infite animation is not working some time

[sumitnaharia]

when we add infinite animation some time they stop when we scroll upward

[ayalma]

can you provide some code?

[sumitnaharia]

package com.homebrain.adapter;

import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.os.Handler;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.SeekBar;
import android.widget.TextView;

import com.homebrain.R;
import com.homebrain.models.Device;
import com.homebrain.models.Group;
import com.homebrain.utill.AnimationUtills;
import com.homebrain.utill.Utils;
import com.homebrain.widgets.CheckBox;

import java.util.ArrayList;
import java.util.List;

import ayalma.ir.expandablerecyclerview.ExpandableRecyclerView;

/**

• Created by and-06 on 24/06/16.
  */
  public class RecycleViewExpandableAdapter extends ExpandableRecyclerView.Adapter<RecyclerView.ViewHolder, ExpandableRecyclerView.GroupViewHolder, Device, Group> {
  private final LayoutInflater inflater;
  private Context context;
  private ArrayList groupList = new ArrayList<>();
  private static final int ITEM_TYPE_LASM = 1;
  private static final int ITEM_TYPE_LDM = 2;
  private static final int ITEM_TYPE_FCM = 3;
  private static final int ITEM_TYPE_CCM = 4;
  private AnimationDrawable frameAnimation;
  private AnimationDrawable anim2;
  private AnimationDrawable anim;
  private Handler handler = new Handler();

  public RecycleViewExpandableAdapter(Context context, List listDataHeader, ArrayList listChildData) {
  this.context = context;
  // this.groupNameList = listDataHeader;
  this.groupList = listChildData;
  inflater = (LayoutInflater) this.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  }

  @OverRide
  public int getGroupItemCount() {
  if(groupList!=null)
  return groupList.size() - 1;
  else return -1;
  }

  @OverRide
  public int getChildItemCount(int i) {
  return groupList.get(i).getDevices().size();
  }

  @OverRide
  public Group getGroupItem(int i) {
  return groupList.get(i);
  }

  @OverRide
  public Device getChildItem(int i, int i1) {
  return groupList.get(i).getDevices().get(i1);
  }

  @OverRide
  protected ExpandableRecyclerView.GroupViewHolder onCreateGroupViewHolder(final ViewGroup viewGroup) {
  final View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.group_name_row, viewGroup, false);
  return new ExpandableRecyclerView.GroupViewHolder(rootView) {
  ImageView image = (ImageView) rootView.findViewById(R.id.group_expand_arow);

      @Override
      public void expand() {
          image.setImageResource(R.drawable.ic_home_up_arrow);
      }
  
      @Override
      public void collapse() {
          image.setImageResource(R.drawable.ic_home_down_arrow);
  
      }
  
      @Override
      public void setExpanded(boolean b) {
  
      }
  
      @Override
      public boolean isExpanded() {
          return true;
      }
  };
  

  }

  @OverRide
  public void onBindGroupViewHolder(ExpandableRecyclerView.GroupViewHolder holder, int group) {
  super.onBindGroupViewHolder(holder, group);
  TextView textView = (TextView) holder.itemView.findViewById(R.id.tv_group_name);
  textView.setText(groupList.get(group).getGroupName());

  }

  @OverRide
  public void onBindChildViewHolder(final RecyclerView.ViewHolder holder, final int group, final int position) {
  CompoundButton.OnCheckedChangeListener listener = new CompoundButton.OnCheckedChangeListener() {
  @OverRide
  public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
  if (isChecked) {
  groupList.get(group).getDevices().get(position).setStatus(Utils.Status.ON);
  } else {
  groupList.get(group).getDevices().get(position).setStatus(Utils.Status.OFF);
  }
  handler.postDelayed(new Runnable() {
  @OverRide
  public void run() {
  notifyDataSetChanged();

