3. initState() This is the first method called when the widget is created (after the class constructor, of course.) initState is called once and only once.
Read moreHow many times initState is called?
initState is called only once for every widget . didChangeDependencies may be called multiple times per widget lifecycle in my case it was called when the keyboard appears/disappears. initState() Called when a new Widget is inserted into the tree.
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 moreWhat is difference between StatefulWidget and Statelesswidget?
Stateful and stateless widgets A widget is either stateful or stateless. If a widget can change—when a user interacts with it, for example—it’s stateful. A stateless widget never changes.
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