如何在代码中的UIToolBar中添加UIBarButtonItem

4 回答

• 1

  你能比“它不起作用”更具体吗？

  如果您尝试将项目添加到已有项目的工具栏，则需要修改项目数组：

  NSMutableArray *newItems = [self.toolbarItems mutableCopy];
  [newItems addObject:share];
  self.toolbarItems = newItems;
  

  回复于 2024-04-29T16:42:39+08:00
• 0

  确保以编程方式将工具栏设置为IBOutlet或添加工具栏

  IBOutlet UIToolbar *toolBar;
  
  UIBarButtonItem *infoButtonItem=[[UIBarButtonItem alloc]initWithTitle:@"info" style:UIBarButtonItemStyleBordered  target:self action:@selector(infoButtonClicked)];
  
  toolBar.items = [NSArray arrayWithObjects:infoButtonItem, nil];
  

  回复于 2024-04-29T16:42:39+08:00
• 9

  确保工具栏不是't hidden; you could try adding the following to your view controller' s viewWillAppear:animated: 方法：

  [self.navigationController setToolbarHidden:NO animated:YES];
  

  回复于 2024-04-29T16:42:39+08:00
• 11

  [toolbar setItems:[NSArray arrayWithObject:share] animated:YES];

  回复于 2024-04-29T16:42:39+08:00