WebOct 18, 2024 · I've found a very naive and easy approach for state management in flutter. I am storing the state using a hive box (a key value database) and rebuilding the screen at every second with setState. The widget is not accessing an API. Just the hive database that is very fast and light weigh. WebJul 12, 2024 · As you are working with flutter you can use StatefulWidget which has a setState method. whenever you want to update the data put that data after processing. It will automatically update at its position. setState ( () {}); If you have the API call or function in another widget you can use callback to update the widget.
How to update a Text widget automatically - Flutter
WebSep 10, 2024 · 1 Answer Sorted by: 10 The simplest way to do this I have found is to use the Timer function. If you put the timer into initState it will start when the the app is started. In the code below, the timer will call the addValue () method every 5 seconds which increases the value by one each time. WebOct 22, 2024 · This code can be called from anywhere you have access to a BuildContext (which is most places in the UI). It just creates new "screen", doesn't rebuild existing one. Just use a Key on one of your high-level widgets, everything below this will lose state: Key _refreshKey = UniqueKey (); void _handleLocalChanged () => setState ( () { _refreshKey ... cycloplegics and mydriatics
How to force Flutter to rebuild / redraw all widgets?
WebNov 3, 2024 · 3 Answers Sorted by: 1 Future executes once and returns just one result. initState () executed when creating a widget, this is also usually once. For your tasks it is better to use Streams, my solution is not the best in … WebNov 12, 2024 · Using a UniqueKey makes Flutter regarding the child widget as different so it re-initialized new child widget every time it rebuilds. Hence the flickering and jumping back to page at index 0. Instead of using a UniqueKey, use a value key. In my case each of my child parent has a unique object ID, so I use Key (objectID) as the key. WebFlutter Widgets in combination with Streams offer a reactive way of handling the UI, data stream through the application and updating the UI when the data changes. Streams In Dart, a stream is a ... cyclopithecus