plugin permissions ionic

import { AndroidPermissions } from '@ionic-native/android-permissions/ngx';


constructor(private androidPermissions: AndroidPermissions) { }

...

this.androidPermissions.checkPermission(this.androidPermissions.PERMISSION.CAMERA).then(
  result => console.log('Has permission?',result.hasPermission),
  err => this.androidPermissions.requestPermission(this.androidPermissions.PERMISSION.CAMERA)
);

this.androidPermissions.requestPermissions([this.androidPermissions.PERMISSION.CAMERA, this.androidPermissions.PERMISSION.GET_ACCOUNTS]);