Convert Chinese to pinyin in Swift | Chinese Rule of Eight

http://stackoverflow.com/questions/4813086/how-to-convert-chinese-characters-to-pinyin

CFStringRef zhCStr = (__bridge_retained CFStringRef)self.chineseTextField.text;

CFMutableStringRef translateToPinYin = CFStringCreateMutableCopy(NULL, 0,

zhCStr);

CFStringTransform(translateToPinYin, NULL, kCFStringTransformMandarinLatin, NO);

CFStringTransform(translateToPinYin, NULL, kCFStringTransformStripDiacritics, NO);

[weakSelf.englishTextField setText:CFBridgingRelease(translateToPinYin)];