Questions tagged [scrollcontroller]
55 questions
0
votes
1 answer
Getting scroll index from scrolling position in pixels listview flutter
Is there a way we can use ScrollController.position.pixels to know the scrolling index of a listview in flutter? I'm trying to restore the last scrolling index between app restarts.
Noor
- 193
- 1
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0
votes
0 answers
Change scrollView offset without callback listener
I want to change scrollView's offset with code so I use ScrollController:
ScrollController _controller;
_controller.addListener(() {
print('call listener');
});
My way to change offset:
_controller.jumpTo(200);
it will callback listener…
无夜之星辰
- 5,426
- 4
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- 48
0
votes
2 answers
Gridview.builder start at the end of list
I have a Gridview.builder in a Widget. When I open the widget I would like to jump immediately to the end of the Grid List.
class _StampsInTravelbookState extends State {
ScrollController _scrollController = new…
JoergP
- 1,349
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0
votes
1 answer
Flutter handle scroll actions (PrimaryScrollController reverse listview)
On iOS, tapping the status bar makes PrimaryScrollController go to the top:
https://flutter.dev/docs/resources/platform-adaptations#return-to-top
On iOS, tapping the OS status bar scrolls the primary scroll controller to the top position. There is…
Braden Bagby
- 273
- 1
- 8
0
votes
1 answer
Flutter StaggeredGridView.countBuilder scrollcontroll. I am having this error( type 'String' is not a subtype of type 'int' of 'index')
I am having problem when I used the scrollcontroller to controll the gridview. I am having the error ( type 'String' is not a subtype of type 'int' of 'index'). But it was perfectly working before using the scrollcontroller. I don't where i need to…
HasanZohan
- 3
- 4
0
votes
3 answers
ScrollController jumpto when ListView.builder complete
I am creating a chat with firebase in flutter and I want that when the listview builder completes it can go to the end of the list (Last message).
This is what my buildmethod looks like:
return Scaffold(
backgroundColor: Color(0xFFf1e4e8),
…
Ruben Dario Guarnizo Martinez
- 360
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- 15
0
votes
1 answer
ScrollController jumpTo specified value doesn't work Flutter
In my app I decided to show a ScrollBar so as the same ScrollController is needed both in the ScrollBar and the ListView I had to change my ScrollablePositionedList.builder to a ListView.builder.
First in my List homePageItems is a PageView…
Vincenzo
- 5,304
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- 96
0
votes
1 answer
An efficient way in Flutter to change appbar color when scrolled
I have been working on the Scroll of the page, and at the same time, doing these things:
Changing color of the AppBar background when scrolling
Changing the AppBar background to transparent when scrolled to the top
My code works fine, but the…
Alok
- 8,452
- 13
- 55
- 93
-1
votes
2 answers
Why is Flutter's ScrollController's listener callback sometimes executed before setState?
I am developing using Flutter.
I encountered some unexpected behavior with widget rebuilds and ScrollControllers.
Below is the program that reproduces the issue.
In my understanding, I thought that widget rebuilds due to state changes are performed…
mmm
- 3
- 2
-1
votes
3 answers
Flutter - show how many items scrolled in gridview
i am trying to implement like the below image.
I have a grid view which has 2 columns in which i am displaying my list.
As you can see in the above image it is showing 175/67 products.
my logic is i am giving my grid view a scroll controller.
I am…
Manish Shah
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