I am using flutter_swiper package in my app. I have following code:
Container(
height: size.getSizePx(200),
child: Swiper(
itemBuilder: (BuildContext context, int index) {
return Align(
alignment: Alignment.topLeft,
child: Container(
height: size.getSizePx(200),
child: Image.network(imageList[index].thumb),
),
);
},
itemCount: imageList.length,
),
)
Image size that comes server is normally 370x276
Problem
Swiper works very well, but space between two images is very big. Is there any how I can control the spaces between Swiper slides (images)?
Thanks
Related
I am trying to use a flip_card flutter package to flip items in a list view builder. I want each item flip automatically and with different random time. How can I achieve that.
ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: length,
itemBuilder: (context, index) {
return FlipCard(
fill: Fill.fillBack, // Fill the back side of the card to make in the same size as the front.
direction: FlipDirection.HORIZONTAL, // default
front: Container(
child: Text('Front'),
),
back: Container(
child: Text('Back'),
),
);
I'm currently using a custom widget similar to this chips_input library. However, I don't want to give the options view (the popup list) a static maximum height. What I want to achieve is to dynamically set a maximum height of screen height - popup y offset. In this way, bottom of the options view will be at the bottom of the screen and all of the content inside the options view will be visible through scrolling. Is there any that I can access the textfield's or options view's offset to calculate the height?
My autocomplete widget looks similar to this:
RawAutocomplete<T>(
...
optionsViewBuilder: Align(
alignment: Alignment.topLeft,
child: SizedBox(
width: textFieldWidth,
child: Material(
elevation: 16,
child: ListView.builder(
shrinkWrap: true,
itemCount: options.length,
itemBuilder: (BuildContext context, int index) {
final T option = options.elementAt(index);
return suggestionBuilder(context, option);
},
),
),
),
),
);
You can do this by putting a height on your SizedBox that uses MediaQuery to get the screen height:
popupOffset = 20;
RawAutocomplete<T>(
...
optionsViewBuilder: Align(
alignment: Alignment.topLeft,
child: SizedBox(
width: textFieldWidth,
height: MediaQuery.of(context).size.height - popupOffset,
child: Material(
elevation: 16,
child: ListView.builder(
shrinkWrap: true,
itemCount: options.length,
itemBuilder: (BuildContext context, int index) {
final T option = options.elementAt(index);
return suggestionBuilder(context, option);
},
),
),
),
),
);
I am trying to style ExpansionPanel which is inside ExpansionPanelList in Flutter but the background image is not applying to the whole header area of the panel.
I want to apply background image on the headerbuilder of expansionPanel.
Currenlty I'm trying to do it with the help of stack and giving background image to it. Doing this, Image is covering most of the header builder area but not covering area below arrow of expansionPanel.
I want the background image to also cover area underneath arrow of the expansion panel. How can I do that?
ExpansionPanelList(
expansionCallback: (index, isExpanded) { // Some code },
children: _items.map((MyItem _item) {
return ExpansionPanel(
canTapOnHeader: true,
backgroundColor: Colors.yellow,
// Want to add the picture in the background of
// header builder
headerBuilder: (context, isExpanded) {
return Stack(
children: [
// >>>>>>>>>>>>>> Image
Container(
child: Image.network(
_item.prodCtgData
.pic,
width: double.infinity,
fit: BoxFit.fitWidth,
),
),
// >>>>>>>>>>>>>> Text
Container(
alignment: Alignment.centerLeft,
child: Text("Data"),
),
],
);
},
isExpanded: _item.isExpanded,
body: GridView.count(
shrinkWrap: true,
physics:
NeverScrollableScrollPhysics(),
crossAxisCount: 4,
children:[
//Some data
]
),
);
}).toList(),
),
i have a simple listview in flutter
final List<String> entries = <String>['A', 'B', 'C'];
final List<int> colorCodes = <int>[600, 500, 100];
ListView.builder(
padding: const EdgeInsets.all(8),
itemCount: entries.length,
itemBuilder: (BuildContext context, int index) {
return Container(
height: 50,
color: Colors.amber[colorCodes[index]],
child: Center(child: Text('Entry ${entries[index]}')),
);
}
);
when i click/tap on it, there is a circle ripple effect that then expand to the rest of the element i clicked in the list. i would like to change this behavior and remove the circle ripple effect. instead when someone click on an element of the list, i want that element to highlight and fade away for the whole element. one examples is whatsapp app. when you click on a conversation, you will see that the element you click in the list will flash with ripple effect of the full element. you will see a rectangle ripple effect not a circle ripple effect where you click and then expands to the rest of the element
how can i change the default behavior on listview in flutter? if im not clear, let me know
thanks in advance
In the 8 number line in your code snippet
return the InkWell() class instead of Container()
like this
child: ListView.builder(
itemCount: list.length,
itemBuilder: (context, i) {
return InkWell(
onTap: (){},
child: Container(
height: 50,
color: Colors.amber[colorCodes[index]],
child: Center(child: Text('Entry ${entries[index]}')),
);
);
},
),
For more information visit flutter.dev Documentation
I'm building out an app in flutter and I want to display a few cards in a list-view. The problems I'm facing are the following:
I get a text-overflow when I have Text widgets in a column.I semi-fixed this by wrapping the Text widget in an Expanded widget, but it looks a bit cutoff (ex. "Question: How do you do problem 2?" (refer to picture below)).
I want to build a larger card with a greater height and more room/white space. I've tried wrapping my column widget in a container and set the height manually, but that doesn't seem to do anything.
Here is what the card looks like right now:
Relevant code shown below:
itemBuilder: (context, index) => snapshot
.data.metadata.isFromCache
? _buildListItem(context,
snapshot.data.documents[index])
Widget _buildListItem(BuildContext context, DocumentSnapshot document) {
return document.data['didProblems']
? Card(
child: Center(
child: Container(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text('${document.data['fullName'].toString()}'),
SizedBox(
height: 5.0,
),
Text('HW Assignment: ${document.data['title'].toString()}'),
SizedBox(
height: 5.0,
),
Text('Problems attempted: ${document.data['problems']}'),
Expanded(child: Text('Question: ${document.data['question'].toString()}'), flex: 1,),
],
),
),
),
)
Any help is appreciated. Thanks in advance!
if u r using listview then set itemExtent property to ur convenience e.g.
ListView.builder(
itemCount: 10,
itemBuilder: (_, int index) => YourWidget(),
itemExtent: 150,
),
Even after wrapping your text in an Expanded you have to set overflow to TextOverflow.clip
Try this
Expanded(child: Text('Question: ${document.data['question'].toString()}', overflow: TextOverflow.clip), flex:1,),