              }
          }, 200);
      }
  };
  SeekBar.OnSeekBarChangeListener onSeekBarChangeListener = new SeekBar.OnSeekBarChangeListener() {
      @Override
      public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
          int value = progress == 0 ? 0 : progress;
          groupList.get(group).getDevices().get(position).setLastValue(groupList.get(group).getDevices().get(position).getCurrentValue());
          groupList.get(group).getDevices().get(position).setCurrentValue(value);
          handler.postDelayed(new Runnable() {
              @Override
              public void run() {
                  notifyDataSetChanged();
  
              }
          }, 200);
      }
  
      @Override
      public void onStartTrackingTouch(SeekBar seekBar) {
      }
  
      @Override
      public void onStopTrackingTouch(SeekBar seekBar) {
      }
  };
  SeekBar.OnSeekBarChangeListener onSeekBarFanChangeListener = new SeekBar.OnSeekBarChangeListener() {
      @Override
      public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
  

  // float value = progress==0?0:(float)progress/100;
  // Syso.print("* progres 1st >"+progress);
  float value = progress == 0 ? 0 : 600 - progress * 100;
  // Syso.print("* progres 2nd >"+value);
  groupList.get(group).getDevices().get(position).setLastValue(groupList.get(group).getDevices().get(position).getCurrentValue());
  groupList.get(group).getDevices().get(position).setCurrentValue((int) value);
  handler.postDelayed(new Runnable() {
  @OverRide
  public void run() {
  notifyDataSetChanged();

              }
          }, 200);
      }
  
      @Override
      public void onStartTrackingTouch(SeekBar seekBar) {
      }
  
      @Override
      public void onStopTrackingTouch(SeekBar seekBar) {
      }
  };
  
  super.onBindChildViewHolder(holder, group, position);
  final Device device = groupList.get(group).getDevices().get(position);
  
  if (holder instanceof ChildLasmViewHolder) {
      ((ChildLasmViewHolder) holder).icHomeDeviceUnActive.setImageResource(device.getDeviceType().getImg_gray());
      ((ChildLasmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getAnim_img_2());
      ((ChildLasmViewHolder) holder).txtHomeDeviceName.setText(device.getDeviceType().getName());
      ((ChildLasmViewHolder) holder).icHomeDeviceActive.clearAnimation();
      ((ChildLasmViewHolder) holder).icHomeDeviceActive.setVisibility(View.GONE);
      if (device.getStatus() == Utils.Status.ON) {
          ((ChildLasmViewHolder) holder).icHomeDeviceActive.setVisibility(View.VISIBLE);
          ((ChildLasmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_active);
          AnimationUtills.updateAlpha(((ChildLasmViewHolder) holder).icHomeDeviceActive, ((float) device.getLastValue() / 100), ((float) device.getCurrentValue() / 100));
          ((ChildLasmViewHolder) holder).icHomeDeviceSpeedLine.setProgressDrawable(context.getResources().getDrawable(R.drawable.seekbar_progressbar));
          ((ChildLasmViewHolder) holder).icHomeDeviceUnActiveOff.setChecked(true);
      } else {
          ((ChildLasmViewHolder) holder).icHomeDeviceActive.setVisibility(View.INVISIBLE);
          ((ChildLasmViewHolder) holder).icHomeDeviceSpeedLine.setProgressDrawable(context.getResources().getDrawable(R.drawable.seekbar_progressbar_unactive));
          ((ChildLasmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_inactive);
          //((ChildLasmViewHolder) holder).icHomeDeviceUnActiveOff.setChecked(false);
          ((ChildLasmViewHolder) holder).icHomeDeviceSpeedLine.setProgress(device.getCurrentValue());
          AnimationUtills.updateAlpha(((ChildLasmViewHolder) holder).icHomeDeviceActive, 0, 0);
      }
      ((ChildLasmViewHolder) holder).icHomeDeviceSpeedLine.setOnSeekBarChangeListener(onSeekBarChangeListener);
      ((ChildLasmViewHolder) holder).icHomeDeviceUnActiveOff.setOnCheckedChangeListener(listener);
  
