import * as listPickerModule from "@nativescript/core/ui/list-picker"; export function getNativeItemsCount(listPicker: listPickerModule.ListPicker): number { var maxValue = listPicker.nativeViewProtected.getMaxValue(); if (listPicker.items.length === 0 && maxValue === 0) { return 0; } return maxValue + 1; } export function selectNativeItem(listPicker: listPickerModule.ListPicker, index: number): void { var oldIndex = listPicker.selectedIndex; listPicker.nativeViewProtected.setValue(index); listPicker.nativeViewProtected.valueChangedListener.onValueChange(listPicker.android, oldIndex, index); }