UITextField in UIAlertView on iPhone – how to make it responsive?

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Anyone supporting iOS 5.0 onwards with ARC, there’s this direct alertViewStyle property you can set:

-(void)showAlertWithTextField{
    UIAlertView* dialog = [[UIAlertView alloc] initWithTitle:@"Enter Name" message:@"" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Add", nil];    
    [dialog setAlertViewStyle:UIAlertViewStylePlainTextInput];

    // Change keyboard type
    [[dialog textFieldAtIndex:0] setKeyboardType:UIKeyboardTypeNumberPad];
    [dialog show];
}

-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
    if (buttonIndex == 1)
        NSLog(@"%@",[[alertView textFieldAtIndex:0]text]);
}

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