how to show recyclerview with grid Layout manager in childview in expandablelistview





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I am working on expandableListview which is working fine. Now I want to show gridLayoutManager with recyclerView in child View, which is not working fine. enter image description here



I want this type of menu when I click the category then sub category will be pop up with grid layout or linear layout with horizontal scrollView.
adapter code is:



@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {

final ChildCategory child = (ChildCategory) getChild(groupPosition, childPosition);
int Id = child.getId();
String name = child.getName();
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.childs, parent, false);
}
childCate = new ArrayList<>();
childCate.add(new ChildCategory(Id,name));
rvCategory = convertView.findViewById(R.id.rvCategory);
InnerRecyclerViewAdapter adapter = new InnerRecyclerViewAdapter(_context,childCate);
rvCategory.setLayoutManager(new LinearLayoutManager(_context,LinearLayoutManager.HORIZONTAL,false));
rvCategory.setAdapter(adapter);
adapter.notifyDataSetChanged();
Log.e("List",childCate.toString());
for (int i=0;i<childCate.size();i++){
Log.e("name",name );
}
return convertView;
}


InnerRecyclerViewAdapter code is:



public class InnerRecyclerViewAdapter extends RecyclerView.Adapter<InnerRecyclerViewAdapter.ViewHolder> {
private ArrayList<ChildCategory> child;
Context context;
int groupPosition;
String groupname;

public InnerRecyclerViewAdapter(Context context,ArrayList<ChildCategory> child) {
this.child = child;
this.context=context;
}

public class ViewHolder extends RecyclerView.ViewHolder {
TextView name;
CardView cardView;

public ViewHolder(View itemView) {
super(itemView);
name = itemView.findViewById(R.id.itemTextView);
cardView=itemView.findViewById(R.id.cardView);
}
public void setData(final ChildCategory childCategory){
name.setText(childCategory.getName());
}
}

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.card_expand_item_view, parent, false);
InnerRecyclerViewAdapter.ViewHolder vh = new InnerRecyclerViewAdapter.ViewHolder(v);
return vh;
}

@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
holder.setData(child.get(position));
}

@Override
public int getItemCount() {
return child.size();
}


}



where I am doing mistake.










share|improve this question

























  • You have shown your expected screen but pls also show the current screenshot. In addition, for the expandablelistview adapter, pls also show getChild(), getChildrenCount() methods. I haven't try recycler view but tried viewpager. This link: stackoverflow.com/questions/50288713/… Hope that helps!

    – I_A_Mok
    Nov 19 '18 at 3:16




















0















I am working on expandableListview which is working fine. Now I want to show gridLayoutManager with recyclerView in child View, which is not working fine. enter image description here



I want this type of menu when I click the category then sub category will be pop up with grid layout or linear layout with horizontal scrollView.
adapter code is:



@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {

final ChildCategory child = (ChildCategory) getChild(groupPosition, childPosition);
int Id = child.getId();
String name = child.getName();
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.childs, parent, false);
}
childCate = new ArrayList<>();
childCate.add(new ChildCategory(Id,name));
rvCategory = convertView.findViewById(R.id.rvCategory);
InnerRecyclerViewAdapter adapter = new InnerRecyclerViewAdapter(_context,childCate);
rvCategory.setLayoutManager(new LinearLayoutManager(_context,LinearLayoutManager.HORIZONTAL,false));
rvCategory.setAdapter(adapter);
adapter.notifyDataSetChanged();
Log.e("List",childCate.toString());
for (int i=0;i<childCate.size();i++){
Log.e("name",name );
}
return convertView;
}


InnerRecyclerViewAdapter code is:



public class InnerRecyclerViewAdapter extends RecyclerView.Adapter<InnerRecyclerViewAdapter.ViewHolder> {
private ArrayList<ChildCategory> child;
Context context;
int groupPosition;
String groupname;

public InnerRecyclerViewAdapter(Context context,ArrayList<ChildCategory> child) {
this.child = child;
this.context=context;
}

public class ViewHolder extends RecyclerView.ViewHolder {
TextView name;
CardView cardView;

public ViewHolder(View itemView) {
super(itemView);
name = itemView.findViewById(R.id.itemTextView);
cardView=itemView.findViewById(R.id.cardView);
}
public void setData(final ChildCategory childCategory){
name.setText(childCategory.getName());
}
}

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.card_expand_item_view, parent, false);
InnerRecyclerViewAdapter.ViewHolder vh = new InnerRecyclerViewAdapter.ViewHolder(v);
return vh;
}

@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
holder.setData(child.get(position));
}

@Override
public int getItemCount() {
return child.size();
}


}



where I am doing mistake.










share|improve this question

























  • You have shown your expected screen but pls also show the current screenshot. In addition, for the expandablelistview adapter, pls also show getChild(), getChildrenCount() methods. I haven't try recycler view but tried viewpager. This link: stackoverflow.com/questions/50288713/… Hope that helps!