  } else if (holder instanceof ChildLdmViewHolder) {
      ((ChildLdmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getImg_gray());
      ((ChildLdmViewHolder) holder).txtHomeDeviceName.setText(device.getDeviceType().getName());
      ((ChildLdmViewHolder) holder).icHomeDeviceUnActiveOff.setOnCheckedChangeListener(listener);
      if (device.getStatus() == Utils.Status.ON) {
          ((ChildLdmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_active);
  
          ((ChildLdmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getAnim_img_2());
  
      } else {
          ((ChildLdmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_inactive);
  
          ((ChildLdmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getImg_gray());
  
      }
  
  
  } else if (holder instanceof ChildFcmViewHolder) {
  

  // childViewHolder.img_fan_active.setVisibility(View.VISIBLE);
  ((ChildFcmViewHolder) holder).icHomeDeviceUnActive.setImageResource(device.getDeviceType().getAnim_img_1());
  ((ChildFcmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getAnim_img_2());
  ((ChildFcmViewHolder) holder).img_fan_active.setImageResource(device.getDeviceType().getAnim_img_3());
  ((ChildFcmViewHolder) holder).img_fan_active.setVisibility(View.GONE);
  ((ChildFcmViewHolder) holder).icHomeDeviceActive.setVisibility(View.VISIBLE);
  if (device.getDeviceType().getId() == 101) {
  //((ChildFcmViewHolder) holder).icHomeDeviceActive.setPadding(context.getResources().getInteger(R.integer.x_for_room_cooler), context.getResources().getInteger(R.integer.y_for_room_cooler), context.getResources().getInteger(R.integer.x_for_room_cooler), context.getResources().getInteger(R.integer.y_for_room_cooler));
  RelativeLayout.LayoutParams lp1 = new RelativeLayout.LayoutParams(RecyclerView.LayoutParams.WRAP_CONTENT, RecyclerView.LayoutParams.WRAP_CONTENT);
  lp1.setMargins(context.getResources().getInteger(R.integer.x_for_room_cooler), context.getResources().getInteger(R.integer.y_for_room_cooler), 0, 0);
  ((ChildFcmViewHolder) holder).icHomeDeviceActive.setLayoutParams(lp1);
  ((ChildFcmViewHolder) holder).img_fan_active.setLayoutParams(lp1);

         // ((ChildFcmViewHolder) holder).img_fan_active.setPadding(context.getResources().getInteger(R.integer.x_for_room_cooler), context.getResources().getInteger(R.integer.y_for_room_cooler), context.getResources().getInteger(R.integer.x_for_room_cooler), context.getResources().getInteger(R.integer.y_for_room_cooler));
  
  
      } else if (device.getDeviceType().getId() == 106) {
       //   ((ChildFcmViewHolder) holder).img_fan_active.setPadding(context.getResources().getInteger(R.integer.x_for_table_fan), context.getResources().getInteger(R.integer.y_for_table_fan), context.getResources().getInteger(R.integer.x_for_table_fan), context.getResources().getInteger(R.integer.y_for_table_fan));
         // ((ChildFcmViewHolder) holder).icHomeDeviceActive.setPadding(context.getResources().getInteger(R.integer.x_for_table_fan), context.getResources().getInteger(R.integer.y_for_table_fan), context.getResources().getInteger(R.integer.x_for_table_fan), context.getResources().getInteger(R.integer.y_for_table_fan));
          RelativeLayout.LayoutParams lp1 = new RelativeLayout.LayoutParams(RecyclerView.LayoutParams.WRAP_CONTENT, RecyclerView.LayoutParams.WRAP_CONTENT);
          lp1.setMargins(context.getResources().getInteger(R.integer.x_for_table_fan), context.getResources().getInteger(R.integer.y_for_table_fan), 0, 0);
          ((ChildFcmViewHolder) holder).icHomeDeviceActive.setLayoutParams(lp1);
          ((ChildFcmViewHolder) holder).img_fan_active.setLayoutParams(lp1);
  
