Button Not visible at run time. Studio Preview coming

[RameshbabuJaga]

I have integrated your proswipebutton class and it works fine. I have tried to integrate the same in fragment activty unfortunately its showing white space. see the screen attached. in studio preview like this https://lh3.googleusercontent.com/-gXZlIf27480/XCSk6IYYEdI/AAAAAAAADO8/pH27_khJkc8lv1fet0x7kV7zmJOVfA-MwCL0BGAYYCw/h154/2018-12-27.png mobile preview like this https://lh3.googleusercontent.com/-369T0y7-cX0/XCSk7FeuNAI/AAAAAAAADPA/x1Jamo2S-oEnv9nzX0q1zcojowewEJ7LACL0BGAYYCw/h211/2018-12-27.png Please help me where am doing wrong.

[ishaangarg]

If it's visible in the Studio Preview, then it should work in mobile too.

Please make sure that you're not making it INVISIBLE programmatically.

Can you maybe a post a StackOverflow question with relevant Java & XML code and I'll take a look :)