如何在日食中水平/垂直翻转线性布局？

I have a question here. How to flip (vertically/horizontally) a linearlayout in eclipse? I mean, I have a project which to put 10 different language into that layout. The one that bothering me is how to put Arabic and Persian language since the writing is start from right. So I think a solution which is to flip the layout when it detect that the language is Arabic or Persian. But I don't know how do it. I appreciate with every help here. thanks :)I have a question here. How to flip (vertically