code: package freed.cam.ui.themenextgen.fragment;
  
  import android.graphics.Color;
  import android.os.Bundle;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.AdapterView;
  import android.widget.ArrayAdapter;
  import android.widget.ListView;
  import android.widget.TextView;
  
  import androidx.annotation.NonNull;
  import androidx.annotation.Nullable;
  import androidx.fragment.app.Fragment;
  
  import com.troop.freedcam.R;
  
  import java.util.List;
  
  import javax.inject.Inject;
  
  import dagger.hilt.android.AndroidEntryPoint;
  import freed.cam.apis.CameraApiManager;
  import freed.cam.apis.basecamera.Size;
  import freed.cam.event.camera.CameraHolderEvent;
  import freed.cam.ui.themenextgen.adapter.NextGenSettingItemFragmentAdapter;
  import freed.cam.ui.themenextgen.adapter.NextGenSettingSubItemAdapter;
  import freed.cam.ui.themenextgen.layoutconfig.SettingItemConfig;
  import freed.cam.ui.themenextgen.view.button.NextGenSettingBoolItem;
  import freed.cam.ui.themenextgen.view.button.NextGenSettingButton;
  import freed.cam.ui.themenextgen.view.button.NextGenSettingItem;
  import freed.settings.SettingsManager;
  
  
  @AndroidEntryPoint
  public class NextGenSettingDummyFragment extends Fragment implements CameraHolderEvent
  {
      @Inject
      CameraApiManager cameraApiManager;
      @Inject
      SettingsManager settingsManager;
  
      private List<SettingItemConfig> keyList;
      private ListView itemHolder;
      NextGenSettingItemFragmentAdapter adapter;
      NextGenSettingSubItemAdapter simpleTextAdapter;
  
      public static NextGenSettingDummyFragment getInstance(List<SettingItemConfig> list)
      {
          return new NextGenSettingDummyFragment(list);
      }
  
      private NextGenSettingDummyFragment()
      {
  
      }
  
      private NextGenSettingDummyFragment(List<SettingItemConfig> list)
      {
          this.keyList = list;
      }
  
      @Nullable
      @Override
      public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
          return inflater.inflate(R.layout.nextgen_setting_dummyfragment, container, false);
      }
  
      @Override
      public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
          super.onViewCreated(view, savedInstanceState);
          this.itemHolder = view.findViewById(R.id.nextgen_itemholder);
          cameraApiManager.addEventListner(this);
          //fillUiWithParameters();
      }
  
      @Override
      public void onDestroyView() {
          super.onDestroyView();
          cameraApiManager.removeEventListner(this);
      }
  
      @Override
      public void onResume() {
          super.onResume();
          fillUiWithParameters();
      }
  
      @Override
      public void onCameraOpen() {
  
      }
  
      @Override
      public void onCameraOpenFinished() {
          fillUiWithParameters();
      }
  
      @Override
      public void onCameraClose() {
  
      }
  
      @Override
      public void onCameraError(String error) {
  
      }
  
      @Override
      public void onCameraChangedAspectRatioEvent(Size size) {
  
      }
  
      private void fillUiWithParameters()
      {
          itemHolder.post(new Runnable() {
              @Override
              public void run() {
  
                  adapter = new NextGenSettingItemFragmentAdapter(getContext(),R.id.nextgen_itemholder);
                  adapter.setCameraApiManager(cameraApiManager);
                  adapter.setSettingsManager(settingsManager);
                  adapter.setKeyList(keyList);
                  itemHolder.setAdapter(adapter);
                  itemHolder.setOnItemClickListener(itemClickListener);
              }
          });
  
      }
  
      private final AdapterView.OnItemClickListener itemClickListener =  new AdapterView.OnItemClickListener() {
          @Override
          public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  
              SettingItemConfig config = adapter.getKeyList()[position];
              if (view instanceof NextGenSettingItem && config.getViewType() != SettingItemConfig.ViewType.Custom) {
                  itemHolder.setOnItemClickListener(null);
                  fillUiWithValuesFromParameter((NextGenSettingItem) view);
              }
              else if (view instanceof NextGenSettingBoolItem)
              {
  
              }
              else if (view instanceof NextGenSettingButton && config.getViewType() == SettingItemConfig.ViewType.Custom)
              {
                  ((NextGenSettingButton) view).onClick(view);
  
  
              }
          }
      };
  
      private NextGenSettingItem activeItem;
      private void fillUiWithValuesFromParameter(NextGenSettingItem nextGenSettingItem)
      {
          activeItem = nextGenSettingItem;
          String[] values = nextGenSettingItem.getParameter().getStringValues();
          String value  = nextGenSettingItem.getParameter().getStringValue();
          String[] valuesWithBack = new String[values.length+1];
          valuesWithBack[0] = "Back";
          int i =1;
          int selected =0;
          for (String s : values) {
              if (s.equals(value))
                  selected = i;
              valuesWithBack[i++] = s;
          }
  
          simpleTextAdapter = new NextGenSettingSubItemAdapter(getActivity().getApplicationContext(),
                  R.layout.nextgen_setting_adapterlayout_simpeltext, R.id.listviewlayout_textview, valuesWithBack);
          itemHolder.setAdapter(simpleTextAdapter);
          itemHolder.setSelection(selected);
          simpleTextAdapter.setSelected(selected);
          itemHolder.setOnItemClickListener(new AdapterView.OnItemClickListener() {
              @Override
              public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                  itemHolder.setOnItemClickListener(null);
                  String value = (String) itemHolder.getItemAtPosition(position);
                  if (!value.equals("Back"))
                      if (activeItem instanceof NextGenSettingItem) {
                          activeItem.getParameter().setStringValue(value, true);
                      }
                  itemHolder.setAdapter(adapter);
                  itemHolder.setOnItemClickListener(itemClickListener);
                  activeItem = null;
              }
          });
      }
  }
  