LocalDBProvider.js

@Injectable()
export class LocalDbProvider {

  public objDB;

    /**
     *
     * @param platform
     * @param sqlite
     */
    constructor(
      public platform: Platform,
      public sqlite: SQLite
    ) {
      platform.ready().then(() => {
        if(!this.isOpen) {
          this.objDB = this.sqlite.create({
            name: 'app.db',
            location: 'default'
          });
          this.isOpen = true;
        }
      });
    }
}