Flutter Circular Progress Indicator

Question

After exiting the PDF my circular progress indicator appears. I used a method named show Loader Dialog for displaying progress indicator and it works but even after displaying PDF and exiting it, the circular progress indicator appears. How to not show this progress indicator on exiting the PDF? Can anyone help me in this. I have following codes and pictures for your understanding. Code code

displaying PDF after displaying PDF and upon exit progress indicator appears

Answer 1

after opening the pdf put Navigator.pop() for closing the dialog might help if not let me know