  
  
  
      } else if (device.getDeviceType().getId() == 104) {
       //   ((ChildFcmViewHolder) holder).img_fan_active.setPadding(context.getResources().getInteger(R.integer.x_for_pdestal_fan), context.getResources().getInteger(R.integer.y_for_pdestal_fan), context.getResources().getInteger(R.integer.x_for_pdestal_fan), context.getResources().getInteger(R.integer.y_for_pdestal_fan));
      //    ((ChildFcmViewHolder) holder).icHomeDeviceActive.setPadding(context.getResources().getInteger(R.integer.x_for_pdestal_fan), context.getResources().getInteger(R.integer.y_for_pdestal_fan), context.getResources().getInteger(R.integer.x_for_pdestal_fan), context.getResources().getInteger(R.integer.y_for_pdestal_fan));
          RelativeLayout.LayoutParams lp1 = new RelativeLayout.LayoutParams(RecyclerView.LayoutParams.WRAP_CONTENT, RecyclerView.LayoutParams.WRAP_CONTENT);
          lp1.setMargins(context.getResources().getInteger(R.integer.x_for_pdestal_fan), context.getResources().getInteger(R.integer.y_for_pdestal_fan), 0, 0);
          ((ChildFcmViewHolder) holder).img_fan_active.setLayoutParams(lp1);
          ((ChildFcmViewHolder) holder).icHomeDeviceActive.setLayoutParams(lp1);
  
  
  
      } else if (device.getDeviceType().getId() == 107) {
          ((ChildFcmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getAnim_img_2());
          ((ChildFcmViewHolder) holder).img_fan_active.setImageResource(device.getDeviceType().getAnim_img_2());
          ((ChildFcmViewHolder) holder).img_fan_active.setVisibility(View.VISIBLE);
  

  // ((ChildFcmViewHolder) holder).img_fan_active.setPadding(context.getResources().getInteger(R.integer.x_for_vrv_upper_blade), context.getResources().getInteger(R.integer.y_for_vrv_upper_blade), context.getResources().getInteger(R.integer.x_for_vrv_upper_blade), context.getResources().getInteger(R.integer.y_for_vrv_upper_blade));
  // ((ChildFcmViewHolder) holder).icHomeDeviceActive.setPadding(context.getResources().getInteger(R.integer.x_for_vrv_lower_blade), context.getResources().getInteger(R.integer.y_for_vrv_lower_blade), context.getResources().getInteger(R.integer.x_for_vrv_lower_blade), context.getResources().getInteger(R.integer.y_for_vrv_lower_blade));
  RelativeLayout.LayoutParams lp1 = new RelativeLayout.LayoutParams(RecyclerView.LayoutParams.WRAP_CONTENT, RecyclerView.LayoutParams.WRAP_CONTENT);
  lp1.setMargins(context.getResources().getInteger(R.integer.x_for_vrv_upper_blade), context.getResources().getInteger(R.integer.y_for_vrv_upper_blade), 0, 0);
  ((ChildFcmViewHolder) holder).img_fan_active.setLayoutParams(lp1);
  RelativeLayout.LayoutParams lp2 = new RelativeLayout.LayoutParams(RecyclerView.LayoutParams.WRAP_CONTENT, RecyclerView.LayoutParams.WRAP_CONTENT);
  lp2.setMargins(context.getResources().getInteger(R.integer.x_for_vrv_lower_blade), context.getResources().getInteger(R.integer.y_for_vrv_lower_blade), 0, 0);
  ((ChildFcmViewHolder) holder).icHomeDeviceActive.setLayoutParams(lp2);

          ((ChildFcmViewHolder) holder).icHomeDeviceActive.setVisibility(View.VISIBLE);
  
