Angular Material - SnackBar

The <MatSnackBar>, an Angular Directive, is used to show a notification bar to show on mobile devices as an alternative of dialogs/popups.

In this chapter, we will showcase the configuration required to show a snack bar using Angular Material.

Create Angular Application

Follow the following steps to update the Angular application we created in Angular Material - First Application chapter −

app.ts

Following is the content of the modified app.ts.

import { Component, signal } from '@angular/core';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { MatButtonModule } from '@angular/material/button';
import { MatCheckboxModule } from '@angular/material/checkbox';
import { MatFormFieldModule } from '@angular/material/form-field';
import { MatInputModule } from '@angular/material/input';
import { MatSnackBar, MatSnackBarModule } from '@angular/material/snack-bar';

@Component({
   selector: 'app-root',
   imports: [
      FormsModule,
      MatFormFieldModule,
      MatSnackBarModule, 
      MatButtonModule, 
      ReactiveFormsModule,
   ],
   templateUrl: './app.html',
   styleUrl: './app.css'
})
export class App {
   protected readonly title = signal('material-app');

   constructor(public snackBar: MatSnackBar) {}
   openSnackBar(message: string, action: string) {
      this.snackBar.open(message, action, {
         duration: 2000,
      });
   } 
}

app.html

Following is the content of the modified HTML host file app.html.

<button mat-button (click)="openSnackBar('Party', 'act')">Show snack-bar</button>

Result

Verify the result.

Details

• Here, we've created a button using mat-button on whose click we shows the snack bar.