Develop Reference

how to add search in recycler view with json object?

i want to make a filter search function to my jsonobject array in recyclerview
i tried the getfilter in my adapter and pass it to my add_detail
but it gives me force close when i type a text in my app_detail activity
heres my app_detail.java :
public class app_detail extends AppCompatActivity implements PemrogramanAdapter.OnItemClickListener {
TextView nametxt;
ImageView imageView,listimageview;
private RecyclerView mRecyclerView;
private List<Object> mRecyclerViewItems = new ArrayList<>();
private SearchView searchView;
PemrogramanAdapter pemrogramanAdapters;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_app_detail);
nametxt = (TextView) findViewById(R.id.list_app_text_detail);
imageView = (ImageView) findViewById(R.id.list_app_image_detail);
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
getSupportActionBar().setTitle("test");
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view1);
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
PemrogramanAdapter pemrogramanAdapter = new PemrogramanAdapter(this,mRecyclerViewItems);
mRecyclerView.setAdapter(pemrogramanAdapter);
pemrogramanAdapter.setmListener(app_detail.this);
tambahMenuItemDariJson();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main_menu,menu);
SearchManager searchManager = (SearchManager)getSystemService(Context.SEARCH_SERVICE);
searchView = (SearchView)menu.findItem(R.id.action_search).getActionView();
searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
searchView.setMaxWidth(Integer.MAX_VALUE);
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
#Override
public boolean onQueryTextSubmit(String s) {
pemrogramanAdapters.getFilter().filter(s);
return false;
}
#Override
public boolean onQueryTextChange(String s) {
pemrogramanAdapters.getFilter().filter(s);
return false;
}
});
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if(id == R.id.action_search)
return true;
if(id == android.R.id.home)
this.finish();
return super.onOptionsItemSelected(item);
}
#Override
public void onBackPressed() {
if(!searchView.isIconified())
{
searchView.setIconified(true);
return;
}
super.onBackPressed();
Animatoo.animateZoom(app_detail.this);
}
private void tambahMenuItemDariJson() {
try{
String jsonDataString = readJsonDataDariFile();
JSONArray menuItemsJsonArray = new JSONArray(jsonDataString);
for(int i = 0; i<menuItemsJsonArray.length(); ++i){
JSONObject menuItemObject =menuItemsJsonArray.getJSONObject(i);
String txt_id_app = menuItemObject.getString("id_app");
String txt_title = menuItemObject.getString("masalah");
String txt_id = menuItemObject.getString("id");
String txt_keterangan = menuItemObject.getString("ket");
String txt_langkah = menuItemObject.getString("langkah");
item item = new item(txt_id_app,txt_id,txt_title,txt_keterangan,txt_langkah);
mRecyclerViewItems.add(item);
}
} catch (IOException | JSONException exception){
Log.e(guidesoftware.class.getName(),"Tidak BISA BUKA FILE JSON!",exception);
}
}
private String readJsonDataDariFile() throws IOException {
InputStream inputStream = null;
StringBuilder builder = new StringBuilder();
//menentukan konten
Intent intent = this.getIntent();
int position = intent.getExtras().getInt("POS_KEY");
int jsonlocation = 0;
//kondisi per lokasi
if(position == 0){
jsonlocation = R.raw.pemrograman_octave;
}else if(position == 1){
jsonlocation = R.raw.pemrograman_netbeans;
}else if(position == 2){
jsonlocation = R.raw.pemrograman_devcpp;
}else if(position == 3){
jsonlocation = R.raw.pemrograman_notepad;
}
try {
String jsonDataString = null;
inputStream = getResources().openRawResource(jsonlocation);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream,"UTF-8"));
while ((jsonDataString = bufferedReader.readLine()) != null){
builder.append(jsonDataString);
}
}finally {
if(inputStream != null){
inputStream.close();
}
}
return new String(builder);
}
#Override
public void onItemSelected(int position) {
Intent detailIntent = new Intent(this,fortest.class);
item clickeditem = (item) mRecyclerViewItems.get(position);
detailIntent.putExtra(EXTRA_MASALAH,clickeditem.getMasalah());
detailIntent.putExtra(EXTRA_KETERANGAN,clickeditem.getKet());
detailIntent.putExtra(EXTRA_LANGKAH,clickeditem.getLangkah());
startActivity(detailIntent);
}}
and here is my pemrogramanAdapter.java :
public class PemrogramanAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements Filterable{
private static final int MENU_ITEM_VIEW_TYPE = 0;
private final Context context;
private final List<Object> recyclerViewItem;
private List<Object> filterrecyclerViewItem;
private OnItemClickListener mListener;
public PemrogramanAdapter(Context context, List<Object> recyclerViewItem) {
this.context = context;
this.recyclerViewItem = recyclerViewItem;
this.filterrecyclerViewItem = recyclerViewItem;
}
public void setmListener(OnItemClickListener mListener) {
this.mListener = mListener;
}
public class MenuItemViewHolder extends RecyclerView.ViewHolder{
public TextView txt_title,txt_keterangan;
public ImageView txt_image;
public MenuItemViewHolder(View view){
super(view);
txt_title = (TextView)view.findViewById(R.id.title);
txt_keterangan = (TextView)view.findViewById(R.id.isi);
txt_image = (ImageView)view.findViewById(R.id.avatar);
view.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (mListener != null){
int position = getAdapterPosition();
if(position != RecyclerView.NO_POSITION){
mListener.onItemSelected(position);
}
}
}
});
}
}
#Override
public int getItemCount() {
return recyclerViewItem.size();
}
#NonNull
#Override
public RecyclerView.ViewHolder onCreateViewHolder(#NonNull ViewGroup viewGroup, int i) {
switch (i){
case MENU_ITEM_VIEW_TYPE:
default:
View menuItemLayoutView = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.item_layout,viewGroup,false);
return new MenuItemViewHolder(menuItemLayoutView);
}
}
#Override
public void onBindViewHolder(#NonNull RecyclerView.ViewHolder holder, int position) {
int viewType = getItemViewType(position);
switch (viewType){
case MENU_ITEM_VIEW_TYPE:
default:
MenuItemViewHolder menuItemViewHolder = (MenuItemViewHolder) holder;
item menuItem = (item) recyclerViewItem.get(position);
menuItemViewHolder.txt_title.setText(menuItem.getMasalah());
menuItemViewHolder.txt_keterangan.setText(menuItem.getKet());
menuItemViewHolder.txt_image.setImageResource(R.drawable.pemrog_netbeans);
}
}
public interface OnItemClickListener{
void onItemSelected (int position);
}
#Override
public Filter getFilter() {
return new Filter() {
#Override
protected FilterResults performFiltering(CharSequence charSequence) {
String searchString = charSequence.toString();
if(searchString.isEmpty())
filterrecyclerViewItem = recyclerViewItem; //for se kembalikan item yg di search ke semula
else{
List<Object> resultList = new ArrayList<>();
for(Object data : recyclerViewItem)
{
item item = new item();
if(item.getMasalah().toLowerCase().contains(searchString.toLowerCase() ))
resultList.add(item);
}
filterrecyclerViewItem = resultList;
}
FilterResults filterResults = new FilterResults();
filterResults.values = filterResults;
return filterResults;
}
#Override
protected void publishResults(CharSequence constraint, FilterResults filterResults) {
filterrecyclerViewItem = (ArrayList<Object>)filterResults.values;
notifyDataSetChanged();
}
};
}
}
i want to make the filter search works on my jsonObject in app_detail.java

