How to get iScroll to work in an Ionic/Angular application












0















Following on from a previous post, I have got iScroll to at least load into my Ionic application. I am doing this as I want flick scrolling on the app when running in a Windows Desktop environment, where you just get the Windows standard scroll as opposed o the native flick (momentum) scrolling as on a Mobile device



Just for testing, I have just done this the old fashion way of linking the script, and then finding the IScroll hanging off the window object (as I could not get it working importing the npm package.



So I copied the iscroll.js file to the assets, and adding the link into index.html..



<script type="text/javascript" src="assets/iscroll.js"></script>


Not ideal, but at least it allows me to test it to see if it is going to work for me.



I then have the following test code..



    import { Component, ViewChild, ElementRef } from '@angular/core';

@Component({
selector: 'app-home',
templateUrl: 'home.page.html',
styleUrls: ['home.page.scss'],
})
export class HomePage {
public items: Array<string>;
@ViewChild('wrapper') wrapper : ElementRef;

constructor() {
this.items = new Array<string>();
for(let i = 1; i < 100; i++)
this.items.push(`Item ${i}`) ;
}

public ngAfterViewInit() {
try {
let w = window as any;
var myScroll = new w.IScroll(this.wrapper.nativeElement, {
mouseWheel: true,
scrollbars: true
});
} catch (error) {
console.log(error);
}
}
}


with the markup of



   <ion-header>
<ion-toolbar>
<ion-title>
Ionic Blank
</ion-title>
</ion-toolbar>
</ion-header>

<!-- <ion-content scroll-y=false> -->
<div #wrapper>
<ul>
<li *ngFor= 'let item of items'>
{{item}}
</li>
</ul>
</div>
<!-- </ion-content> -->


I have debugged into the IScroll construction function, and can see that it successfully gets the div and applies various styles to it.



However, I just do not get any scrolling. I have disabled the Ionic scrolling on the content, and even remove the content control, but it still does not work.



I have the following Ionic environment..



    Ionic:

ionic (Ionic CLI) : 4.6.0 (C:UserspeterAppDataRoamingnpmnode_modulesionic)
Ionic Framework : @ionic/angular 4.0.0-rc.0
@angular-devkit/build-angular : 0.11.4
@angular-devkit/schematics : 7.1.4
@angular/cli : 7.1.4
@ionic/angular-toolkit : 1.2.2

System:

NodeJS : v10.15.0 (C:Program Filesnodejsnode.exe)
npm : 6.1.0
OS : Windows 10


Has anyone else tried this, or have any idea why it is not working from within the Ionic application?



Thanks in advance for any info.










share|improve this question



























    0















    Following on from a previous post, I have got iScroll to at least load into my Ionic application. I am doing this as I want flick scrolling on the app when running in a Windows Desktop environment, where you just get the Windows standard scroll as opposed o the native flick (momentum) scrolling as on a Mobile device



    Just for testing, I have just done this the old fashion way of linking the script, and then finding the IScroll hanging off the window object (as I could not get it working importing the npm package.



    So I copied the iscroll.js file to the assets, and adding the link into index.html..



    <script type="text/javascript" src="assets/iscroll.js"></script>


    Not ideal, but at least it allows me to test it to see if it is going to work for me.



    I then have the following test code..



        import { Component, ViewChild, ElementRef } from '@angular/core';

    @Component({
    selector: 'app-home',
    templateUrl: 'home.page.html',
    styleUrls: ['home.page.scss'],
    })
    export class HomePage {
    public items: Array<string>;
    @ViewChild('wrapper') wrapper : ElementRef;

    constructor() {
    this.items = new Array<string>();
    for(let i = 1; i < 100; i++)
    this.items.push(`Item ${i}`) ;
    }

    public ngAfterViewInit() {
    try {
    let w = window as any;
    var myScroll = new w.IScroll(this.wrapper.nativeElement, {
    mouseWheel: true,
    scrollbars: true
    });
    } catch (error) {
    console.log(error);
    }
    }
    }


    with the markup of



       <ion-header>
    <ion-toolbar>
    <ion-title>
    Ionic Blank
    </ion-title>
    </ion-toolbar>
    </ion-header>

    <!-- <ion-content scroll-y=false> -->
    <div #wrapper>
    <ul>
    <li *ngFor= 'let item of items'>
    {{item}}
    </li>
    </ul>
    </div>
    <!-- </ion-content> -->


    I have debugged into the IScroll construction function, and can see that it successfully gets the div and applies various styles to it.



    However, I just do not get any scrolling. I have disabled the Ionic scrolling on the content, and even remove the content control, but it still does not work.



    I have the following Ionic environment..



        Ionic:

    ionic (Ionic CLI) : 4.6.0 (C:UserspeterAppDataRoamingnpmnode_modulesionic)
    Ionic Framework : @ionic/angular 4.0.0-rc.0
    @angular-devkit/build-angular : 0.11.4
    @angular-devkit/schematics : 7.1.4
    @angular/cli : 7.1.4
    @ionic/angular-toolkit : 1.2.2

    System:

    NodeJS : v10.15.0 (C:Program Filesnodejsnode.exe)
    npm : 6.1.0
    OS : Windows 10


    Has anyone else tried this, or have any idea why it is not working from within the Ionic application?



