPoint:point toCoordinateFromView:mapView];
NSLog(@”lat %f”,coord.latitude);
NSLog(@”long %f”,coord.longitude);
}
– (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end