To pass only incremented value to listview on nextpage

I am able to send data on listview in nextpage.But problem is that items with quantity 0 is also passed.I want to show items whose quantity is incremented and not all items present in listview.Here is my code-
MainActivity.java
public class MainActivity extends Activity implements SearchView.OnQueryTextListener{
Button show;
ListView list_item;
ArrayList<Items> itemsArrayList;
SearchView searchview;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
list_item = (ListView) findViewById(R.id.listdetails);
searchview=(SearchView)findViewById(R.id.searchView);
show = (Button) findViewById(R.id.btnview);
itemsArrayList=new ArrayList<>();
itemsArrayList.add(new Items(1,"Book",20,0,0));
itemsArrayList.add(new Items(2,"Pen",25,0,0));
itemsArrayList.add(new Items(3,"Scale",10,0,0));
itemsArrayList.add(new Items(4,"Eraser",5,0,0));
show.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, Trial.class);
intent.putExtra("data", itemsArrayList);
startActivity(intent);
}
});
Custom c = new Custom(this,itemsArrayList);
list_item.setAdapter(c);
list_item.setTextFilterEnabled(true);
setupSearchView();
}
public void setupSearchView()
{
searchview.setOnQueryTextListener(this);
searchview.setQueryHint("Search Here");
}
#Override
public boolean onQueryTextSubmit(String s) {
return false;
}
#Override
public boolean onQueryTextChange(String s) {
if (TextUtils.isEmpty(s)) {
list_item.clearTextFilter();
} else {
list_item.setFilterText(s);
}
return true;
}
}
Custom.java
public class Custom extends BaseAdapter implements Filterable{
Activity a;
ArrayList<Items> itemsArrayList;
ArrayList<Items> filtered;
public Custom(Activity a, ArrayList<Items> itemsArrayList) {
this.a = a;
this.itemsArrayList = itemsArrayList;
}
#Override
public int getCount() {
return itemsArrayList.size();
}
#Override
public Object getItem(int i) {
return itemsArrayList.get(i);
}
#Override
public long getItemId(int i) {
return i;
}
#Override
public Filter getFilter() {
return new Filter() {
#Override
protected FilterResults performFiltering(CharSequence charSequence) {
FilterResults results=new FilterResults();
ArrayList<Items> data=new ArrayList<Items>();
if (filtered==null)
filtered=itemsArrayList;
if (filtered != null && filtered.size() > 0) {
for (final Items g : filtered) {
if (g.getItemname().toLowerCase()
.contains(charSequence.toString()))
data.add(g);
}
results.values=data;
}
return results;
}
#Override
protected void publishResults(CharSequence charSequence, FilterResults filterResults) {
itemsArrayList=(ArrayList<Items>)filterResults.values;
notifyDataSetChanged();
}
};
}
public void notifyDataSetChanged() {
super.notifyDataSetChanged();
}
public class Holder{
TextView sr,item,qty,price,pl,min,rate;
}
#Override
public View getView(final int position, final View view, ViewGroup viewGroup) {
final Holder holder=new Holder();
LayoutInflater li=a.getLayoutInflater();
final View view1=li.inflate(R.layout.customlist,viewGroup,false);
holder.sr=(TextView)view1.findViewById(R.id.s_no);
holder.item=(TextView)view1.findViewById(R.id.i_name);
holder.qty=(TextView)view1.findViewById(R.id.qty);
holder.price=(TextView)view1.findViewById(R.id.pr);
holder.rate=(TextView)view1.findViewById(R.id.frate);
holder.pl=(TextView) view1.findViewById(R.id.pl);
holder.min=(TextView) view1.findViewById(R.id.min);
final Items model = itemsArrayList.get(position);
holder.sr.setText(String.valueOf(itemsArrayList.get(position).getSrno()));
holder.item.setText(String.valueOf(itemsArrayList.get(position).getItemname()));
holder.rate.setText(String .valueOf(itemsArrayList.get(position).getFixedrate()));
holder.qty.setText(String.valueOf(itemsArrayList.get(position).getQuantity()));
holder.price.setText(String .valueOf(itemsArrayList.get(position).getRate()));
holder.pl.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
model.setQuantity(model.getQuantity() + 1);
model.setRate(model.getQuantity()*model.getFixedrate());
holder.qty.setText(String.valueOf(model.getQuantity()));
holder.price.setText(String.valueOf(model.getRate()));
notifyDataSetChanged();
}
});
holder.min.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
if(model.getQuantity()>0) {
model.setQuantity(model.getQuantity() - 1);
model.setRate(model.getQuantity() * model.getFixedrate());
holder.qty.setText(String.valueOf(model.getQuantity()));
holder.price.setText(String.valueOf(model.getRate()));
notifyDataSetChanged();
}
}
});
return view1;
}
}
Items.java
public class Items implements Serializable {
int srno,fixedrate,quantity,rate;
String itemname;
public Items(int srno, String itemname, int fixedrate, int quantity, int rate) {
this.srno = srno;
this.itemname = itemname;
this.fixedrate = fixedrate;
this.quantity = quantity;
this.rate = rate;
}
public int getSrno() {
return srno;
}
public void setSrno(int srno) {
this.srno = srno;
}
public String getItemname() {
return itemname;
}
public void setItemname(String itemname) {
this.itemname = itemname;
}
public int getFixedrate() {
return fixedrate;
}
public void setFixedrate(int fixedrate) {
this.fixedrate = fixedrate;
}
public int getQuantity() {
return quantity;
}
public void setQuantity(int quantity) {
this.quantity = quantity;
}
public int getRate() {
return rate;
}
public void setRate(int rate) {
this.rate = rate;
}
}
Custom_Trial.java
public class Custom_Trial extends BaseAdapter {
Activity a;
private ArrayList<Items> data = new ArrayList<>();
public Custom_Trial(Activity a, ArrayList<Items> data) {
this.a = a;
this.data = data;
}
#Override
public int getCount() {
return data.size();
}
#Override
public Object getItem(int position) {
return data.get(position);
}
#Override
public long getItemId(int position) {
return position;
}
public class Holder {
TextView sr, it, qty, amt;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
Holder holder = new Holder();
LayoutInflater li = a.getLayoutInflater();
View view = li.inflate(R.layout.customtrial, parent, false);
holder.sr = (TextView) view.findViewById(R.id.head1);
holder.it = (TextView) view.findViewById(R.id.head2);
holder.qty = (TextView) view.findViewById(R.id.head3);
holder.amt = (TextView) view.findViewById(R.id.head4);
Items m = data.get(position);
holder.sr.setText(String.valueOf(m.getSrno()));
holder.it.setText(m.getItemname());
holder.qty.setText(String.valueOf(m.getQuantity()));
holder.amt.setText(String.valueOf(m.getRate()));
return view;
}
}
Trial.java
public class Trial extends Activity{
ListView listnew;
private ArrayList<Items> data = new ArrayList<>();
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.trial);
listnew = (ListView) findViewById(R.id.newlist);
data.addAll((ArrayList<Items>) getIntent().getSerializableExtra("data"));
Custom_Trial ct = new Custom_Trial(this,data);
listnew.setAdapter(ct);
}
}

