Single Radio Button and Checkbox

-(void)viewDidAppear:(BOOL)animated{

    

    //Checkboxes

    

    checkbutton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 20, 20)];

    [checkbutton setBackgroundImage:[UIImage imageNamed:@"check.jpeg"] forState:UIControlStateNormal];

    [checkbutton setBackgroundImage:[UIImage imageNamed:@"che1.png"] forState:UIControlStateSelected];

    [checkbutton addTarget:self action:@selector(checkboxSelected:) forControlEvents:UIControlEventTouchUpInside];

    [self.view addSubview:checkbutton];

    //radio buttons

    radiobutton = [[UIButton alloc] initWithFrame:CGRectMake(0, 80, 20, 20)];

    [radiobutton setTag:0];

    [radiobutton setBackgroundImage:[UIImage imageNamed:@"radio.jpeg"] forState:UIControlStateNormal];

    [radiobutton setBackgroundImage:[UIImage imageNamed:@"sel.jpeg"] forState:UIControlStateSelected];

    [radiobutton addTarget:self action:@selector(radiobuttonSelected:) forControlEvents:UIControlEventTouchUpInside];

    

    radiobutton2 = [[UIButton alloc] initWithFrame:CGRectMake(80, 80, 20, 20)];

    [radiobutton2 setTag:1];

    [radiobutton2 setBackgroundImage:[UIImage imageNamed:@"radio.jpeg"] forState:UIControlStateNormal];

    [radiobutton2 setBackgroundImage:[UIImage imageNamed:@"sel.jpeg"] forState:UIControlStateSelected];

    [radiobutton2 addTarget:self action:@selector(radiobuttonSelected:) forControlEvents:UIControlEventTouchUpInside];

    

    

    [self.view addSubview:radiobutton];

    [self.view addSubview:radiobutton2];

}

-(void)checkboxSelected:(id)sender{

    

    

    if([checkbutton isSelected]==YES)

    {

        [checkbutton setSelected:NO];

    }

    else{

        [checkbutton setSelected:YES];

    }

    

}

-(void)radiobuttonSelected:(id)sender{

    switch ([sender tag]) {

        case 0:

            if([radiobutton isSelected]==YES)

            {

                [radiobutton setSelected:NO];

                [radiobutton2 setSelected:YES];

            }

            else{

                [radiobutton setSelected:YES];

                [radiobutton2 setSelected:NO];

            }

            

            break;

        case 1:

            if([radiobutton2 isSelected]==YES)

            {

                [radiobutton2 setSelected:NO];

                [radiobutton setSelected:YES];

            }

            else{

                [radiobutton2 setSelected:YES];

                [radiobutton setSelected:NO];

            }

            

            break;

        default:

            break;

    }

    

}