      }
  
      ((ChildFcmViewHolder) holder).txtHomeDeviceName.setText(device.getDeviceType().getName());
  

  // ((ChildFcmViewHolder) holder).img_fan_active.clearAnimation();
  // ((ChildFcmViewHolder) holder).icHomeDeviceActive.clearAnimation();

      ((ChildFcmViewHolder) holder).icHomeDeviceBrightnessIntensity.setOnSeekBarChangeListener(onSeekBarFanChangeListener);
      ((ChildFcmViewHolder) holder).icHomeDeviceUnActiveOff.setOnCheckedChangeListener(listener);
      if (device.getStatus() == Utils.Status.ON) {
  
  
          ((ChildFcmViewHolder) holder).img_fan_active.setVisibility(View.VISIBLE);
          if (device.getDeviceType().getId() == 107) {
              ((ChildFcmViewHolder) holder).icHomeDeviceActive.setImageResource(device.getDeviceType().getAnim_img_3());
              ((ChildFcmViewHolder) holder).img_fan_active.setImageResource(device.getDeviceType().getAnim_img_3());
              ((ChildFcmViewHolder) holder).icHomeDeviceActive.setVisibility(View.VISIBLE);
              AnimationUtills.updateRotation(((ChildFcmViewHolder) holder).img_fan_active, device.getCurrentValue());
              AnimationUtills.updateRotation(((ChildFcmViewHolder) holder).icHomeDeviceActive, device.getCurrentValue());
  
  
          } else if (device.getDeviceType().getId() == 100 || device.getDeviceType().getId() == 105 || device.getDeviceType().getId() == 108) {
              ((ChildFcmViewHolder) holder).icHomeDeviceActive.setVisibility(View.GONE);
              ((ChildFcmViewHolder) holder).img_fan_active.setImageResource(device.getDeviceType().getAnim_img_3());
  
  
          } else {
  
              ((ChildFcmViewHolder) holder).icHomeDeviceActive.setVisibility(View.GONE);
              AnimationUtills.updateRotation(((ChildFcmViewHolder) holder).img_fan_active, device.getCurrentValue());
              ((ChildFcmViewHolder) holder).img_fan_active.setImageResource(device.getDeviceType().getAnim_img_3());
  
          }
          ((ChildFcmViewHolder) holder).icHomeDeviceBrightnessIntensity.setProgressDrawable(context.getResources().getDrawable(R.drawable.seekbar_progressbar));
          ((ChildFcmViewHolder) holder).icHomeDeviceUnActiveOff.setChecked(true);
          ((ChildFcmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_active);
  
  
      } else {
          ((ChildFcmViewHolder) holder).img_fan_active.clearAnimation();
          ((ChildFcmViewHolder) holder).icHomeDeviceActive.clearAnimation();
  
          ((ChildFcmViewHolder) holder).icHomeDeviceBrightnessIntensity.setProgressDrawable(context.getResources().getDrawable(R.drawable.seekbar_progressbar_unactive));
  
          ((ChildFcmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_inactive);
          ((ChildFcmViewHolder) holder).icHomeDeviceUnActiveOff.setChecked(false);
      }
  
  
  } else if (holder instanceof ChildCcmViewHolder) {
      ((ChildCcmViewHolder) holder).txtHomeDeviceName.setText(device.getDeviceType().getName());
      ((ChildCcmViewHolder) holder).icHomeDeviceOpenClose.setOnCheckedChangeListener(listener);
      ((ChildCcmViewHolder) holder).icHomeCloseBtn.setClickable(true);
  
      ((ChildCcmViewHolder) holder).icHomeCloseBtn.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
              AnimationUtills.stopAnimation(handler);
              ((ChildCcmViewHolder) holder).icHomeDeviceOpenClose.setChecked(false);
          }
      });
  
      if (device.getDeviceType().getId() == 1) {
          ((ChildCcmViewHolder) holder).icHomeImageActive.setImageResource(R.drawable.roller_blind_animation);
  
