2011-06-26 55 views
0

嗨can some1 plz幫助我....detailButton無法推送信息。推頁面總是有空標籤

問題是這樣的:一切似乎沒事..我能夠推到另一個頁面,一旦我點擊detailButton。但是,我能夠推送的頁面始終只是一個沒有任何值傳遞到標籤的視圖。我在視圖中的所有標籤都沒有內容..我在這裏做錯了什麼或錯誤的概念嗎?

- (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>)annotation 
{ 

    BOOL isRed = NO; 
    //BOOL isPurple = YES; 

    if([annotation isKindOfClass:[MyAnnotation2 class]]) 
     isRed = YES; 



    MKPinAnnotationView *pinView = nil; 



    if(isRed) { 
     static NSString *redPin = @"redPin"; 
     pinView = (MKPinAnnotationView *) [mapView dequeueReusableAnnotationViewWithIdentifier:redPin]; 
     if (!pinView) { 
      pinView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:redPin] autorelease]; 
      pinView.pinColor = MKPinAnnotationColorRed; 
      pinView.animatesDrop = YES; 
      pinView.canShowCallout = YES; 

      UIButton *detailButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; 


      pinView.rightCalloutAccessoryView = detailButton; 

     } 

     else{ 
      pinView.annotation = annotation; 
     }  
    } 
    else { 
     static NSString *greenPin = @"greenPin"; 
     pinView = (MKPinAnnotationView *) [mapView dequeueReusableAnnotationViewWithIdentifier:greenPin]; 
     if (!pinView) { 
      pinView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:greenPin] autorelease]; 
      pinView.pinColor = MKPinAnnotationColorGreen; 
      pinView.animatesDrop = NO; 
      pinView.canShowCallout = YES; 
      UIButton *detailButton = [UIButton buttonWithType:UIButtonTypeDetailDisclosure]; 


      pinView.rightCalloutAccessoryView = detailButton; 

     } 

    } 
    return pinView; 

} 

//

- (void)mapView:(MKMapView *)mapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control 
{ 
    NSLog(@"calloutAccessoryControlTapped"); 

if (self.patientDetailsViewController == nil) { 
    self.patientDetailsViewController = [[[PatientDetailsViewController alloc] initWithNibName:@"PatientDetailsViewController" bundle:nil] autorelease];   
} 

MyAnnotation2 *selectedObject = (MyAnnotation2 *)view.annotation; 
_patientDetailsViewController.nric = selectedObject.title; 
NSLog(@"%@",_patientDetailsViewController.nric); 
[self.navigationController pushViewController:_patientDetailsViewController animated:YES]; 

}

回答

0

不要用你自己的目標/行動,並標註爲標註附件按鈕。

而是使用MKMapViewDelegate方法calloutAccessoryControlTapped:。刪除addTarget行並實施委託方法。

在該委託方法,您可以訪問使用註釋抽頭:

MyAnnotation2 *selectedObject = (MyAnnotation2 *)view.annotation; 
+0

對不起,我是一個菜鳥,所以我逼債很懂はü意味着通過實施calloutAccessoryControlTapped ... u能闡述升技更多.. 而在我的委託方法我有這個: MyAnnotation2 * selectedObject = [self.annotation2 objectAtIndex:selectedIndex];我還需要這樣的: MyAnnotation2 * selectedObject = 非常感謝您的幫助! –

+0

嗨安娜,我遵循你的建議,它仍然返回我空值在標籤...請幫助=( Plz看看上面的新代碼謝謝! –

+0

嗨,安娜,thx爲您的幫助!我已經解決它也是..問題是我通過在整個標題作爲nric ...解決它與: NSString * str = selectedObject.title; NSString * newStr = [str substringtringFromIndex:6]; Thx again你的意見不針對=) –