1
我有这个代码,当我点击单元格内的文本框,以便键盘不重叠底部行时,调整tableview的大小。问题是,它会调整后,它滚动表中的,而不是我点击了文本框在细胞的顶部。UITableView调整大小,但不正确滚动
- (void)keyboardDidShow:(NSNotification *)notification
{
NSDictionary *userInfo = [notification userInfo];
CGSize size = [[userInfo objectForKey: UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
CGRect frame = CGRectMake(self.vitalsTableView.frame.origin.x,
self.vitalsTableView.frame.origin.y,
self.vitalsTableView.frame.size.width,
self.vitalsTableView.frame.size.height - size.height);
self.vitalsTableView.frame = frame;
VitalsTableViewCell *cell = (VitalsTableViewCell*)[self.selectedTextField superview];
[self.vitalsTableView scrollRectToVisible:cell.frame animated:YES];
}
- (void)keyboardWillHide:(NSNotification *)notification
{
NSDictionary *userInfo = [notification userInfo];
CGSize size = [[userInfo objectForKey: UIKeyboardFrameEndUserInfoKey] CGRectValue].size;
self.vitalsTableView.frame = CGRectMake(self.vitalsTableView.frame.origin.x,
self.vitalsTableView.frame.origin.y,
self.vitalsTableView.frame.size.width,
self.vitalsTableView.frame.size.height + size.height);
}
- (void) textFieldDidBeginEditing:(UITextField *)textField {
self.selectedTextField = textField;
// [self scrollToRectOfTextField];
NSIndexPath *path = [self.vitalsTableView indexPathForSelectedRow];
[self.vitalsTableView scrollToRowAtIndexPath:path atScrollPosition:UITableViewScrollPositionTop animated:YES];
}
- (void)scrollToRectOfTextField {
VitalsTableViewCell *cell = (VitalsTableViewCell*)[self.selectedTextField superview];
CGRect r = CGRectMake(self.selectedTextField.frame.origin.x,
cell.frame.origin.y+self.selectedTextField.frame.origin.y,
self.selectedTextField.frame.size.width,
self.selectedTextField.frame.size.height);
[self.vitalsTableView scrollRectToVisible:r animated:YES];
NSIndexPath *path = [self.vitalsTableView indexPathForSelectedRow];
[self.vitalsTableView scrollToRowAtIndexPath:path atScrollPosition:UITableViewScrollPositionTop animated:YES];
}
正确,但不应该'scrollToRectOfTextField'方法我有这样做? – Jon
哦,是的。更新我的答案以反映这一点。 :) – john
此外,你甚至不会调用'scrollToRectOfTextField'。你评论它。一旦你取消注释,它会起作用吗?还是你在别的地方叫它? – john