Angular Error : StaticInjectorError (Platform: core)[e -> t]:

Question

As I am build the APK with --prod I am getting the error below

    ERROR Error: StaticInjectorError[e -> t]: 
  StaticInjectorError(Platform:         


        

Answer 1

You are trying to use a service that is not listed in providers of your AppModule or inside you component.ts. Add the service to a providers list to make it work.

In app.modules if you want that service to be global (related to app context).

@NgModule({
    declarations: [...],
    imports: [...],
    bootstrap: [...],
    entryComponents: [...],
    providers: [
        MyService
    ]
})

Or in your component.ts if you want that service to be contextual to desired component.

@Component({
    selector: '...',
    templateUrl: '...',
    providers: [MyService]
})

Do not add it in both files. Also don't forget to import that service when you inject it either in app.modules or component.

import { MyService } from '../services/myservice';

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