foldik loh

const JAVA_ANIMATOR = android.animation.ValueAnimator;
const JAVA_HANDLER = android.os.Handler;
const LOOPER_THREAD = android.os.Looper;
const JAVA_HANDLER_THREAD = new JAVA_HANDLER(LOOPER_THREAD.getMainLooper());

const createAnim = function(_values, _duration, _updateFunc){
    var animation = JAVA_ANIMATOR.ofInt(_values);
    animation.setDuration(_duration);
    if(_updateFunc)animation.addUpdateListener({
        onAnimationUpdate : function(updatedAnim){
            _updateFunc(updatedAnim.getAnimatedValue(), updatedAnim);
        }
    });
    JAVA_HANDLER_THREAD.post({
        run: function(){
            animation.start();
        }
    })
    return animation;
}

var textElem;
var textElement = {
    type: "text",
    x: 400,
    y: 550,
    text: 'Test text',
    z: 10,
    font: {
        color: android.graphics.Color.argb(255, 255, 255, 255),
        size: 50,
        shadow: 0
    }
}

function startAnim(){
    //textElem = testUi_Screen2.getContentProvider().elementMap.get("text");
    createAnim([0,255], 500, function(value){
        textElement.font.color = android.graphics.Color.argb(value, 255, 255, 255);
        //textElem.descriptionWatcher.refresh();
    })
}

var testUi_Screen2 = new UI.Window({
    location: { x: 300, y: 60, width: 300, height: 300 }, elements: {
        "element1": {
            type: "button", x: 0, y: 0, scale: 250/20, bitmap: "close_button",
            onTouchEvent: function (a, event) {
                if(event.type != 'CLICK')return;
                startAnim();
            }
        },
        text: textElement
    },
    drawing: [{type: 'color', color: android.graphics.Color.TRANSPARENT}]
});
var container_2 = new UI.Container();
testUi_Screen2.setAsGameOverlay(true);
container_2.openAs(testUi_Screen2);