以下是UISegmentedControl
UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects: [UIImage imageNamed:@"down.png"], [UIImage imageNamed:@"dList.png"], nil]];
[segmentedControl addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];
segmentedControl.frame = CGRectMake(0, 0, 90, 65);
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
segmentedControl.momentary = YES;
UIBarButtonItem *segmentBarItem = [[UIBarButtonItem alloc] initWithCustomView:segmentedControl];
[segmentedControl release];
self.navigationItem.rightBarButtonItem = segmentBarItem;
[segmentBarItem release];
和
- (void)segmentAction:(id)sender{
if([sender selectedSegmentIndex] == 0)
{
button.hidden=NO;
}
else
{
[self dListMethod ];
}
}
在 if() 部分我想禁用 selectedSegmentIndex==0
并在 button.hidden=YES
时启用
最佳答案
使用 setEnabled:forSegmentAtIndex:
方法启用和禁用段。
[segmentedControl setEnabled:NO forSegmentAtIndex:0];
如果你想禁用第一个段。
关于iphone - 如何禁用部分 UISegmentedControl?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/6355968/