import listPickerModule = require("ui/list-picker"); export function getNativeItemsCount(listPicker: listPickerModule.ListPicker): number { var maxValue = listPicker.android.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.android.setValue(index); (listPicker)._valueChangedListener.onValueChange(listPicker.android, oldIndex, index); }