How to set Random number to number of Textview with different numbers?

I am new to android developement.So,my question is, I have One LinearLayout and In this LineaLayout I have 28 TextView and In this TextView I want to display Random numbers to all TextView with different number which is generated by Random number.

Currently : TextView display same number to all TextView but I want to display different numbers to all TextView

Here is the screenshot of my Layout :

So,If anyone know then give me idea.