ExpandableRelativeLayout height issues about expandablelayout HOT 3 OPEN

expandLayout.expand();
                    expandLayout.setListener(new ExpandableLayoutListener() {
                        @Override
                        public void onAnimationStart() {

                        }

                        @Override
                        public void onAnimationEnd() {

                        }

                        @Override
                        public void onPreOpen() {

                        }

                        @Override
                        public void onPreClose() {

                        }

                        @Override
                        public void onOpened() {
                            expandLayout.setLayoutParams(new RelativeLayout.LayoutParams(
                                    ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
                        }

                        @Override
                        public void onClosed() {

                        }
                    });