我有 UIWebView。我需要从 UIWebView 中选择一些文本。所以我将 UIMenuController 用于 MenuItem。我需要在单击按钮时显示 UIMenuController。但它不起作用。如果我将代码粘贴到 ViewDidLoad 中,它就可以工作。
代码:
[wbCont loadHTMLString:webString baseURL:nil];
[self.view addSubview:wbCont];
button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button.frame = CGRectMake(80.0, 120.0, 160.0, 40.0);
[button addTarget:self
action:@selector(show:)
forControlEvents:UIControlEventTouchDown];
[button setTitle:@"Shows" forState:UIControlStateNormal];
[self.view addSubview:button];
-(void)show:(id)sender{
NSMutableArray *items = [[[UIMenuController sharedMenuController] menuItems] mutableCopy];
if (!items) items = [[NSMutableArray alloc] init];
UIMenuItem *menuItem;
menuItem = [[UIMenuItem alloc] initWithTitle:@"BookMark" action:@selector(book:)];
[items addObject:menuItem];
[menuItem release];
menuItem = [[UIMenuItem alloc] initWithTitle:@"Note" action:@selector(note:)];
[items addObject:menuItem];
[menuItem release];
[[UIMenuController sharedMenuController] setMenuItems:items];
[items release];
}