A stateful widget is defined as any widget which changes its state within its lifetime. But it is a very common practice for a StatelessWidget to have a StatefulWidget as one of its children .9 Eyl 2018
Read moreWhat is the widget that has a mutable state?
Stateful widgets have a mutable state, i.e., they are mutable and can be drawn multiple times within its lifetime. They are the widgets which can change their state multiple times and can be redrawn on to the screen any number of times while the app is in action.
Read moreCan I use initState in stateless widget?
But you shouldn’t! In fact, your IDE will give you a warning, because this is not the way to go with Stateless widget as it is marked as @immutable . If you need to use lifecycle methods (like initState() ) you should make it a Stateful widget . There’s no big deal.21 Şub 2019
Read moreCan a stateless widget have a stateful child?
A stateful widget is defined as any widget which changes its state within its lifetime. But it is a very common practice for a StatelessWidget to have a StatefulWidget as one of its children .
Read moreIs context available in initState?
The initstate() is called before the state loads its dependencies. And for that reason no context is available .
Read moreHow do you change the text value in flutter?
First, define a value outside of methods. String textValue=”Example value”; Then, set this value in your text widget. Text(textValue);
Read moreHow do you update items in a list in flutter?
You can do so by nesting a stream builder in each item builder . This works by using the initialData argument of the stream builder. Though, you may want to benchmark this and compare it to updating the whole list, because flutter reuses the elements in all cases and the streams might just bring more overhead.
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