How To Make A Download Progress Bar Using Material Design And Angular

In Angular, you can make a download progress bar with a percentage by

1.In your Angular project, first install the @angular/material and @angular/cdk packages:

npm install @angular/material @angular/cdk

2.Import the MatProgressBarModule and MatProgressSpinnerModule modules from the

@angular/material package in your Angular module:

import { MatProgressBarModule, MatProgressSpinnerModule } from '@angular/material';

  imports: [
  // ...
export class AppModule { }


3.Next, import the @angular/common/http package’s HttpClient module and HttpEventType enum:

import { HttpClient, HttpEventType } from '@angular/common/http';


4.Utilizing the constructor, add the HttpClient service to your component or service:

constructor(private http: HttpClient) {}


5.Make a function that requests a download and tracks its progress:

public percentDone: number = 0;

public downloadFile() {
  this.http.get('', { responseType: 'blob' })
    .subscribe(event => {
      if (event.type === HttpEventType.DownloadProgress) {
        // Update the progress bar with the download percentage
        const this.percentDone = Math.round(100 * event.loaded /;
        console.log(`Downloaded ${this.percentDone}%`);
      } else if (event.type === HttpEventType.Response) {
        // Save the downloaded file
        const file = new Blob([event.body], { type: 'application/zip' });
        const fileURL = URL.createObjectURL(file);;


6.Use the mat-progress-bar and mat-progress-spinner components in your component’s template to display the progress bar and percentage:

<mat-progress-bar mode="determinate" [value]="percentDone"></mat-progress-bar>
<mat-progress-spinner mode="determinate" [value]="percentDone"></mat-progress-spinner>


The mat-progress-bar and mat-progress-spinner components’ value attributes can be bound to using the percentDone property, and the percentage can also be shown as text.

This shows how to use Angular to make a material design download progress bar with a percentage. Using the many options and styles offered for the mat-progress-bar and mat-progress-spinner components, you may alter the progress bar’s design and behavior as well as the behavior of the percentage.



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