Components: Could not find Angular Material core theme. Most Material components may not work as expected. For more info refer to the theming guide: https://material.angular.io/guide/theming

[jitsk]

Bug, feature request, or proposal:

Bug

What is the expected behavior?

No warning.

What is the current behavior?

Warning is shown.
Could not find Angular Material core theme. Most Material components may not work as expected. For more info refer to the theming guide: https://material.angular.io/guide/theming.
Anyway no styles are broken.

What are the steps to reproduce?

Use @import '~@angular/material/prebuilt-themes/indigo-pink'; in app.component.scss.

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

Angular 4.0.1
Material 2.0.0-beta.5

Is there anything else we should know?

Was working in Material 2.0.0-beta.2. Tried creating a custom theme, but still getting error message.

[willshowell]

Try importing the prebuilt theme into your global stylesheet

[jelbourn]

The warning is accurate- the stylesheet is meant to be added globally, rather than in the styleUrls of a component.

[jitsk]

I can't import it in index.html, so is there another way to do that possibly using webpack ?

[subramn]

Still i get this error with 5.0.0-rc.1. all components are getting displayed but the warning in the console keeps coming.

Could not find Angular Material core theme. Most Material components may not work as expected. For more info refer to the theming guide: https://material.angular.io/guide/theming

I followed all the "Get started" instructions. is there anything i am missing. I am using webpack instead of systemjs.

any thoughts

[subramn]

after searching i found this answer in stackoverflow and it worked for me

exports: [
MatButtonModule,
MatMenuModule,
MatToolbarModule,
MatIconModule,
MatCardModule
],
providers: [
{
provide: MATERIAL_SANITY_CHECKS,
useValue: false
}**
]

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