Question

I have 8 checkbox buttons (with title A,B,C,D,E,F,G,H) and one checkbox button (with title ‘myButton‘)

I want to select all 8 check boxes when I click on ‘myButton‘ checkbox, And if any one of the 8 is deselected, then uncheck ‘myButton‘ Check box.

let me know if anybody has answer.

Answer 1

Give your check box tags like: 1,2,3,…,8 and 9 for myButton Check box.

When you click on myButton:

if(//If my check box button is not already selected)
{
   //check all
   for (int loop = 1; loop<9;loop++)
   {
     UIButton *check = (UIButton *)[self.view viewWithTag:loop];
     //check that button
   }
}
else
{
   //uncheck all
}

For unchecking the myButton you can use:

UIButton *check = (UIButton *)[self.view viewWithTag:9];
//uncheck it

Edit:

If you created intermediate views for placing the button use that view instead of self.view.

 UIButton *check = (UIButton *)[placedView viewWithTag:loop];