iphone xcode annotation pin drop with slider value change also remove
- by chirag
i have to add annotation pin on location with UIslider Value change .... this is code where i add annotation
(MKAnnotationView *) mapView:(MKMapView *)mapView1 viewForAnnotation:(id ) annotation{
MKAnnotationView* annotationView = nil;
NSString* identifier = @"Pin";
MyAnnotationView* annView = (MyAnnotationView*)[mapView1 dequeueReusableAnnotationViewWithIdentifier:identifier];
// annotationView.leftCalloutAccessoryView = myImage;
//myImage = [UIButton buttonWithType:UIButtonTypeCustom];
// [myImage setImage:[UIImage imageNamed:@"mark.png"]forState:UIControlStateNormal];
//Property_Photo
UIButton *mybtn = [UIButton buttonWithType:UIButtonTypeCustom];
if([annotation isKindOfClass:[AddressAnnotation class]]){
AddressAnnotation x=(AddressAnnotation)annotation;
mybtn.frame = CGRectMake(0, 0, 35, 35);
mybtn.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
mybtn.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
[mybtn setImage:[UIImage imageNamed:@"btn.png"] forState:UIControlStateNormal];
[mybtn setTitle:[NSString stringWithFormat:@"%@",[x getID]] forState:UIControlStateDisabled];
[mybtn addTarget:self action:@selector(btnShowProperty:) forControlEvents:UIControlEventTouchUpInside];
((IMOVEISAppDelegate*)[[UIApplication sharedApplication]delegate]).strPropertyPrice = [[myTblArray objectAtIndex:imgIndex]valueForKey:@"Property_Price"];
NSLog(@"property price: %@",((IMOVEISAppDelegate*)[[UIApplication sharedApplication]delegate]).strPropertyPrice);
if(nil == annView) {
///if(annView!=nil && [annView retainCount]>0){ [annView release]; annView=nil; }
annView = [[[MyAnnotationView alloc] initWithAnnotation:x reuseIdentifier:identifier] autorelease];
if(Objslider.value==10){
[myMapView removeAnnotations:myMapView.annotations];
}
}
NSURL *imgURL = [NSURL URLWithString:[[myTblArray objectAtIndex:imgIndex]valueForKey:@"Property_Photo"]];
UIImage *imgPhoto = [UIImage imageWithData:[NSData dataWithContentsOfURL:imgURL]];
UIImageView *pinImgView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0,35, 35)];
imgIndex++;
[pinImgView setImage:imgPhoto];
annView.rightCalloutAccessoryView = mybtn;
annView.leftCalloutAccessoryView = pinImgView;
[annView setBackgroundColor:[UIColor clearColor]];
}
[annView setEnabled:YES];
annView.canShowCallout = YES;
annView.calloutOffset = CGPointMake(-5, 5);
annotationView = annView;
return annotationView;
}
