A little bug when using in floatwindow

[luzhzhsoft]

Hello ,i am form china .you project is very good .But i find a little bug in your project .When I use your lib in floatwindow ,it draw twice.I think it may because you use shadow layer,but i do not konw why.
please see the image.

https://github.com/luzhzhsoft/MonkeyApplication/blob/master/app/src/main/res/drawable/Screenshot_2016-05-11-11-11-44.png

[luzhzhsoft]

https://github.com/luzhzhsoft/MonkeyApplication/blob/master/app/src/main/res/drawable/Screenshot_2016-05-11-11-11-44.png?raw=true

[GIGAMOLE]

Hello. Thanks for feedback. What is float window? And can you provida avilable link.