It's because you passing original list. You're updating values inside adapter and passing not updated list fromadapter, but original. Write method inside adapter to return your updated list.
Inside Custom.java adapter:
public ArrayList<Items> getItems(){
ArrayList<Items> quantityArrayList;
Items item;
for (int i = 0; i < itemsArrayList.size(); i++){
item = itemsArrayList.get(i);
if (item.getQuantity() > 0)
quantityArrayList.add(item);
}
return quantityArrayList;
}
And inside MainActivity onCreate() should look like this. After clicking show button you're going to get Items from Custom Adapter whose quantity >0.
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
list_item = (ListView) findViewById(R.id.listdetails);
searchview=(SearchView)findViewById(R.id.searchView);
show = (Button) findViewById(R.id.btnview);
itemsArrayList=new ArrayList<>();
itemsArrayList.add(new Items(1,"Book",20,0,0));
itemsArrayList.add(new Items(2,"Pen",25,0,0));
itemsArrayList.add(new Items(3,"Scale",10,0,0));
itemsArrayList.add(new Items(4,"Eraser",5,0,0));
Custom c = new Custom(this,itemsArrayList);
list_item.setAdapter(c);
list_item.setTextFilterEnabled(true);
setupSearchView();
show.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, Trial.class);
List<Items> quantityList = c.getItems();
intent.putExtra("data", quantityList);
startActivity(intent);
}
});
}

Android List View Custom Adapter with Checkbox multiple selection and Search Listview

I Have implemented the ListView with Custom Adopter class and Multiple check box selection . Its working fine . After that I have given search the name in ListView. If I checked row item then I search the name in search , Search positioned was changed . Kindly help me to fix this.
Model Class
public class FullUser {
String name=null;
String id=null;
boolean checked;
public FullUser(String name, String id,boolean checked){
this.name=name;
this.id = id;
this.checked = checked;
}
public String getName(){
return this.name;
}
public void setName(String name){
this.name = name;
}
public String getId(){
return this.id;
}
public void setId(String id){
this.id = id;
}
public Boolean getChecked(){
return this.checked;
}
public void setChecked(Boolean checked){
this.checked = checked;
}
#Override
public String toString() {
return this.name;
}
}
Adapter Class
public class FullUserAdapter extends ArrayAdapter<FullUser> {
private ArrayList<FullUser> originalList;
private ArrayList<FullUser> fullUsers;
private SubjectFilter filter;
public FullUserAdapter(Context context, int resource, ArrayList<FullUser> fullUsers) {
super(context, resource, fullUsers);
this.fullUsers = new ArrayList<FullUser>();
this.fullUsers.addAll(fullUsers);
this.originalList = new ArrayList<FullUser>();
this.originalList.addAll(fullUsers);
}
#Override
public int getCount() {
return fullUsers.size();
}
#Override
public FullUser getItem(int position) {
return fullUsers.get(position);
}
#Override
public long getItemId(int position) {
return position;
}
#Override
public Filter getFilter() {
if (filter == null){
filter = new SubjectFilter();
}
return filter;
}
#Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
Log.v("UserConvertView", String.valueOf(position));
View row;
if (convertView == null) {
row = LayoutInflater.from(getContext()).inflate(R.layout.list_row_with_checkbox, parent, false);
}else{
row = convertView;
}
holder = new ViewHolder();
holder.name_view = (TextView) row.findViewById(R.id.nameText);
holder.firstchar_view = (TextView) row.findViewById(R.id.first_char);
holder.groupid = (TextView) row.findViewById(R.id.rowid);
holder.checkBox =(CheckBox) row.findViewById(R.id.cbBox);
final FullUser group =getItem(position);
holder.groupid.setText(group.getId());
//holder.checkBox.setChecked(checkedHolder[position]);
String communityname_text = group.getName();
holder.name_view.setText(group.getName());
String firstchar = communityname_text.substring(0, 1);
holder.firstchar_view.setText(firstchar);
holder.checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked == true)
group.setChecked(true);
else
group.setChecked(false);
}
});
row.setTag(holder);
return row;
}
private class SubjectFilter extends Filter
{
#Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults result = new FilterResults();
if(constraint != null && constraint.toString().length() > 0)
{
constraint = constraint.toString().toLowerCase();
ArrayList<FullUser> filteredItems = new ArrayList<FullUser>();
for(int i = 0, l = fullUsers.size(); i < l; i++)
{
FullUser group = fullUsers.get(i);
if(group.toString().toLowerCase().contains(constraint)) {
FullUser grouplistss = new FullUser(group.getName(),group.id,group.getChecked());
filteredItems.add(grouplistss);
}
}
result.count = filteredItems.size();
result.values = filteredItems;
}
else
{
synchronized(this)
{
result.values = originalList;
result.count = originalList.size();
}
}
return result;
}
#SuppressWarnings("unchecked")
#Override
protected void publishResults(CharSequence constraint,Filter.FilterResults results) {
if(results.count > 0) {
fullUsers = (ArrayList<FullUser>)results.values;
notifyDataSetChanged();
clear();
for(int i = 0, l = fullUsers.size(); i < l; i++)
add(fullUsers.get(i));
} else {
notifyDataSetInvalidated();
}
}
}
private class ViewHolder {
TextView name_view;
TextView firstchar_view;
TextView groupid;
CheckBox checkBox;
}
}
Thanks in advance.

