UINavigationBar的問題

Question

我添加了一個UINavigationBar的到我UIView

我想設置標題，其leftbar byut失敗

我用下面的代碼

self.title = @"Edit Table "; 
UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithTitle:@"Edit" style:UIBarButtonItemStyleBordered target:self action:@selector(EditTable:)]; 
[self.navigationItem setLeftBarButtonItem:addButton]; 
[super viewDidLoad]; 

沒有什麼改變，我叫這個uiview使用

self.NodeSelection = [[NodesList alloc]initWithNibName:@"NodesList" bundle:nil]; 
[self presentModalViewController:self.NodeSelection animated:YES]; 

任何建議請

Answer 1

更新

調用此查看使用

[self.navigationController pushViewController:self.NodeSelection animated:YES]; 

您可以使用此

self.navigationItem.title = @"Hello"; 

和對於leftBarButton你的代碼是正確的改變導航欄的標題。

第二次更新

對於迴歸父屏幕

[self.navigationController popViewControllerAnimated:YES]; 

Answer 2

UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithTitle:@"Edit" style:UIBarButtonItemStylePlain target:self action:@selector(EditTable:)]; 
[self.navigationItem setLeftBarButtonItem:addButton]; 
[addButton release];