PayUBiz - Android: getting Mandatory param hash is missing

[abduliOS]

I'm integrating PayUBiz in my Android application. I have downloaded sample app from here(i did not do anything changes in sample app). i just run sample app .

now i am working in test environment. it won't work. It gives "Mandatory param hash is missing".

please find attachment ..kindly give me any suggestions to work

[JacobSamro]

Make sure that you have sent all he parameters mentioned in the documentation

Android : https://documentation.payubiz.in/custom-ui-android/
iOS : https://documentation.payubiz.in/custom-ui-ios/