#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(isChecked){
group.setChecked(true);
int pos = originalList.indexOf(group)
originalList.get(pos).setChecked(true);
fullUsers.get(position).setChecked(true);
}else{
group.setChecked(false);
int pos = originalList.indexOf(group)
originalList.get(pos).setChecked(true);
fullUsers.get(position).setChecked(false);
}
}

update your adapter use SparseBooleanArray
public class FullUserAdapter extends ArrayAdapter<FullUser> {
private ArrayList<FullUser> originalList;
private ArrayList<FullUser> fullUsers;
private SubjectFilter filter;
SparseBooleanArray booleanArray ;
public FullUserAdapter(Context context, int resource, ArrayList<FullUser> fullUsers) {
super(context, resource, fullUsers);
this.fullUsers = new ArrayList<FullUser>();
this.fullUsers.addAll(fullUsers);
this.originalList = new ArrayList<FullUser>();
this.originalList.addAll(fullUsers);
booleanArray = new SparseBooleanArray();
}
#Override
public View getView(final int position, View convertView, ViewGroup parent) {
.
.
.
final FullUser group =getItem(position);
holder.groupid.setText(group.getId());
holder.checkBox.setOnCheckedChangeListener(null);
holder.checkBox.setChecked(booleanArray.get(group.getId().hashCode(),false));
holder.checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
booleanArray.put(group.getId().hashCode(), isChecked);
}
});
.
.
.
return row;
}
public ArrayList<FullUser> getSelectedItems() {
ArrayList<FullUser> list = new ArrayList<>();
for(FullUser group:fullUsers){
if(booleanArray.get(group.getId().hashCode(), false)){
list.add(group);
}
}
return list;
};
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".dashboard.VoterListActivity">
<ProgressBar
android:id="#+id/reqprogressbar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:visibility="gone" />
<ListView
android:id="#+id/voter_lv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="#+id/btn_show_me"
android:divider="#null"/>
<Button
android:id="#+id/btn_show_me"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginBottom="5dp"
android:background="#drawable/n_btn"
android:text="#string/add_family_numbers"
android:visibility="gone"
android:textColor="#ffffff"
android:textSize="20sp" />
</RelativeLayout>
Java Code
public Class Actvity extends AppCompatActivity {
ProgressBar progressBar;
ListView listView;
VoterDao voterDao;
String Token, Userid, Appid, Deviceid;
MenuItem searchview;
VoterListAdapter adapter;
String pid;
VoterDatum friend;
String value;
CheckBox mCheckBox;
Button btn_show_me;
ArrayList<VoterDatum> friends;
ListView1Adapter adapter1;
VoterDatum Model;
StringBuilder stringBuilder;
String name;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_voter_list);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setTitle(R.string.voter_list);
stringBuilder = new StringBuilder();
Token = Util.getStringFromSP(this, "token");
Userid = Util.getStringFromSP(this, "user_id");
Appid = Util.getStringFromSP(this, "app_id");
Deviceid = Util.getStringFromSP(this, "device_id");
initViews();
getVoterData();
btn_show_me.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
int i = 0;
if (friends.size() == i) { //do nothing
}
while (friends.size() > i) {
int count = friends.size();
Model = friends.get(i);
if (Model.isChecked()) {
Log.i("ListActivity", "here" + friends.get(i).getCitizenId());
stringBuilder.append("," + friends.get(i).getCitizenId());
name = stringBuilder.toString();
String joinedString = Model.getCitizenId().toString();
Log.d("ls", "" + name);
name = name.substring(1);
Log.d("fs", name);
sendToServer();
}
i++; // rise i
}
}
});
}
private void sendToServer() {
Intent intent = new Intent(VoterListActivity.this, AddFamilyNuberByVoterList.class);
intent.putParcelableArrayListExtra("CheckedList", friends);
startActivity(intent);
finish();
}
private void getVoterData() {
if (Util.isNetworkAvailable(this)) {
progressBar.setVisibility(View.VISIBLE);
SendRequestToServer();
} else {
progressBar.setVisibility(View.GONE);
Snackbar.make(listView, R.string.no_connection, Snackbar.LENGTH_SHORT).show();
return;
}
}
private void SendRequestToServer() {
try {
RegistrationApi api = ServiceGenerator.createService(RegistrationApi.class);
retrofit2.Call<VoterDao> call = api.togetVoters(Userid, Token, Appid, Deviceid);
call.enqueue(new Callback<VoterDao>() {
#Override
public void onResponse(Call<VoterDao> call, Response<VoterDao> response) {
if (response.isSuccessful()) {
voterDao = response.body();
if (voterDao.getAddData().getStatus().equals(1)) {
searchview.setVisible(true);
progressBar.setVisibility(View.GONE);
friends = (ArrayList<VoterDatum>) voterDao.getAddData().getData();
adapter1 = new ListView1Adapter(getApplicationContext(), R.layout.list_voter, friends);
listView.setAdapter(adapter1);
btn_show_me.setVisibility(View.VISIBLE);
} else {
searchview.setVisible(false);
progressBar.setVisibility(View.GONE);
Snackbar.make(listView, R.string.no_data_found, Snackbar.LENGTH_SHORT).show();
}
} else {
searchview.setVisible(false);
progressBar.setVisibility(View.GONE);
Snackbar.make(listView, R.string.no_data_found + response.message(), Snackbar.LENGTH_SHORT).show();
}
}
#Override
public void onFailure(Call<VoterDao> call, Throwable t) {
try {
searchview.setVisible(false);
progressBar.setVisibility(View.GONE);
Snackbar.make(listView, "" + t.getMessage(), Snackbar.LENGTH_SHORT).show();
Log.d("message", "" + t.getMessage());
System.out.println("onFAilureExecute" + t.getMessage());
if (t != null)
t.printStackTrace();
} catch (Throwable th) {
th.printStackTrace();
}
}
});
} catch (Exception e) {
e.printStackTrace();
}
}
private void initViews() {
progressBar = findViewById(R.id.reqprogressbar);
listView = findViewById(R.id.voter_lv);
btn_show_me = findViewById(R.id.btn_show_me);
}
#Override
public boolean onSupportNavigateUp() {
startActivity(new Intent(getApplicationContext(), DashboardActivity.class));
finish();
overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
return true;
}
#Override
public void onBackPressed() {
startActivity(new Intent(getApplicationContext(), DashboardActivity.class));
finish();
overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
searchview = menu.findItem(R.id.action_search);
final SearchView searchViewAndroidActionBar = (SearchView) MenuItemCompat.getActionView(searchview);
searchViewAndroidActionBar.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
#Override
public boolean onQueryTextSubmit(String query) {
return true;
}
#Override
public boolean onQueryTextChange(String newText) {
adapter1.getFilter().filter(newText);
return false;
}
});
View closeButton = searchViewAndroidActionBar.findViewById(android.support.v7.appcompat.R.id.search_close_btn);
closeButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//handle click
searchViewAndroidActionBar.setIconified(true);
}
});
return super.onCreateOptionsMenu(menu);
}
#Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(LocalHelper.onAttach(base));
}
private class ListView1Adapter extends BaseAdapter {
ListView1Adapter.ViewHolder holder;
