When getting the current language of the device, we usually use the following API:


In iOS 8 and below, the above API will returns an NSArray of language code. For example:
"en", "ja", "es"


But in iOS 9, this changed! So if you are using this API in your code, you need to consider the new return value format. The return values are now in the format:
"<language code>-<region code>"

For example:
"en-US", "en-JP", "ja-US", "es-US"



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Thank you!

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