This happens because when you do Navigator.of(context), it will start from the widget associated to the context used. And then go upward in the widget tree until it either find a Navigator or there’s no more widget.
So, it throws an Error
Navigator operation requested with a context that does not include a Navigator.
So, how do I fix it ?
First, let’s reproduce this error :
This example creates a button that attempts to go to ‘/’ on click but will instead throw an exception.
Notice here that in the
onPressed: () => Navigator.pushNamed(context, "/"),Code language: JavaScript (javascript)we used context passed by to build of MyApp.
The problem is, MyApp is actually a parent of MaterialApp. As it’s the widget who instantiate MaterialApp! Therefore MyApp’s BuildContext doesn’t have a MaterialApp as parent!
To solve this problem, we need to use a different context.
In this situation, the easiest solution is to introduce a new widget as child of MaterialApp. And then use that widget’s context to do the Navigator call.
There are a few ways to achieve this. You can extract home into a custom class :
Or you can use Builder :
That’s All.
Thanks for Reading.
Keep Coding.
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