private Context activity;
private ArrayList<VoterDatum> Friends;
private ArrayList<VoterDatum> mList;
private final String TAG = ListViewAdapter.class.getSimpleName();
boolean[] checkedItems;
public ListView1Adapter(Context applicationContext, int list_voter, ArrayList<VoterDatum> list) {
this.activity = applicationContext;
this.Friends = list;
this.mList = list;
Log.i(TAG, "init adapter");
checkedItems = new boolean[mList.size()];
}
#Override
public int getCount() {
return mList.size();
}
#Override
public Object getItem(int position) {
return mList.get(position);
}
#Override
public long getItemId(int position) {
return position;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
holder = null;
final int pos = position;
// inflate layout from xml
LayoutInflater inflater = (LayoutInflater) activity
.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
// If holder not exist then locate all view from UI file.
if (convertView == null) {
// inflate UI from XML file
convertView = inflater.inflate(R.layout.list_voter, parent, false);
// get all UI view
holder = new ListView1Adapter.ViewHolder(convertView);
// set tag for holder
convertView.setTag(holder);
} else {
// if holder created, get tag from view
holder = (ListView1Adapter.ViewHolder) convertView.getTag();
}
friend = mList.get(position);
String nameS = friend.getFirstname() + " " + friend.getLastname();
String namesS = friend.getVoterId();
String lname = friend.getLfname() + " " + friend.getLlastname();
//set Friend data to views
String Photo = friend.getPhoto();
if (Photo.isEmpty() || Photo == null) {
holder.image.setImageResource(R.mipmap.ic_launcher);
} else {
Picasso.with(activity).load(Photo).transform(new CircleTransform()).into(holder.image);
}
holder.name.setText(nameS);
holder.lanname.setText(lname);
holder.voterid_tv.setText(namesS);
holder.check.setChecked(friend.isChecked());
holder.check.setTag(friend);
holder.check.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
CheckBox cb = (CheckBox) v;
VoterDatum itemobj = (VoterDatum) cb.getTag();
if (mList.get(Integer.valueOf(pos)).isChecked()) {
cb.setSelected(false);
mList.get(Integer.valueOf(pos)).setIsChecked(false);
notifyDataSetChanged();
} else {
cb.setSelected(true);
mList.get(Integer.valueOf(pos)).setIsChecked(true);
notifyDataSetChanged();
}
}
});
return convertView;
}
private class ViewHolder {
private ImageView image;
private TextView name, lanname, voterid_tv;
private CheckBox check;
public ViewHolder(View v) {
image = v.findViewById(R.id.profile_iv);
name = (TextView) v.findViewById(R.id.name_tv);
lanname = (TextView) v.findViewById(R.id.desig_tv);
voterid_tv = (TextView) v.findViewById(R.id.voterid_tv);
check = (CheckBox) v.findViewById(R.id.chkEnable);
}
}
public Filter getFilter() {
return new Filter() {
#Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults results = new FilterResults();
ArrayList<VoterDatum> filteredResults = null;
if (constraint.length() == 0) {
filteredResults = Friends;
} else {
filteredResults = (ArrayList<VoterDatum>) getFilteredResults(constraint.toString().toLowerCase());
}
results.values = filteredResults;
return results;
}
#Override
protected void publishResults(CharSequence charSequence, FilterResults results) {
mList = (ArrayList<VoterDatum>) results.values;
notifyDataSetChanged();
}
};
}
protected List<VoterDatum> getFilteredResults(String s) {
ArrayList<VoterDatum> results = new ArrayList<>();
for (VoterDatum item : Friends) {
String TotalSearch = item.getFirstname() + " " + item.getLastname();
if (TotalSearch.toLowerCase().contains(s) || item.getVoterId().toLowerCase().contains(s)) {
results.add(item);
}
}
return results;
}
public ArrayList<VoterDatum> getAllData() {
return mList;
}
}
}
Model Class
public class VoterDatum implements Parcelable {
#SerializedName("citizen_id")
#Expose
private String citizenId;
private boolean isChecked;
public static final Parcelable.Creator<VoterDatum> CREATOR = new Parcelable.Creator<VoterDatum>() {
public VoterDatum createFromParcel(Parcel in) {
return new VoterDatum(in);
}
public VoterDatum[] newArray(int size) {
return new VoterDatum[size];
}
};
public VoterDatum(Parcel in) {
this.citizenId = in.readString();
this.isChecked = in.readByte() != 0;
}
#Override
public int describeContents() {
return 0;
}
#Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(this.citizenId);
dest.writeByte((byte) (this.isChecked ? 1 : 0));
}
public VoterDatum(String citizenId, boolean gender) {
this.citizenId = citizenId;
this.isChecked = false; // not selected when create
}
#SerializedName("status")
#Expose
private String status;
#SerializedName("firstname")
#Expose
private String firstname;
#SerializedName("lastname")
public boolean isChecked() {
return isChecked;
}
public void setIsChecked(boolean isChecked) {
this.isChecked = isChecked;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getCitizenId() {
return citizenId;
}
public void setCitizenId(String citizenId) {
this.citizenId = citizenId;
}
public String getFirstname() {
return firstname;
}
public void setFirstname(String firstname) {
this.firstname = firstname;
}
public String getLastname() {
return lastname;
}
public void setLastname(String lastname) {
this.lastname = lastname;
}
public String getLfname() {
return lfname;
}
public void setLfname(String lfname) {
this.lfname = lfname;
}
}
Get Data From Other Class
public class ACtivity extends AppCompatActivity implements View.OnClickListener {
String Mvoterid;
GPSTracker gps;
String Token, Userid, Deviceid, Appid, Language;
Button submit_btn;
ProgressBar progressBar;
AddFamilynumberbyvoterDao addFamilynumberbyvoterDao;
// ArrayList<VoterDatum> checkedList;
List<VoterDatum> checkedList;
LinearLayout container;
VoterDatum Model;
ListView list_item;
String join;
int position;
String userName;
String name;
StringBuilder stringBuilder;
#RequiresApi(api = Build.VERSION_CODES.O)
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_add_family_nuber_by_voter_list);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setTitle(R.string.add_family_numbers);
VoterID = getIntent().getStringExtra("voterIDs");
stringBuilder= new StringBuilder();
checkedList = new ArrayList<VoterDatum>(); // initializing list
container = (LinearLayout) findViewById(R.id.layout);
getLocation();
initViews();
initListeners();
getDataFromIntent();
generateDataToContainerLayout();
}
#RequiresApi(api = Build.VERSION_CODES.O)
#SuppressLint("InflateParams")
private void generateDataToContainerLayout() {
int i = 0;
if (checkedList.size() == i) { //do nothing
}
while (checkedList.size() > i) {
int count = checkedList.size();
Model = checkedList.get(i);
if (Model.isChecked()) {
Log.i("ListActivity", "here" + checkedList.get(i).getCitizenId());
stringBuilder.append(","+checkedList.get(i).getCitizenId());
name=stringBuilder.toString();
String joinedString = Model.getCitizenId().toString();
Log.d("ls", "" + name);
name=name.substring(1);
Log.d("fs",name);
}
i++; // rise i
}
}
private void getDataFromIntent() {
checkedList = getIntent().getParcelableArrayListExtra("CheckedList");
}

