我已閱讀關於此特定主題的一些答案,但出於某種原因,我的代碼似乎無法正常工作。這是UISearchBarDelegate委託方法-(void)searchBarSearchButtonClicked:(UISearchBar *)searchBar
UINavigationBar內的活動指示器
UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];
UIBarButtonItem *activity = [[UIBarButtonItem alloc] initWithCustomView:activityIndicator];
[[self navigationItem] setRightBarButtonItem:activity];
[activity release];
[activityIndicator startAnimating];
任何幫助中或建議,非常感謝!
您可能忽略activityIndicatorViewStyle ..!也不要忘記釋放activityIndicator – Mahesh
不知道這是你的情況,在我的應用程序之一,我做了一些指示燈延遲使用例如: [self performSelector:@selector(yourmethod)withObject:零後延遲:0.2]; – user523234