MatDatepicker: No provider found for DateAdapter. code example

Example 1: MatDatepicker: No provider found for DateAdapter. You must import one of the following modules at your application root: MatNativeDateModule, MatMomentDateModule, or provide a custom implementation

import {MatNativeDateModule} from '@angular/material';

Example 2: Mat Datepicker: No provider found for DateAdapter

@NgModule({
imports: [
    MatDatepickerModule,
    MatNativeDateModule 
]
})