how to manage multiLanguage from android application?

i want to change my application language from activity.

i have language dropdown on my activity and if i change that dropdown my application language should start using that language

now the problem is if we change language from phone settings then android automatically picks appropriate file and di开发者_开发问答splay data on activity for example en-us,fr-rFR

now in my application what should i do so that android start using those language files?

any help would be appreciated.

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I think I found what you were looking for: http://www.tutorialforandroid.com/2009/01/force-localize-application-on-android.html