TestWatchView.mc

using Toybox.WatchUi as Ui;
using Toybox.Graphics as Gfx;
using Toybox.System as Sys;
using Toybox.Lang as Lang;

class TestWatchView extends Ui.WatchFace {

    //! Load your resources here
    function onLayout(dc) {
        setLayout(Rez.Layouts.WatchFace(dc));
    }

    //! Restore the state of the app and prepare the view to be shown
    function onShow() {
    }

    //! Update the view
    function onUpdate(dc) {
        // Get and show the current time
        var clockTime = Sys.getClockTime();
        var timeString = Lang.format("$1$:$2$:$3$", [clockTime.hour, clockTime.min.format("%.2d"), clockTime.sec.format("%.2d")]);
        var view = View.findDrawableById("TimeLabel");
        view.setText(timeString);

        // Call the parent onUpdate function to redraw the layout
        View.onUpdate(dc);
        System.println("End of onUpdate");
    }

    //! The user has just looked at their watch. Timers and animations may be started here.
    function onExitSleep() {
    }

    //! Terminate any active timers and prepare for slow updates.
    function onEnterSleep() {
    }

}