Filterable adapter not updates listview

I am trying to create search view with popup list with custom adapter. I have filterable interface and my adapter filters,but the filtered list shows incorrect items. Is it any thing I am missing in my code?
TeamsAdapter.java
public class TeamsAdapter extends BaseAdapter implements Filterable{
private ArrayList<Team> teamsArrayList;
private Context context;
private ArrayList<Team> filteredData;
TeamsFilter mFilter = new TeamsFilter();
public TeamsAdapter(Context context, ArrayList<Team> teamsArrayList) {
this.context = context;
this.teamsArrayList = teamsArrayList;
this.filteredData = teamsArrayList;
}
#Override
public int getCount() {
if(filteredData == null){
return 0;
}
return filteredData.size();
}
#Override
public Team getItem(int position) {
return filteredData.get(position);
}
#Override
public long getItemId(int position) {
return filteredData.get(position).getId();
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder;
if(convertView == null){
viewHolder = new ViewHolder();
LayoutInflater layoutInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = layoutInflater.inflate(R.layout.team_list_item, parent, false);
viewHolder.teamNameTextView = (TextView) convertView.findViewById(R.id.team_name_textview);
convertView.setTag(viewHolder);
}
else {
viewHolder = (ViewHolder) convertView.getTag();
}
viewHolder.teamNameTextView.setText(teamsArrayList.get(position).getTeamName());
return convertView;
}
#Override
public Filter getFilter() {
return mFilter;
}
private static class ViewHolder {
private TextView teamNameTextView;
}
private class TeamsFilter extends Filter{
#Override
protected FilterResults performFiltering(CharSequence charSequence) {
String filterString = charSequence.toString().toLowerCase();
ArrayList<Team> newList = new ArrayList<>();
FilterResults filterResults = new FilterResults();
if(teamsArrayList == null || teamsArrayList.size() <= 0){
filterResults.values = teamsArrayList;
filterResults.count = teamsArrayList.size();
}
int originalListCount = teamsArrayList.size();
for (int i = 0; i < originalListCount; i++) {
if(teamsArrayList.get(i).getTeamName().contains(filterString)){
newList.add(new Team(teamsArrayList.get(i).getId(),teamsArrayList.get(i).getTeamName()));
}
}
filterResults.values = newList;
filterResults.count = newList.size();
return filterResults;
}
#Override
protected void publishResults(CharSequence charSequence, FilterResults filterResults) {
filteredData = (ArrayList<Team>) filterResults.values;
notifyDataSetChanged();
}
}
}
SpinnerFragment.java
public class SpinnerFragment extends Fragment {
/*private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
private String mParam1;
private String mParam2;*/
private OnFragmentInteractionListener mListener;
private View rootView;
private SearchView teamsSearchView;
private PopupWindow popupMessage;
private ArrayAdapter<String> adapter;
public SpinnerFragment() {
// Required empty public constructor
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* #param param1 Parameter 1.
* #param param2 Parameter 2.
* #return A new instance of fragment SpinnerFragment.
*/
public static SpinnerFragment newInstance(String param1, String param2) {
SpinnerFragment fragment = new SpinnerFragment();
/*Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);*/
return fragment;
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/*if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}*/
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
rootView = inflater.inflate(R.layout.fragment_spinner, container, false);
TextView textView = new TextView(getActivity());
textView.setText("Testing");
View popup_layout = inflater.inflate(R.layout.popup_layout,container,false);
ListView teamsListView = (ListView) popup_layout.findViewById(R.id.teams_list_view);
ArrayList<Team> teamsArrayList = new ArrayList<Team>();
teamsArrayList.add(new Team(1,"Sharks"));
teamsArrayList.add(new Team(2,"Android"));
teamsArrayList.add(new Team(3,"Google"));
teamsArrayList.add(new Team(4,"Yahoo"));
teamsArrayList.add(new Team(5,"Facebook"));
teamsArrayList.add(new Team(6,"Twitter"));
teamsArrayList.add(new Team(7,"Apple"));
teamsArrayList.add(new Team(8,"Amazon"));
teamsArrayList.add(new Team(9,"Udacity"));
teamsArrayList.add(new Team(10,"Bosch"));
//adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_dropdown_item_1line,sortList);
final TeamsAdapter teamsAdapter = new TeamsAdapter(getActivity(), teamsArrayList);
teamsListView.setAdapter(teamsAdapter);
popupMessage = new PopupWindow(popup_layout, ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.WRAP_CONTENT);
//popupMessage.setContentView(textView);
teamsSearchView = (SearchView) rootView.findViewById(R.id.teams_search_view);
teamsSearchView.setQueryHint("Select Team/s");
teamsSearchView.setOnQueryTextFocusChangeListener(new View.OnFocusChangeListener() {
#Override
public void onFocusChange(View view, boolean hasFocus) {
Toast.makeText(getActivity(), String.valueOf(hasFocus),
Toast.LENGTH_SHORT).show();
}
});
teamsSearchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
#Override
public boolean onQueryTextSubmit(String query) {
Toast.makeText(getActivity(), query,
Toast.LENGTH_SHORT).show();
return true;
}
#Override
public boolean onQueryTextChange(String newText) {
Toast.makeText(getActivity(), "newText=>"+newText,
Toast.LENGTH_SHORT).show();
if(newText.isEmpty()){
popupMessage.dismiss();
return false;
}
//popupMessage.dismiss();
if(!popupMessage.isShowing()){
popupMessage.showAsDropDown(teamsSearchView);
}
teamsAdapter.getFilter().filter(newText);
/*teamsAdapter.getFilter().filter(newText, new Filter.FilterListener() {
#Override
public void onFilterComplete(int i) {
teamsAdapter.notifyDataSetChanged();
}
});*/
return true;
}
});
return rootView;
}
#Override
public void onAttach(Context context) {
super.onAttach(context);
if (context instanceof OnFragmentInteractionListener) {
mListener = (OnFragmentInteractionListener) context;
} else {
throw new RuntimeException(context.toString()
+ " must implement OnFragmentInteractionListener");
}
}
#Override
public void onDetach() {
super.onDetach();
mListener = null;
}
public interface OnFragmentInteractionListener {
void onFragmentInteraction();
}
}

