java - How to resolve PayPal pin change in Android -

whenever implement mpl library in android project, payment procedure person person ok. after payment, ask me pincode insertion procedure. after inserting pin code , mobile number against account facing "unfortunately close" below error:

com.paypal.mobilepayments.pizza,pid 15556 android.view.viewrootimpl$calledfromwrongthreadexcpetion: original thread created view hierarchy can touch it's view. android.view.viewrootimpl.checkthread(viewrootimpl.java:6745) 

what doing wrong?

you have use code in runonuithread this.you have run method in main thread.

runonuithread(new runnable() {                     @override                     public void run() {                         //your code here                     }                 });