launching keyboard of languages other than english

i have build a Mac OS X sample application which ca开发者_开发问答n open on screen keyboard using

NSWorkSpace methods which is in english keys only. But, when i set the localization to other

language to japanese(say) then what should i do to launch the on screen key board with keys

appearing in japanese language.

The Keyboard Viewer input method uses the keyboard layout of the last selected keyboard input source. You can select a keyboard input source using TISSelectInputSource().