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 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 avoid disposal in flutter?
When you write MyAnimatedWidget() in your code, this means that you initiate a new instance of widget again that’s why the old one is getting disposed because it isn’t used anymore. You can create a field of type MyAnimatedWidget() inside your class and return it with the opacity or not .
Read moreWhen should we use dispose?
The dispose pattern is used for objects that implement the IDisposable interface, and is common when interacting with file and pipe handles, registry handles, wait handles, or pointers to blocks of unmanaged memory . This is because the garbage collector is unable to reclaim unmanaged objects.
Read moreWhy in it dispose is used flutter?
We uses dispose() method in order to stop/avoid memory linkage when state object is removed from the widget tree .
Read moreHow do you dispose of ticker flutters?
All Tickers must be disposed before calling super. dispose(). Tickers used by AnimationControllers should be disposed by calling dispose() on the AnimationController itself . Otherwise, the ticker will leak.
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