Simply call the adapter's Filter object and pass an empty string *.getFilter().filter("") to force a filter after every operation
Deeply explained here

To Solve this issue:
Use following code in Adapter getView(),
viewHolder.teamNameTextView.setText(getItem(position).getTeamName());
instead of
viewHolder.teamNameTextView.setText(teamsArrayList.get(position).getTeamName());
Also,
if(teamsArrayList.get(i).getTeamName().toLowerCase().contains(filterString))
instead of,
if(teamsArrayList.get(i).getTeamName().contains(filterString))

android recycler view two list are showing above each other

http://i.stack.imgur.com/HZ3v6.png
this is the picture of the recycler view
i dont understand what might be causing this problem. so please guys can you give a probablity of what might be the reason.
Thanks in Advance.
public class ProductAdaptor extends RecyclerView.Adapter<ProductAdaptor.ProductViewHolder> {
//implements Filterable {
private final LayoutInflater inflator;
private final List<ProductInfo> products;
private Context context;
private ProductAdapterListener listener;
ImageLoader imageLoader = VolleySingleton.getInstance().getImageLoader();
//private List<ProductInfo> BackupProducts= Collections.emptyList();
ProductInfo current;
public ProductAdaptor(Context context, List<ProductInfo> data, ProductAdapterListener listener) {
inflator = LayoutInflater.from(context);
products = data;
this.context = context;
this.listener = listener;
//BackupProducts=data;
}
#Override
public ProductAdaptor.ProductViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = inflator.inflate(R.layout.custom_product, parent, false);
ProductViewHolder holder = new ProductViewHolder(view);
return holder;
}
#Override
public void onBindViewHolder(final ProductAdaptor.ProductViewHolder holder, final int position) {
current = products.get(position);
holder.title.setText(current.getName());
holder.icon.setImageUrl(current.getImage(), imageLoader);
holder.price.setText("Price: Rs. " + current.getPrice());
holder.description.setText(current.getDescription());
holder.add_Cart.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
products.get(position).setQuantity(Integer.parseInt(holder.etQuantity.getText().toString()));
listener.onAddToCartPressed(products.get(position));
}
});
holder.itemView.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Log.d("Reading Position", "" + current.getId());
Intent base = new Intent(context, Products.class);
base.putExtra("product_id", Integer.parseInt(products.get(position).getId()));
base.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
context.startActivity(base);
}
});
}
public void setData(List<ProductInfo> list) {
products.clear();
products.addAll(list);
notifyDataSetChanged();
}
/*
public void flushFilter(){
products.clear();
products.addAll(BackupProducts);
notifyDataSetChanged();
}*/
public void animateTo(List<ProductInfo> models) {
applyAndAnimateRemovals(models);
applyAndAnimateAdditions(models);
applyAndAnimateMovedItems(models);
}
private void applyAndAnimateRemovals(List<ProductInfo> newModels) {
for (int i = products.size() - 1; i >= 0; i--) {
final ProductInfo model = products.get(i);
if (!newModels.contains(model)) {
removeItem(i);
}
}
}
private void applyAndAnimateAdditions(List<ProductInfo> newModels) {
for (int i = 0, count = newModels.size(); i < count; i++) {
final ProductInfo model = newModels.get(i);
if (!products.contains(model)) {
addItem(i, model);
}
}
}
private void applyAndAnimateMovedItems(List<ProductInfo> newModels) {
for (int toPosition = newModels.size() - 1; toPosition >= 0; toPosition--) {
final ProductInfo model = newModels.get(toPosition);
final int fromPosition = products.indexOf(model);
if (fromPosition >= 0 && fromPosition != toPosition) {
moveItem(fromPosition, toPosition);
}
}
}
public ProductInfo removeItem(int position) {
final ProductInfo model = products.remove(position);
notifyItemRemoved(position);
return model;
}
public void addItem(int position, ProductInfo model) {
products.add(position, model);
notifyItemInserted(position);
}
public void moveItem(int fromPosition, int toPosition) {
final ProductInfo model = products.remove(fromPosition);
products.add(toPosition, model);
notifyItemMoved(fromPosition, toPosition);
}
#Override
public int getItemCount() {
return products.size();
}
/*
#Override
public Filter getFilter() {
//flushFilter();
return new CardFilter(this,BackupProducts);
}
*/
public interface ProductAdapterListener {
void onAddToCartPressed(ProductInfo product);
}
static class ProductViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
TextView title;
NetworkImageView icon;
TextView price;
TextView description;
LinearLayout add_Cart;
TextView etQuantity;
public ProductViewHolder(final View itemView) {
super(itemView);
icon = (NetworkImageView) itemView.findViewById(R.id.productImage);
title = (TextView) itemView.findViewById(R.id.productName);
price = (TextView) itemView.findViewById(R.id.productPrice);
description = (TextView) itemView.findViewById(R.id.productDescription);
add_Cart = (LinearLayout) itemView.findViewById(R.id.add_cart);
etQuantity = (TextView) itemView.findViewById(R.id.quanity);
}
#Override
public void onClick(View v) {
}
}
/*
//FILTER THE SEARCH RESULTS
private static class CardFilter extends Filter {
private final ProductAdaptor adapter;
private final List<ProductInfo> originalList;
private final List<ProductInfo> filteredList;
private CardFilter(ProductAdaptor adapter, List<ProductInfo> originalList) {
super();
this.adapter = adapter;
this.originalList = new LinkedList<ProductInfo>(originalList);
this.filteredList = new ArrayList<ProductInfo>();
}
#Override
protected FilterResults performFiltering(CharSequence constraint) {
filteredList.clear();
final FilterResults results = new FilterResults();
if (constraint.length() == 0) {
