Adding the loading component (spinner) to an Angular application
Introduction
Angular is a development platform for building WEB, mobile and desktop applications using HTML, CSS and TypeScript (JavaScript). Currently, Angular is at version 15 and Google is the main maintainer of the project.
ngx-spinner is a loading (spinner) component library with more than 50 different types.
Prerequisites
Before you start, you need to install and configure the tools:
Getting started
Create the Angular application
1. Let’s create the application with the Angular base structure using the @angular/cli with the route file and the SCSS style format.
2. Install and configure the Bootstrap CSS framework. Do steps 2 and 3 of the post Adding the Bootstrap CSS framework to an Angular application.
3. Install the ngx-spinner library.
4. Import the BrowserAnimationsModule, FormsModule and NgxSpinnerModule modules. Configure the log settings. Change the app.module.ts file and add the lines as below.
5. Remove the content of the AppComponent class from the src/app/app.component.ts file. Import the NgxSpinnerService service and create the showSpinner method as below.
6. Remove the contents of the src/app/app.component.html file. Add the ngx-spinner component and the spinners options as below.
7. Run the application with the command below.
8. Ready! Access the URL http://localhost:4200/ and check if the application is working. See the application working on GitHub Pages and Stackblitz.
The application repository is available at https://github.com/rodrigokamada/angular-spinner.
This tutorial was posted on my blog in portuguese.
