popover initiation

popover.m

-(void)countryPop{
    UIViewController *countryContent = [[UIViewController alloc]init];
    UIView  *popDataPickerView = [[UIView alloc]init];
    popDataPickerView.backgroundColor = [UIColor whiteColor];
    UIPickerView *countryPicker = [[UIPickerView alloc]init];
    self.countryList = [[UIPopoverController alloc]initWithContentViewController:countryContent];
    self.countryList.delegate = self;
    countryPicker.delegate=self;
    countryPicker.dataSource = self;
    
    [popDataPickerView addSubview:countryPicker];
    countryContent.view = popDataPickerView;
    [self.countryList setPopoverContentSize:CGSizeMake(320, 240) animated:YES];
    [self.countryList presentPopoverFromRect:txtCountry.frame inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
}