RadListView Scroll to bottom is difficult

[millan2993]

Tell us about the problem

I cann't to make scroll to bottom. I cann't to know the last item or last index scrollable.

Which platform(s) does your issue occur on?

Android

try {
      setTimeout(async () => {
        const count = await this.messageService.getCountMessages() - 1;
        if (count > 1) {
          // this.listViewComponent.listView.scrollWithAmount(99999999, false);

          this.listViewComponent.listView.scrollToIndex(count, false, ListViewItemSnapMode.Auto);

        }
      }, 200);

    } catch (e) {
      console.log(e);
    }

"dependencies": {
    "@angular/animations": "~8.2.0",
    "@angular/common": "~8.2.0",
    "@angular/compiler": "~8.2.0",
    "@angular/core": "~8.2.0",
    "@angular/forms": "~8.2.0",
    "@angular/platform-browser": "~8.2.0",
    "@angular/platform-browser-dynamic": "~8.2.0",
    "@angular/router": "~8.2.0",
    "nativescript-angular": "^8.20.3",
    "nativescript-background-http": "^4.2.1",
    "nativescript-image": "^2.2.5",
    "nativescript-imagepicker": "^7.1.0",
    "nativescript-plugin-firebase": "^10.3.3",
    "nativescript-socketio": "^3.3.1",
    "nativescript-sqlite": "^2.3.3",
    "nativescript-theme-core": "~1.0.6",
    "nativescript-ui-listview": "^8.0.1",
    "reflect-metadata": "~0.1.12",
    "rxjs": "^6.4.0",
    "tns-core-modules": "^6.3.2",
    "zone.js": "^0.9.1"
  },
  "devDependencies": {
    "@angular/cli": "^8.3.21",
    "@angular/compiler-cli": "8.2.0",
    "@nativescript/schematics": "^0.7.3",
    "@ngtools/webpack": "8.2.0",
    "nativescript-dev-webpack": "^1.4.0",
    "typescript": "~3.5.3"
  },