The Angular team builds and maintains both common UI components and tools to help you build your own custom components. The team maintains several npm packages. ... <看更多>

Solved after importing MatInputModule. in app.module.ts : import { MatInputModule } from '@angular/material/input';. ... <看更多>

Material design components for AngularDart ... latency and testing policies make these widgets an excellent fit for projects using the Angular package. ... <看更多>