NativeScript/apps/app/ui-tests-app/events/touch-event.ts

import { TextView } from "tns-core-modules/ui/text-view";
import * as gestures from "tns-core-modules/ui/gestures";

export function onTouch(args: gestures.TouchGestureEventData) {
    let msg = " touch action: " + args.action +
        " x: " + Math.round(args.getX()) + " y: " + Math.round(args.getY()) +
        " count: " + args.getPointerCount();

    let p;
    msg += " ACTIVE: ";
    let pointers = args.getActivePointers();
    for (let index = 0; index < pointers.length; index++) {
        p = pointers[index];
        msg += " p" + index + "[" + Math.round(p.getX()) + ", " + Math.round(p.getY()) + "]"
    }

    msg += " ALL: ";
    pointers = args.getAllPointers();
    for (let index = 0; index < pointers.length; index++) {
        p = pointers[index];
        msg += " p" + index + "[" + Math.round(p.getX()) + ", " + Math.round(p.getY()) + "]"
    }

    console.log(msg);
    (<TextView>args.view.page.getViewById("output")).text += msg + "\n";
}

export function clear(args) {
    args.object.page.getViewById("output").text = "";
}