android - How set my ACTION BAR to support right to left -

this question has answer here:

• how handle rtl languages on pre 4.2 versions of android? 2 answers

i new on android , want write application support rtl languages. wrote

android:supportsrtl="true" 

on application part of manifest file , call forcerighttoleft on oncreate method of android. method have following body:

@targetapi(build.version_codes.jelly_bean_mr1) private void forcertlifsupported() {     if (build.version.sdk_int >= build.version_codes.jelly_bean_mr1) {         getwindow().getdecorview().setlayoutdirection(                 view.layout_direction_rtl);     } } 

but understand on sdk api 16(android 4.1) , version before didn't supported , action bar show left right. search couldn't find solution. please don't minus code let me know , delete if not true question.

try bidi class

see answer also.