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我有一個UIPopoverController，它是從我的UIViewController上的一個按鈕提供的，但是當我點擊視圖的任何部分時，它不是隱藏的彈出窗口？從UIButton提供的UIPopoverController不會隱藏？
呈遞本酥料餅的按鈕是動態創建的，你會看到，在下面的代碼中引用：
-(IBAction)showModifiers:(id)sender{
[self.popoverController dismissPopoverAnimated:YES];
UIView *theSuperview = self.view;
CGPoint touchPointInSuperview = [sender locationInView:theSuperview];
UIView *touchedView = [theSuperview hitTest:touchPointInSuperview withEvent:nil];
currentPopoverTag = [touchedView tag];
NSLog(@"Show Modifiers %i %i", [touchedView tag], currentPopoverTag);
RepZioCoreDataAppDelegate *appDelegate = [[UIApplication sharedApplication] delegate];
if (appDelegate.popoverController)
[appDelegate.popoverController dismissPopoverAnimated:YES];
self.modifierListPopoverViewController = nil;
ModifierListCollection *collection = [self.modifierLists objectAtIndex:[touchedView tag]-100];
ModifierList *modifierList = [self getModifierList:collection.ModifierListID];
self.modifierListPopoverViewController =
[[[ModifierListPopoverViewController alloc] initWithModifierList:modifierList withManufacturerID: self.manufacturerID] autorelease];
self.modifierListPopoverViewController.delegate = self;
self.popoverController = [[[UIPopoverController alloc] initWithContentViewController:modifierListPopoverViewController] autorelease];
[self.popoverController presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
}