sort arraylist items..

sort.java

if (homeData.size() > 0) {

        Collections.sort(homeData,
            Collections.reverseOrder(new SortedListAdapterCallback<HomeItemModel>(adapter) {
              @Override
              public int compare(HomeItemModel o1, HomeItemModel o2) {

                // arraylist of strings that contoins what the user had slected as hobbies
                // whihc are the ones that I want them to show always at the top..!
                if (Hawk.contains("Hobbies")) { 

                  ArrayList<String> hobbiesList = Hawk.get("Hobbies");
                        
                    if (o1.getCategory().equals("Swimming") && hobbiesList.contains("Swimming")) {
                    weight1 = 5;

                    } else if (o1.getCategory().equals("Football") && hobbiesList.contains("Football")) {
                    weight1 = 4;

                    } else if (o1.getCategory().equals("Running") && hobbiesList.contains("Running")) {
                    weight1 = 3;
                    
                    } else if (o1.getCategory().equals("MMA") && hobbiesList.contains("MMA")) {
                    weight1 = 2;
                    
                    } else if (o1.getCategory().equals("D&D") && hobbiesList.contains("D&D")) {
                    weight1 = 1;
                     
                     }else { 
                    weight1 = 0;
                    }

                    if (o2.getCategory().equals("Swimming") && hobbiesList.contains("Swimming")) {
                    weight2 = 5;
                   
                    } else if (o2.getCategory().equals("Football") && hobbiesList.contains("Football")) {
                    weight2 = 4;

                    } else if (o2.getCategory().equals("Running") && hobbiesList.contains("Running")) {
                    weight2 = 3;
                    
                    } else if (o2.getCategory().equals("MMA") && hobbiesList.contains("MMA")) {
                    weight2 = 2;
                    
                    } else if (o2.getCategory().equals("D&D")&& hobbiesList.contains("D&D")) {
                    weight2 = 1;

                    } else {
                    weight2 = 0;
                    }
               

                  if (weight1 == weight2) {
                    return 0;
                  } else if (weight1 > weight2) {
                    return 1;
                  } else {
                    return -1;
                  }     

                } 
                return 0;

              }

              @Override
              public boolean areContentsTheSame(HomeItemModel oldItem, HomeItemModel newItem) {
                return false;
              }

              @Override
              public boolean areItemsTheSame(HomeItemModel item1, HomeItemModel item2) {
                return false;
              }
            }));

      }
      adapter.notifyDataSetChanged();

      // code..
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