    Thanks in advance for any info.










    share|improve this question

























      0












      0








      0








      Following on from a previous post, I have got iScroll to at least load into my Ionic application. I am doing this as I want flick scrolling on the app when running in a Windows Desktop environment, where you just get the Windows standard scroll as opposed o the native flick (momentum) scrolling as on a Mobile device



      Just for testing, I have just done this the old fashion way of linking the script, and then finding the IScroll hanging off the window object (as I could not get it working importing the npm package.



      So I copied the iscroll.js file to the assets, and adding the link into index.html..



      <script type="text/javascript" src="assets/iscroll.js"></script>


      Not ideal, but at least it allows me to test it to see if it is going to work for me.



      I then have the following test code..



          import { Component, ViewChild, ElementRef } from '@angular/core';

      @Component({
      selector: 'app-home',
      templateUrl: 'home.page.html',
      styleUrls: ['home.page.scss'],
      })
      export class HomePage {
      public items: Array<string>;
      @ViewChild('wrapper') wrapper : ElementRef;

      constructor() {
      this.items = new Array<string>();
      for(let i = 1; i < 100; i++)
      this.items.push(`Item ${i}`) ;
      }

      public ngAfterViewInit() {
      try {
      let w = window as any;
      var myScroll = new w.IScroll(this.wrapper.nativeElement, {
      mouseWheel: true,
      scrollbars: true
      });
      } catch (error) {
      console.log(error);
      }
      }
      }


      with the markup of



         <ion-header>
      <ion-toolbar>
      <ion-title>
      Ionic Blank
      </ion-title>
      </ion-toolbar>
      </ion-header>

      <!-- <ion-content scroll-y=false> -->
      <div #wrapper>
      <ul>
      <li *ngFor= 'let item of items'>
      {{item}}
      </li>
      </ul>
      </div>
      <!-- </ion-content> -->


      I have debugged into the IScroll construction function, and can see that it successfully gets the div and applies various styles to it.



      However, I just do not get any scrolling. I have disabled the Ionic scrolling on the content, and even remove the content control, but it still does not work.



      I have the following Ionic environment..



          Ionic:

      ionic (Ionic CLI) : 4.6.0 (C:UserspeterAppDataRoamingnpmnode_modulesionic)
      Ionic Framework : @ionic/angular 4.0.0-rc.0
      @angular-devkit/build-angular : 0.11.4
      @angular-devkit/schematics : 7.1.4
      @angular/cli : 7.1.4
      @ionic/angular-toolkit : 1.2.2

      System:

      NodeJS : v10.15.0 (C:Program Filesnodejsnode.exe)
      npm : 6.1.0
      OS : Windows 10


      Has anyone else tried this, or have any idea why it is not working from within the Ionic application?



      Thanks in advance for any info.










      share|improve this question














      Following on from a previous post, I have got iScroll to at least load into my Ionic application. I am doing this as I want flick scrolling on the app when running in a Windows Desktop environment, where you just get the Windows standard scroll as opposed o the native flick (momentum) scrolling as on a Mobile device



      Just for testing, I have just done this the old fashion way of linking the script, and then finding the IScroll hanging off the window object (as I could not get it working importing the npm package.



      So I copied the iscroll.js file to the assets, and adding the link into index.html..



      <script type="text/javascript" src="assets/iscroll.js"></script>


      Not ideal, but at least it allows me to test it to see if it is going to work for me.



      I then have the following test code..



          import { Component, ViewChild, ElementRef } from '@angular/core';

      @Component({
      selector: 'app-home',
      templateUrl: 'home.page.html',
      styleUrls: ['home.page.scss'],
      })
      export class HomePage {
      public items: Array<string>;
      @ViewChild('wrapper') wrapper : ElementRef;

      constructor() {
      this.items = new Array<string>();
      for(let i = 1; i < 100; i++)
      this.items.push(`Item ${i}`) ;
      }

      public ngAfterViewInit() {
      try {
      let w = window as any;
      var myScroll = new w.IScroll(this.wrapper.nativeElement, {
      mouseWheel: true,
      scrollbars: true
      });
      } catch (error) {
      console.log(error);
      }
      }
      }


      with the markup of



         <ion-header>
      <ion-toolbar>
      <ion-title>
      Ionic Blank
      </ion-title>
      </ion-toolbar>
      </ion-header>

      <!-- <ion-content scroll-y=false> -->
      <div #wrapper>
      <ul>
      <li *ngFor= 'let item of items'>
      {{item}}
      </li>
      </ul>
      </div>
      <!-- </ion-content> -->


      I have debugged into the IScroll construction function, and can see that it successfully gets the div and applies various styles to it.



      However, I just do not get any scrolling. I have disabled the Ionic scrolling on the content, and even remove the content control, but it still does not work.



      I have the following Ionic environment..



          Ionic:

      ionic (Ionic CLI) : 4.6.0 (C:UserspeterAppDataRoamingnpmnode_modulesionic)
      Ionic Framework : @ionic/angular 4.0.0-rc.0
      @angular-devkit/build-angular : 0.11.4
      @angular-devkit/schematics : 7.1.4
      @angular/cli : 7.1.4
      @ionic/angular-toolkit : 1.2.2

      System:

      NodeJS : v10.15.0 (C:Program Filesnodejsnode.exe)
      npm : 6.1.0
      OS : Windows 10


      Has anyone else tried this, or have any idea why it is not working from within the Ionic application?



      Thanks in advance for any info.







      angular ionic-framework iscroll






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      asked Jan 2 at 12:27









      petercpeterc

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