filteredList.addAll(originalList);
} else {
final String filterPattern = constraint.toString().toLowerCase().trim();
for (final ProductInfo productInfo : originalList) {
if (productInfo.getName().toLowerCase().trim().contains(filterPattern)) {
filteredList.add(productInfo);
}
}
}
results.values = filteredList;
results.count = filteredList.size();
return results;
}
#Override
protected void publishResults(CharSequence constraint, FilterResults results) {
adapter.setData((ArrayList<ProductInfo>) results.values);
adapter.notifyDataSetChanged();
}
}
*/
}
Product Fragment
public class ProductFragment extends Fragment implements SearchView.OnQueryTextListener,ProductAdaptor.ProductAdapterListener {
private static final String TAG = ProductFragment.class.getSimpleName();
private ProductAdaptor adapter;
private RecyclerView recyclerView;
private RequestQueue requestQueue;
private VolleySingleton volleySingleton;
// To store all the products
private List<ProductInfo> productsList=new ArrayList<>();
ProductAdaptor.ProductAdapterListener listener;
//Progress dialog
private ProgressDialog pDialog;
public static ProductFragment newInstance() {
return new ProductFragment();
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
pDialog = new ProgressDialog(getActivity());
pDialog.setCancelable(false);
listener=this;
}
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View layout=inflater.inflate(R.layout.product_fragment,container,false);
recyclerView= (RecyclerView) layout.findViewById(R.id.productList);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
pDialog.setMessage("Fetching products...");
showpDialog();
volleySingleton=VolleySingleton.getInstance();
requestQueue=volleySingleton.getRequestQueue();
JsonObjectRequest jsObjRequest = new JsonObjectRequest
(Request.Method.GET, AppConfig.URL_PRODUCTS, (String) null, new Response.Listener<JSONObject>() {
#Override
public void onResponse(JSONObject response) {
//hide the progress dialog
hidepDialog();
adapter=new ProductAdaptor(getActivity(),parseJSONOResponse(response),listener);
}
}, new Response.ErrorListener() {
#Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
Toast.makeText(MyApplication.getAppContext(),
error.getMessage(), Toast.LENGTH_SHORT).show();
// hide the progress dialog
hidepDialog();
}
});
// Wait 20 seconds and don't retry more than once
requestQueue.add(jsObjRequest);
recyclerView.setAdapter(adapter);
return layout;
}
#Override
public void onViewCreated(View view, #Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
setHasOptionsMenu(true);
}
/*
#Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.menu_main,menu);
final MenuItem item = menu.findItem(R.id.search);
final SearchView searchView = (android.support.v7.widget.SearchView) MenuItemCompat.getActionView(item);
searchView.setOnQueryTextListener(this);
}
*/
public boolean PerformSearch(String searchString){
//adapter.getFilter().filter(searchString);
return true;
}
public void setDataSet(List<ProductInfo> newDataSet){
adapter=new ProductAdaptor(MyApplication.getAppContext(),newDataSet,this);
recyclerView.swapAdapter(adapter, false);
//new way of filtering data
}
private List<ProductInfo> parseJSONOResponse(JSONObject response){
try {
JSONArray products = response.getJSONArray("products");
for (int i = 0; i < products.length(); i++) {
JSONObject product = (JSONObject) products
.get(i);
String id = product.getString("product_id");
String name = product.getString("name");
String description = product
.getString("description");
String image = AppConfig.URL_IMAGE_PRODUCTS + product.getString("image");
BigDecimal price = new BigDecimal(product
.getString("price"));
ProductInfo p = new ProductInfo(id, name, description,
image, price);
productsList.add(p);
}
return productsList;
} catch (JSONException e) {
e.printStackTrace();
Toast.makeText(getActivity(),
"Error: " + e.getMessage(),
Toast.LENGTH_LONG).show();
}
return productsList;
}
#Override
public void onAddToCartPressed(ProductInfo product) {
CartHandler cartHandler=new CartHandler(MyApplication.getAppContext());
Log.d("Insert: ", "Inserting ..");
if (cartHandler.getProductsInCartCount()==0) {
cartHandler.addProductInCart(product);
Toast.makeText(MyApplication.getAppContext(),
product.getName() + " added to cart!", Toast.LENGTH_SHORT).show();
}
else{
ProductInfo temp=cartHandler.getProductInCart(Integer.parseInt(product.getId()));
if (temp!=null){
cartHandler.updateProduct(product);
Toast.makeText(MyApplication.getAppContext(),
product.getName() + " added to cart!", Toast.LENGTH_SHORT).show();
}else
{
cartHandler.addProductInCart(product);
Toast.makeText(MyApplication.getAppContext(),
product.getName() + " added to cart!", Toast.LENGTH_SHORT).show();
}
}
}
private void showpDialog() {
if (!pDialog.isShowing())
pDialog.show();
}
private void hidepDialog() {
if (pDialog.isShowing())
pDialog.dismiss();
}
#Override
public boolean onQueryTextSubmit(String query) {
return false;
}
#Override
public boolean onQueryTextChange(String query) {
final List<ProductInfo> filteredModelList = filter(productsList, query);
adapter.animateTo(filteredModelList);
recyclerView.scrollToPosition(0);
return true;
}
private List<ProductInfo> filter(List<ProductInfo> models, String query) {
query = query.toLowerCase();
final List<ProductInfo> filteredModelList = new ArrayList<>();
for (ProductInfo model : models) {
final String text = model.getName().toLowerCase();
if (text.contains(query)) {
filteredModelList.add(model);
}
}
return filteredModelList;
}
}

This problem is caused because of overlapping fragments and i was starting the fragment like this
fragment=ProductFragment.newInstance();
getSupportFragmentManager().beginTransaction()
.replace(R.id.productFragment,fragment )
.commit();
so making it simply
fragment=ProductFragment.newInstance();
solved my problem.
Thanks guys for help #MohammadAllam