Storage read function

Hi, I wonder something about storage subject. I can read and write from Json file. But if I read before writing ( because I dont want to login page when I run the app every time, I want store the information first time for use it later ), I get a log message : file doesn’t exist. Even so app is running in virtual phone. This situation prevents the operation of the application ?

This shouldn’t be a problem for you app. It just happens because you haven’t written the file yet.

Yes, it’s running properly. Thank you so much.