ABPersonViewController並隱藏取消按鈕

Question

ABPersonViewController默認在右側按鈕欄位置顯示「取消」按鈕。如何隱藏/清除該項目？必填代碼示例如下：

ABPersonViewController *picker = [[[ABPersonViewController alloc] init] autorelease]; 
picker.personViewDelegate = self; 
picker.displayedPerson = aPerson; 
picker.allowsEditing = NO; 

謝謝。

Answer 1

已解決！子類ABPersonViewController，覆蓋​​，致電超級，然後將rightBarButtonItem設置爲nil。達達！

@interface PersonViewController : ABPersonViewController 
@end 

@implementation PersonViewController 

- (void)viewDidLoad { 
    [super viewDidLoad]; 
    self.navigationItem.rightBarButtonItem = nil; 
} 

@end 

Answer 2

簡單多了：

ABPersonViewController *picker = [[[ABPersonViewController alloc] init] autorelease]; 
picker.personViewDelegate = self; 
picker.displayedPerson = aPerson; 
picker.allowsEditing = NO; 
[self.navigationController pushViewController:picker animated:YES]; 
picker.navigationItem.rightBarButtonItem = nil; // remove "Cancel" button 
[picker release]; 

（簡單地添加rightBarButtonItem =零pushViewController後）。