HorizontalListView | Horizontal Listview Xamarin.Forms | Form library
kandi X-RAY | HorizontalListView Summary
kandi X-RAY | HorizontalListView Summary
Simple Cross-Platform Horizontal Listview using Xamarin.Forms.
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HorizontalListView Examples and Code Snippets
Community Discussions
Trending Discussions on HorizontalListView
QUESTION
I am working on an App like Live TV which is basically a video based recommendation platform
What I noticed is that when I scroll in the "Home Page" of my app the stateful widget is been called again and again (because I am using Future builder)and because of this it is causing a huge consumption of data which a severe issue and I want it not to happen.
I used the concept of Memoization as per this article https://medium.com/saugo360/flutter-my-futurebuilder-keeps-firing-6e774830bc2 .The code throws no error. But after using it my home page is not loading.I can't understand as to why this is happenning?
Here is my future builder code:
...ANSWER
Answered 2020-Sep-18 at 18:00This is because you are using FutureBuilder incorrectly and the medium article that you linked is providing an overly complex solution to a problem that stems from incorrect use. Don't trust everything you read, especially when they're not official docs.
The docs of FutureBuilder state:
The future must have been obtained earlier, e.g. during State.initState, State.didUpdateConfig, or State.didChangeDependencies. It must not be created during the State.build or StatelessWidget.build method call when constructing the FutureBuilder. If the future is created at the same time as the FutureBuilder, then every time the FutureBuilder's parent is rebuilt, the asynchronous task will be restarted.
You must obtain the Future earlier than build, like in initState. What you're doing now is obtaining the Future during build.
Obtain the Future during initState, store it in a variable, and pass that to the FutureBuilder.
QUESTION
I am working on a LiveTv app.Everytime I try to load the app using API's it says "RangeError (index): Invalid value: Valid value range is empty: 0 ". So I understood because at the time when I load the app the data is not loaded and therefore the error.
So I used something called as future builder.But inspite of that I am still getting the same error but after sometime it loads.I tried putting counters because it takes time for the for loop as well to be built but still the same error keeps happening.I just don't know where I am going wrong
Below is the code and below each snipped I have put I have included a brief description.Please have a look:
...ANSWER
Answered 2020-Sep-13 at 07:15In your FutureBuilder you have the condition wrong, (snapshot.hasData != null) is always true, it should be like this:
QUESTION
I've been building layout with both horizontal and vertical scrolling. Vertical scrollable Column is for main content and is populated by different views, including horizontal ListView which shows promo banners. I wanted to show scrollbar for vertical scrolling, but not for horizontal. I've wrapped the SingleChildScrollView which makes Column scrollable in ScrollBar, but the bar appeared on both vertical on horizontal scrolls. Is there any fine-tuning for these kinds of things?
Sample to demonstrate the issure
...ANSWER
Answered 2020-Mar-19 at 08:42class NoScrollbar extends StatelessWidget {
final Widget child;
const NoScrollbar({Key key, this.child}) : super(key: key);
@override
Widget build(BuildContext context) {
return NotificationListener(
onNotification: (_) => true,
child: child,
);
}
}
QUESTION
this is my pubspec.yaml file
...ANSWER
Answered 2020-Mar-07 at 07:50your asset implementation on .yaml file is fail. should be like below
QUESTION
ANSWER
Answered 2019-Nov-11 at 12:46the problem was not caused by any native dependency as my project did not have one.I resolved the issue by disabling older builds on GooglePlay which only supported 32bits architecture.
QUESTION
I hope any Android developer can help me how to get the image filename when the image is clicked on the HorizontalView List. I try to add the setOnClickListener tp the imageview field, but it doesnt work and it crashed not able to slide from the Horizontal view list.
What i tried was I add the following codes to the onSingleTapConfirmed in the HorizontalListView, but it only returns integer value.
I want to return the imageURL i put in the image_image1_array on
the HorizontalviewAdapter
ANSWER
Answered 2018-Aug-23 at 05:26In your code I found this method:
QUESTION
I am in the process of making a custom horizontally scrollable ListView type control, I have come across an issue which I can't explain, and I'm not 100% sure that the issue is even with my code, unless I have misunderstood something.
I have distilled the issue into the simplest form I can, available at https://github.com/sparkeh9/XamarinFormsListViewIssue.
So, I have a HorizontalListView control utilising a very simple data template selector (no logic, returns a single data template)
See Template Selector screenshot
My issue is, when I use a template selector, when calling If I specify a literal item template in the XAML, everything works as expected, such as:ItemTemplateSelector.CreateContent() in order to start generating UI controls based on the template, it throws an exception See exception screenshot which claims that the LoadTemplate property should not be null. I have looked at the base classes and found that this property is a Func which is private, and can only be set from outside by calling a specific constructor.
ANSWER
Answered 2018-Apr-15 at 22:37I figured out what I had done wrong - if the type is DataTemplateSelector, then you must first generate a template by calling ItemTemplateSelector.SelectTemplate( item, null ), after which point you can call CreateContent()
I've committed this to demonstrate what I mean: https://github.com/sparkeh9/XamarinFormsListViewIssue/commit/f2f0d807d2d463d1fe9e6a89f0d3c0c7676a0761
QUESTION
In my application, I have a list view that shows some level.
I fill the listview with a file in assets. my file in assets is like this:
...ANSWER
Answered 2017-Aug-30 at 11:00Remove the line startActivity(new Intent(MainActivity.this, Home.class)); and just leave the call to finish()
QUESTION
I am using Youtube Data API to Access the Video.I am successful on Displaying the thumbnail image on the ListView.When i start Application,and Click the one of List Item, it Loads on the container where the Video should b played.I got issue ,when i Click the next thumbnail image ,then next Video is not Displayed .I Checked on Log through the index ,the position are Changed but Video is not Loaded.I don't know where i am Doing Wrong?
this is same as mine problem but not able to solve looking this How to refresh Youtube Player View onItemClickListener() in a ListView
FragmentVideoDestination
...ANSWER
Answered 2017-Aug-09 at 07:02you are initializing the player everytime your list item is clicked. It should be done only once and you don't have to use youTubePlayer.play(); following line will work youTubePlayer.cueVideo(video_Id);
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