My Android app is crashing on some device duo to java.lang.RuntimeException? : <p>My Android App is crashing on some devices due to java.lang.RuntimeException?
It crashes mostly on Android version 7.0 and 7.1. Some of the devices on which it has crashed is Redmi Note 4, Moto G (5) Plus, OnePlus 3. I don't know how why It is crashing but I am giving you the link of both the app and the source code here 
App Link : <a href="https://play.google.com/store/apps/details?id=com.soloprogrammer.noughtsandcrosses" rel="nofollow noreferrer">https://play.google.com/store/apps/details?id=com.soloprogrammer.noughtsandcrosses</a></p>

<p>Source Code: <a href="https://github.com/iamshubhamsaurav/Noughts_and_Crosses" rel="nofollow noreferrer">https://github.com/iamshubhamsaurav/Noughts_and_Crosses</a></p>
