On using external font in android my Application closes autometically

I am trying external font in my application but Application crash automatically.

I am using the code

Typeface face;

face = Typeface.createFromAsset(getAssets(), "font.otf"); 

textview.setTypeface(face); 

its working but if i switch this activity more frequently then it crashes..

Give m开发者_Go百科e solution....

Please help me...

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Enclose this code in try { } catch { } block and see what exception it throws. This will help you a lot. Also you can just run the app in debug mode and when it crashes, you will see the e var in the variables tab.