Getting a black screen when navigating between two pages in flutter

Question

This is my home page code:

routes: {
    '/second' : (context) => addExpence(),
  },

my second-page code is:

FlatButton(
            child: Text("Done".toUpperCase()),
            onPressed: (){
              Navigator.pop(context);
            },
          )

please note that both pages are in different files. Now the problem is that I am getting a black screen when popping from the First Page.

Mazin Ibrahim · Accepted Answer · 2019-02-28 17:17:16Z

2

It's a natural thing to get a black screen when you pop from the first page because the Navigator will be empty. The only reason you're popping the first page is probably to close your app, for which you should use this method.

answered Feb 28, 2019 at 17:17

Mazin Ibrahim

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2 Comments

chitgoks Over a year ago

but how will you be able to know that that method should be used to exit the app? override the back button event and check if it is the top screen?

Lewis Weng Over a year ago

@chitgoks for me , if Navigator.of(context).canPop() is true call Navigator.of(context).pop() ,otherwise SystemNavigator.pop()

Umair · Accepted Answer · 2021-11-18 11:29:11Z

0

@Lewis Weng's answer is the correct one that works for me too.

if(Navigator.canPop(context)){
   Navigator.of(context).pop();
}else{
   SystemNavigator.pop();
}

answered Nov 18, 2021 at 11:29

Umair

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