古吉拉特语字体的Andr​​oid应用程序

我在开发的是一种在文本视图古吉拉特语字体的应用，但我的问题是，在文本查看显示框，而不是古吉拉特语字体我有字型和文本试图在string.xml但不工作，请帮助我，我要在学校在周二提交，请帮我

I am developing application which is having Gujarati font in text-view but my problem is that in text-view it shows the box instead of Gujarati font i have tried by "TypeFace" and text is at string.xml but it is not working please help me i have to submit on tuesday at school so please please help me

感谢您提前

TextView的上限=（TextView中）view.findViewById（R.id.caption）;
字体TF = Typeface.createFromAsset（getAssets（），字体/ gujaratifont.ttf）;
cap.setTypeface（TF）;
cap.setText（R.string.gujarati）;