#import "PCCPViewController.h"

//first
NSDictionary * countryDic = [PCCPViewController infoFromSimCardAndiOSSettings];
//or
NSDictionary * countryDic = [PCCPViewController infoForPhoneCode:86]; //86 just for China

UIImage * flag = [PCCPViewController imageForCountryCode:countryDic[@"country_code"]];
NSLog(@"%@", countryDic);

//second
PCCPViewController * vc = [[PCCPViewController alloc] initWithCompletion:^(id countryDic) {
    NSLog(@"%@", countryDic);
    UIImage * flag = [PCCPViewController imageForCountryCode:countryDic[@"country_code"]];
}];
[vc setIsUsingChinese:YES or NO];
UINavigationController *naviVC = [[UINavigationController alloc] initWithRootViewController:vc];
[self presentViewController:naviVC animated:YES completion:NULL];