iPhone Radio Button Example

iPhone Radio Button Example

Can you please suggest me how to create Radio button in my iPhone application. Actually, in my application i have two images on UIButton 1) selected and 2) unselected ..what i want is, when a user click on that button it get selected and by default it should display unselected.

Thanks for any help in advance.

View Answers

March 6, 2011 at 2:23 PM

UIButton *Radiobutton = [UIButton buttonWithType:UIButtonTypeCustom];

 [Radiobutton setImage:[UIImage imageNamed:@"checkbox.png"] forState:UIControlStateNormal];

 [Radiobutton setImage:[UIImage imageNamed:@"checkedbox.png"] forState:UIControlStateSelected];

 [Radiobutton setFrame:CGRectMake(0, 0, 17, 17)];

 [Radiobutton addTarget:self action:@selector(checkboxButton:) forControlEvents:UIControlEventTouchUpInside];
     [self.view addSubview:Radiobutton];

and Action should be alike ----------------------------

- (IBAction)checkboxButton:(UIButton *)button{

     for (UIButton *Radiobutton in [self.view subviews]) {
          if ([Radiobutton isKindOfClass:[UIButton class]] && ![Radiobutton isEqual:button]) {
               [Radiobutton setSelected:NO];
          }
     }
     if (!button.selected) {
          button.selected = !button.selected;
     }
}

May 1, 2012 at 11:29 PM

Cool!Thanks for this code! But I want that to preserve the selected radiobutton,that when i again open that view ,the radiobutton which i had selected should remain selected.

Thanks in advance!

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