ionic loading list code example

Example 1: ionic infinite scroll

<ion-content>
  <ion-button (click)="toggleInfiniteScroll()" expand="block">
    Toggle Infinite Scroll
  </ion-button>

  <ion-list></ion-list>

  <ion-infinite-scroll threshold="100px" (ionInfinite)="loadData($event)">
    <ion-infinite-scroll-content
      loadingSpinner="bubbles"
      loadingText="Loading more data...">
    </ion-infinite-scroll-content>
  </ion-infinite-scroll>
</ion-content>

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

@Component({
  selector: 'infinite-scroll-example',
  templateUrl: 'infinite-scroll-example.html',
  styleUrls: ['./infinite-scroll-example.css']
})
export class InfiniteScrollExample {
  @ViewChild(IonInfiniteScroll) infiniteScroll: IonInfiniteScroll;

  constructor() {}

  loadData(event) {
    setTimeout(() => {
      console.log('Done');
      event.target.complete();

      // App logic to determine if all data is loaded
      // and disable the infinite scroll
      if (data.length == 1000) {
        event.target.disabled = true;
      }
    }, 500);
  }

  toggleInfiniteScroll() {
    this.infiniteScroll.disabled = !this.infiniteScroll.disabled;
  }
}

Example 2: ionic loading

import { Component } from '@angular/core';
import { LoadingController } from '@ionic/angular';

@Component({
  selector: 'loading-example',
  templateUrl: 'loading-example.html',
  styleUrls: ['./loading-example.css']
})
export class LoadingExample {
  constructor(public loadingController: LoadingController) {}

  async presentLoading() {
    const loading = await this.loadingController.create({
      message: 'Please wait...',
      duration: 2000
    });
    await loading.present();

    const { role, data } = await loading.onDidDismiss();
    console.log('Loading dismissed!');
  }

  async presentLoadingWithOptions() {
    const loading = await this.loadingController.create({
      spinner: null,
      duration: 5000,
      message: 'Click the backdrop to dismiss early...',
      translucent: true,
      cssClass: 'custom-class custom-loading',
      backdropDismiss: true
    });
    await loading.present();

    const { role, data } = await loading.onDidDismiss();
    console.log('Loading dismissed with role:', role);
  }
}