this.getAsyncData().then((newData:string[]) => {
      for (var i = 0; i < newData.length; i++) {
        this.items.push(newData[i]);
      }

      infiniteScroll.complete();

      if (newData.length < 10) {
        infiniteScroll.enable(false);
      }

    });

 getCompanies(ev: any) {
     this.infiniteScrollControl.enable(true);
     this.companies = [];
     let val = ev.target.value || '';
     this.page = 1;
     this.q = val.trim();
     //this.presentLoading();
     this.companyService.getCompanies(this.page, this.q).then(page => {
         this.companies = page.items;
         //this.dismissLoading();
     });
 }

 this.backend.latestPosts(this.pagingFlag).subscribe((res)=>{
     this.pushNew(res);
     infiniteScroll.complete();
 });

 .catch(() => infiniteScroll.complete());