      } else if (device.getDeviceType().getId() == 0) {
          ((ChildCcmViewHolder) holder).icHomeImageActive.setBackgroundResource(R.drawable.curtain_animation);
  
      }
      if (device.getStatus() == Utils.Status.ON) {
          ((ChildCcmViewHolder) holder).icHomeDeviceOpenClose.setClickable(false);
  
          if (device.getDeviceType().getId() == 1) {
              // Animation call from Animation Utills
              AnimationUtills.showAnimation(((ChildCcmViewHolder) holder).icHomeImageActive, context,handler, 2);
          } else if (device.getDeviceType().getId() == 0) {
              AnimationUtills.showAnimation(((ChildCcmViewHolder) holder).icHomeImageActive, context,handler, 1);
  
          }
          ((ChildCcmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_active);
  
      } else {
          ((ChildCcmViewHolder) holder).icHomeDeviceOpenClose.setClickable(true);
  
  
          ((ChildCcmViewHolder) holder).icHomeDevice.setImageResource(R.drawable.btn_bg_home_inactive);
  
      }
  }
  

  }

  @OverRide
  protected RecyclerView.ViewHolder onCreateChildViewHolder(ViewGroup viewGroup, int i) {
  if (i == ITEM_TYPE_LASM) {
  View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.lasm_child_group_row, viewGroup, false);

      return new ChildLasmViewHolder(rootView);
  
  } else if (i == ITEM_TYPE_CCM) {
      View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.ccm_child_group_row, viewGroup, false);
      return new ChildCcmViewHolder(rootView);
  
  } else if (i == ITEM_TYPE_LDM) {
      View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.ldm_child_group_row, viewGroup, false);
      return new ChildLdmViewHolder(rootView);
  
  } else if (i == ITEM_TYPE_FCM) {
      View rootView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.fcm_child_group_row, viewGroup, false);
      return new ChildFcmViewHolder(rootView);
  
  }
  throw new RuntimeException("there is no type that matches the type " + i + " + make sure your using types correctly");
  

  }

  @OverRide
  public int getChildItemViewType(int i, int i1) {
  if (groupList.get(i).getDevices().get(i1).getDeviceType().getProductType().equals(Utils.ProductType.LASM)) {
  return ITEM_TYPE_LASM;
  } else if (groupList.get(i).getDevices().get(i1).getDeviceType().getProductType().equals(Utils.ProductType.LDM)) {
  return ITEM_TYPE_LDM;
  } else if (groupList.get(i).getDevices().get(i1).getDeviceType().getProductType().equals(Utils.ProductType.FCM)) {
  return ITEM_TYPE_FCM;
  } else {
  return ITEM_TYPE_CCM;
  }
  }

  public class GroupViewHolder extends ExpandableRecyclerView.ViewHolder {

  private TextView groupName;
  private ImageView expanArow;
  
  public GroupViewHolder(View context) {
      super(context);
  
      groupName = (TextView) context.findViewById(R.id.tv_group_name);
      expanArow = (ImageView) context.findViewById(R.id.group_expand_arow);
  
  }
  

  }

  public class ChildLasmViewHolder extends RecyclerView.ViewHolder {
  TextView txtHomeDeviceName;
  ImageView icHomeDevice;
  SeekBar icHomeDeviceBrightnessLine;
  SeekBar icHomeDeviceSpeedLine;
  CheckBox icHomeDeviceUnActiveOff;
  ImageView icHomeDeviceUnActive;
  ImageView icHomeDeviceActive;

  public ChildLasmViewHolder(View itemView) {
      super(itemView);
      txtHomeDeviceName = (TextView) itemView.findViewById(R.id.tv_home_device_name);
      icHomeDevice = (ImageView) itemView.findViewById(R.id.imageView);
      icHomeDeviceUnActive = (ImageView) itemView.findViewById(R.id.img_bulb_inactive);
      icHomeDeviceSpeedLine = (SeekBar) itemView.findViewById(R.id.home_seek_bar);
      icHomeDeviceActive = (ImageView) itemView.findViewById(R.id.img_bulb_active);
      icHomeDeviceUnActiveOff = (CheckBox) itemView.findViewById(R.id.ic_home_device_on_off);
      icHomeDeviceBrightnessLine = (SeekBar) itemView.findViewById(R.id.home_seek_bar);
  }
  

