Error: StaticInjectorError[BreakpointObserver] No provider for BreakpointObserver

Bug, feature request, or proposal:

Bug (Regression)

What is the expected behavior?

Ability to use SnackBar

What is the current behavior?

After update to 5.0.0-rc0, initialising MatSnackBar in component constructor causes error:

Error: StaticInjectorError[BreakpointObserver] ... No provider for BreakpointObserver

at runtime

What are the steps to reproduce?

Add reference to

MatSnackBar

in component constructor.

What is the use-case or motivation for changing an existing behavior?

I don’t want to change an existing behavior. I just want it to work like it did before the update.

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Angular 5.0.1
Angular CLI 1.5.0
Material 5.0.0-rc0
Mac OS High Sierra 10.13.1
Typescript 2.4.2
Chrome Version 61.0.3163.100

Is there anything else we should know?

When I add

constructor(...,
...,
private snackbar: MatSnackBar){}

in my component I get this error. If I take out the reference to MatSnackBar, the error goes away.

[igor90007]

my fail. I tried: import {MatSnackBarModule} from "@angular/material/snack-bar"; but I have to: import {MatSnackBarModule} from "@angular/material"; Now, everything works fine. Thank you

[cyber-simon]

@chriscurnow I had the same problem just now. It was caused by a missing MatSnackbarModule import. I don’t know why, but with Angular 4.x and Angular Material 2.0.0-beta it worked (it probably shouldn’t have). After the upgrade to Angular 5.0.1 and Material 5.0.0-rc0 I had the same error message.

Adding the following import solved it: https://github.com/julianobrasil/material2-test/blob/master/src/app/app.module.ts#L35

NgModule({
...
  ],
  imports: [
...
    MatSnackBarModule,
...