`Multiple radio button validation in iphone sdk - iphone

Question

I want to do validationin Multiple dynamicRadio buttons. I want to checkRadio buttonisselected` or not. if not selected then show alert and selected then go to another thing.
following code i use..
-(IBAction)btnNextClicked:(id)sender{
if ([appDelegate.questions count]> i) {
for (UIButton *btn in self.view.subviews)
{
if ([btn isKindOfClass:[UIButton class]])
{
if (btn.selected)
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"BizVibe" message:#"Please select answer" delegate:self cancelButtonTitle:#"Ok" otherButtonTitles:nil, nil];
[alert show];
[alert release];
return;
}
else{
for (int k=0; k<[[[appDelegate.questions objectAtIndex:i-1] objectForKey:[[appDelegate.questions objectAtIndex:i-1] objectForKey:#"question"]] count]; k++) {
for (UILabel *lbl in self.view.subviews)
{
if ([lbl isKindOfClass:[UILabel class]])
{
if (lbl.tag==k)
{
[lbl removeFromSuperview];
}
}
}
for (UIButton *btn in self.view.subviews)
{
if ([btn isKindOfClass:[UIButton class]])
{
if (btn.tag==k)
{
[btn removeFromSuperview];
}
}
}
}
[self LoadQuestionAnswer];
return;
}
}
}
}
else{
Term_para *termMSP = [[Term_para alloc]init];
[self.navigationController pushViewController:termMSP animated:YES];
[termMSP release];
}
}
Please help me what i can do?
Thanks in advance..

Answer 1

Well I cant help in your code because i dont know what do you want to do in that code body but you can handle a button selected and UnSelected using a BOOL variable and its up to your logic. See below example -
BOOL isSelected; // Declared it globally
-(IBAction)btnClicked:(id)sender
{
if(isSelected)
{
[btn setTitle:#"Unselected" forState:UIControlStateNormal];
}
else
{
[btn setTitle:#"Selected" forState:UIControlStateNormal];
}
isSelected = !isSelected;
}

Answer 2

Here is a tutorial on radio button feature in iOS. Check it out. It might guide you to the right direction.