  }

  public class ChildLdmViewHolder extends RecyclerView.ViewHolder {
  TextView txtHomeDeviceName;
  ImageView icHomeDevice;
  CheckBox icHomeDeviceUnActiveOff;
  ImageView icHomeDeviceActive;

  public ChildLdmViewHolder(View itemView) {
      super(itemView);
      txtHomeDeviceName = (TextView) itemView.findViewById(R.id.tv_home_device_name);
      icHomeDevice = (ImageView) itemView.findViewById(R.id.imageView);
      icHomeDeviceActive = (ImageView) itemView.findViewById(R.id.img_bulb_inactive);
      icHomeDeviceUnActiveOff = (CheckBox) itemView.findViewById(R.id.ic_home_device_on_off);
  
  }
  

  }

  public class ChildFcmViewHolder extends RecyclerView.ViewHolder {
  TextView txtHomeDeviceName;
  ImageView icHomeDevice;
  SeekBar icHomeDeviceBrightnessIntensity;
  CheckBox icHomeDeviceUnActiveOff;
  ImageView icHomeDeviceUnActive;
  ImageView icHomeDeviceActive, img_fan_active;

  public ChildFcmViewHolder(View itemView) {
      super(itemView);
      txtHomeDeviceName = (TextView) itemView.findViewById(R.id.tv_home_device_name);
      icHomeDevice = (ImageView) itemView.findViewById(R.id.imageView);
      icHomeDeviceUnActive = (ImageView) itemView.findViewById(R.id.img_bulb_inactive);
      icHomeDeviceActive = (ImageView) itemView.findViewById(R.id.img_bulb_active);
      icHomeDeviceUnActiveOff = (CheckBox) itemView.findViewById(R.id.ic_home_device_on_off);
      icHomeDeviceBrightnessIntensity = (SeekBar) itemView.findViewById(R.id.home_seek_bar1);
      img_fan_active = (ImageView) itemView.findViewById(R.id.img_fan_active);
  
  }
  

  }

  public class ChildCcmViewHolder extends RecyclerView.ViewHolder {
  TextView txtHomeDeviceName;
  ImageView icHomeDevice;
  CheckBox icHomeDeviceOpenClose;
  ImageView icHomeOne, icHomeTwo, icHomeThree, icHomeFour, icHomeCloseBtn, icHomeImageActive;

  public ChildCcmViewHolder(View itemView) {
      super(itemView);
      txtHomeDeviceName = (TextView) itemView.findViewById(R.id.tv_home_device_name);
      icHomeDevice = (ImageView) itemView.findViewById(R.id.imageView);
      icHomeOne = (ImageView) itemView.findViewById(R.id.img1);
      icHomeTwo = (ImageView) itemView.findViewById(R.id.img2);
      icHomeThree = (ImageView) itemView.findViewById(R.id.img3);
      icHomeFour = (ImageView) itemView.findViewById(R.id.img4);
      icHomeCloseBtn = (ImageView) itemView.findViewById(R.id.ic_close_btn);
      icHomeImageActive = (ImageView) itemView.findViewById(R.id.ic_home_image_active);
  
      icHomeDeviceOpenClose = (CheckBox) itemView.findViewById(R.id.ic_home_device_open_close);
  
  }
  

  }

  @OverRide
  public void collapse(int group) {
  super.collapse(group);
  }

}

[sumitnaharia]

i have added only adapter code if u want i can send you more code also