Questions tagged [angular-cdk-virtual-scroll]

116 questions
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cdk-virtual-scroll-viewport dynamic height

I am working on a Ionic 7 application with Angular 16. In this version of Ionic, ion-virtual-scroll was deprecated and they recommend to use the @angular/cdk ScrollingModule. Ionic Virtual Scroll Migration The problem is the following: I have the…
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angular material virtual scroll not showing selected value from second page

I am using angular material library virtual scroll widget 'cdk-virtual-scroll-viewport' and am able to load data in paginated basis on the scroll of it. But here am facing a problem, how I can show the selected value user saves last time? .Is there…
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Scrolling flickers with cdk-virtual-scroll-viewport

Scrolling works well when I iterate over an array of numbers like this: this.items = Array.from({length: 100000}).map((_, i) => `Item #${i}`); Working html Code is:
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cdk-virtual-scroll-viewport not working on iOS 15.3 and below Angular 14

Description After upgrading my Angular application from version 13 to 14, I have noticed that the cdk-virtual-scroll-viewport component no longer works on iOS devices running version 15.3 or earlier. The virtual scrolling feature is not functioning…
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How to mock 'CdkVirtualScrollViewport' for infinite scrolling in Angular?

@ViewChild('scroller') scroller!: CdkVirtualScrollViewport; constructor(private ngZone: NgZone) { } ngAfterViewInit(): void { this.unsub = this.scroller.elementScrolled().pipe( map(() =>…
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mat-expansion-panel 'closed' event is called with random index instead of 'destroyed'

I am using mat-expansion-panel inside cdk-virtual-scroll. I want to hit a function when the panel is destroyed after scrolling, but the (closed) event is called instead of the (destroyed) event, having a random index as a parameter.
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Cdk virtual scroll taking time rendering items after scrolling

I am using an expansion panel inside cdk-virtual-scroll. In the header of the expansion panel, I have to show 4 values, which is causing a delay of nearly one second in rendering items while scrolling.
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Angular: Issue with cdk-virtual-scroll-viewport lazyload data on scroll with variable item size

Working on infinite scroll with cdk-virtual-scroll-viewport and variable item height and At the end of list it will fetch next batch of data from api.
Striker
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Use multiple cdk-virtual-scroll-viewport in the same page

cdk-virtual-scroll-viewport is not working properly when I use more than two cdk-virtual-scroll-viewport in the same page. Stackblitz example In the above example, first dropdown is working properly. but in the second dropdown, getting blank space…
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How to reset the virtual scroll height in angular 14+

In angular, I've implemented virtual infinite scroll. The issue I'm having is that when I try to reset the data after scrolling, it resets, but the scroll bar still displays how far I scrolled. View in Stack blitz How to replicate: When you click…
Arun M
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matSideNav showing its own scroll with virtual scroll

I am using a list of expansion panels inside virtual-scroll using scrollWindow, it works fine until I put this virtual scroll in matSideNav. Sidenav…
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Implement Angular CDK Virtual Scroll Errors

I have weird issue with Angular CDK Virtual Scroll. I have implemented a virtual scroll and during scrolling this below error occurs in random time: I have tried to use this properties but do not work for me itemSize="50" minBufferPx="100"…
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Virtual scroll in Multiple NG2-Chart in Mat-cards , Display Loader until the data is attached

So I have around 100 Mat-Cards on screen , each one containing one NG2 doughnut chart. This initially gave me performance issue as it took more than a minute to load. So I used cdk-virtual-scroll to load charts on the run. The performance is tough…
sharad jain
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How to display content from cdkVirtualFor and cdk-virtual-scroll-viewport

I'm trying to make a virtual scroll in Angular 14, but I haven't been capable of. This is my code