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2) How can I exit from application when pressed exit button ?

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 for (UIView *common in self.view.subviews) {
        if ([common isKindOfClass:[UITextField class]] || [common isKindOfClass:[UILabel class]]) {
            commonTextField.text = @"";
        }
    }

More Answer related to the Same Query

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-(void)fnClear{
tf1.text = @"";
..
lbl1.text = @"";
..
}

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-(IBAction)Clear
{
   [email protected]"";
   [email protected]""
}

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