new GestureDetector(
                      onTap: () {
                        var route = new MaterialPageRoute(builder: (BuildContext context) => new FilterScreen(areaList));
                        Navigator.of(context).push(route);
                      },
                      child: new Container(
                          margin: EdgeInsets.all(10.0),
                          child: new Image.asset(
                            "images/ic_filter.png",
                            height: 30.0,
                            width: 30.0,
                          )),
                    ),

new Expanded(
              child: new MaterialButton(
                onPressed: () {
                  String areaIds = "";
                  for(int i=0;i<areaList.length;i++){
                    if(areaList[i].isChecked){
                      areaIds += "${areaList[i].AreaMasterId},";
                    }
                  }
//                  Constants.areaMasterIds = areaIds;
//                  Constants.isLoadingAllStore = true;
                  var route = new MaterialPageRoute(builder: (BuildContext context) => new AllStoreTabScreen(false));
                  Navigator.of(context).pushReplacement(route);

                },
                color: Colors.myColor,
                child: new Container(
                  padding: EdgeInsets.all(15.0),
                  child: new Text(
                    "APPLY",
                    style: Theme
                        .of(context)
                        .textTheme
                        .body1
                        .apply(color: Colors.white),
                  ),
                ),
              ),
            ),