android - AppBarLay's onOffsetChanged outInfinite execution -

mappbarlayout.addonoffsetchangedlistener(new appbarlayout.onoffsetchangedlistener() {         @override         public void onoffsetchanged(appbarlayout appbarlayout, int verticaloffset) {             float percentage = (float) math.abs(verticaloffset) / (float) appbarlayout.gettotalscrollrange();             int color = (int) evaluator.evaluate(percentage, color.white, color.blue);             mtablayout.settabtextcolors(color, color);         }     }); 

if listener callback add tablayout.settabtextcolors method, callback executed indefinitely. please tell me why? , how use percentage in callback dynamically change title color of tablayout??