Make it compatible with targetSDK 28+

[parikshitsharma717]

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.app.example, PID: 25825
java.lang.IllegalArgumentException: Invalid Region.Op - only INTERSECT and DIFFERENCE are allowed

suggestion : you need to replace canvas.clipPath(path, Region.Op.REPLACE); with canvas.clipPath(path);

optional: try to upgrade it to androidx