    – I_A_Mok
    Nov 19 '18 at 3:16
















0












0








0








I am working on expandableListview which is working fine. Now I want to show gridLayoutManager with recyclerView in child View, which is not working fine. enter image description here



I want this type of menu when I click the category then sub category will be pop up with grid layout or linear layout with horizontal scrollView.
adapter code is:



@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {

final ChildCategory child = (ChildCategory) getChild(groupPosition, childPosition);
int Id = child.getId();
String name = child.getName();
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.childs, parent, false);
}
childCate = new ArrayList<>();
childCate.add(new ChildCategory(Id,name));
rvCategory = convertView.findViewById(R.id.rvCategory);
InnerRecyclerViewAdapter adapter = new InnerRecyclerViewAdapter(_context,childCate);
rvCategory.setLayoutManager(new LinearLayoutManager(_context,LinearLayoutManager.HORIZONTAL,false));
rvCategory.setAdapter(adapter);
adapter.notifyDataSetChanged();
Log.e("List",childCate.toString());
for (int i=0;i<childCate.size();i++){
Log.e("name",name );
}
return convertView;
}


InnerRecyclerViewAdapter code is:



public class InnerRecyclerViewAdapter extends RecyclerView.Adapter<InnerRecyclerViewAdapter.ViewHolder> {
private ArrayList<ChildCategory> child;
Context context;
int groupPosition;
String groupname;

public InnerRecyclerViewAdapter(Context context,ArrayList<ChildCategory> child) {
this.child = child;
this.context=context;
}

public class ViewHolder extends RecyclerView.ViewHolder {
TextView name;
CardView cardView;

public ViewHolder(View itemView) {
super(itemView);
name = itemView.findViewById(R.id.itemTextView);
cardView=itemView.findViewById(R.id.cardView);
}
public void setData(final ChildCategory childCategory){
name.setText(childCategory.getName());
}
}

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.card_expand_item_view, parent, false);
InnerRecyclerViewAdapter.ViewHolder vh = new InnerRecyclerViewAdapter.ViewHolder(v);
return vh;
}

@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
holder.setData(child.get(position));
}

@Override
public int getItemCount() {
return child.size();
}


}



where I am doing mistake.










share|improve this question
















I am working on expandableListview which is working fine. Now I want to show gridLayoutManager with recyclerView in child View, which is not working fine. enter image description here



I want this type of menu when I click the category then sub category will be pop up with grid layout or linear layout with horizontal scrollView.
adapter code is:



@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {

final ChildCategory child = (ChildCategory) getChild(groupPosition, childPosition);
int Id = child.getId();
String name = child.getName();
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.childs, parent, false);
}
childCate = new ArrayList<>();
childCate.add(new ChildCategory(Id,name));
rvCategory = convertView.findViewById(R.id.rvCategory);
InnerRecyclerViewAdapter adapter = new InnerRecyclerViewAdapter(_context,childCate);
rvCategory.setLayoutManager(new LinearLayoutManager(_context,LinearLayoutManager.HORIZONTAL,false));
rvCategory.setAdapter(adapter);
adapter.notifyDataSetChanged();
Log.e("List",childCate.toString());
for (int i=0;i<childCate.size();i++){
Log.e("name",name );
}
return convertView;
}


InnerRecyclerViewAdapter code is:



public class InnerRecyclerViewAdapter extends RecyclerView.Adapter<InnerRecyclerViewAdapter.ViewHolder> {
private ArrayList<ChildCategory> child;
Context context;
int groupPosition;
String groupname;

public InnerRecyclerViewAdapter(Context context,ArrayList<ChildCategory> child) {
this.child = child;
this.context=context;
}

public class ViewHolder extends RecyclerView.ViewHolder {
TextView name;
CardView cardView;

public ViewHolder(View itemView) {
super(itemView);
name = itemView.findViewById(R.id.itemTextView);
cardView=itemView.findViewById(R.id.cardView);
}
public void setData(final ChildCategory childCategory){
name.setText(childCategory.getName());
}
}

@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.card_expand_item_view, parent, false);
InnerRecyclerViewAdapter.ViewHolder vh = new InnerRecyclerViewAdapter.ViewHolder(v);
return vh;
}

@Override
public void onBindViewHolder(ViewHolder holder, final int position) {
holder.setData(child.get(position));
}

@Override
public int getItemCount() {
return child.size();
}


}



where I am doing mistake.







android android-fragments expandablelistview expandablelistadapter






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 16 '18 at 13:52









Aniruddh Parihar

2,21911129




2,21911129










asked Nov 16 '18 at 12:56









ansar abbasansar abbas

148




148













  • You have shown your expected screen but pls also show the current screenshot. In addition, for the expandablelistview adapter, pls also show getChild(), getChildrenCount() methods. I haven't try recycler view but tried viewpager. This link: stackoverflow.com/questions/50288713/… Hope that helps!

    – I_A_Mok
    Nov 19 '18 at 3:16





















  • You have shown your expected screen but pls also show the current screenshot. In addition, for the expandablelistview adapter, pls also show getChild(), getChildrenCount() methods. I haven't try recycler view but tried viewpager. This link: stackoverflow.com/questions/50288713/… Hope that helps!

    – I_A_Mok
    Nov 19 '18 at 3:16



















You have shown your expected screen but pls also show the current screenshot. In addition, for the expandablelistview adapter, pls also show getChild(), getChildrenCount() methods. I haven't try recycler view but tried viewpager. This link: stackoverflow.com/questions/50288713/… Hope that helps!

– I_A_Mok
Nov 19 '18 at 3:16







You have shown your expected screen but pls also show the current screenshot. In addition, for the expandablelistview adapter, pls also show getChild(), getChildrenCount() methods. I haven't try recycler view but tried viewpager. This link: stackoverflow.com/questions/50288713/… Hope that helps!

– I_A_Mok
Nov 19 '18 at 3:16














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