how to sort the data in RecyclerView
I might seems a repetition but i am really unable to find a better way to sort the data in recycler view containing cardview.
Below is the snippet of recyclerview in my mainactivity
mRecyclerView = (RecyclerView) findViewById(R.id.recyclerview);
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(linearLayoutManager);
mAdapter = new PickUpPointAdapter(testData);
mRecyclerView.setAdapter(mAdapter);
mCardView=(CardView)findViewById(R.id.searchcard);
mCardView.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
// item clicked
Intent search = new Intent( AppController.getAppContext(), TabLayoutActivity.class);
search.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(search);
}
});
Map<String,String> params = new HashMap<String,String>();
JsonObjectRequest NearbyPickUpPointReq = new JsonObjectRequest (Request.Method.GET,url_searchNearBybusStopServlet,new JSONObject(params), new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.d("Tag", response.toString());
// hidePDialog();
try {
JSONArray obj1 = response.getJSONArray("pickuppoint");
testData.clear();
// Parsing json
for (int i = 0; i < obj1.length(); i++) {
JSONObject obj = (JSONObject)obj1.get(i);
SearchResults srchresult = new SearchResults();
srchresult.setPickUpPoint(obj.getString("PickupPoint"));
srchresult.setRouteName(obj.getString("RouteName"));
srchresult.setLatitude(obj.getDouble("Latitude"));
srchresult.setLongitude(obj.getDouble("Longitude"));
srchresult.setWalkingTime(obj.getInt("WalkingTime"));
srchresult.setRoute2("-");
mapMarker( srchresult.getLatitude(), srchresult.getLongitude(),srchresult.getPickUpPoint());
String[] RouteArray = srchresult.getRouteName().split(",");
// Log.e(TAG, "Error: " + RouteArray.length);
srchresult.setRoute1( RouteArray[0]);
if(RouteArray.length>1)
srchresult.setRoute2(RouteArray[1]);
testData.add(srchresult);
}
} catch (JSONException e) {
e.printStackTrace();
}
// notifying list adapter about data changes
// so that it renders the list view with updated data
mAdapter.notifyDataSetChanged();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// VolleyLog.d(TAG, "Error: " + error.getMessage());
// hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(NearbyPickUpPointReq);
}
Here is the customadapter
public class PickUpPointAdapter extends RecyclerView.Adapter<PickUpPointAdapter.ViewHolder> {
ArrayList<SearchResults> mItems;
public int TAG=0;
public PickUpPointAdapter(ArrayList<SearchResults> mItems) {
this.mItems=mItems;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View v = LayoutInflater.from(viewGroup.getContext())
.inflate(R.layout.nearby_busstop_list_layout, viewGroup, false);
ViewHolder viewHolder = new ViewHolder(v);
return viewHolder;
}
@Override
public void onBindViewHolder(final ViewHolder viewHolder, int i) {
final SearchResults routename = mItems.get(i);
viewHolder.tv_pickuppointname.setText(routename.getPickUpPoint());
viewHolder.tv_walkingtime.setText(String.valueOf(routename.getWalkingTime())+"min walk ");
viewHolder.tv_allroutename.setText(routename.getRouteName());
viewHolder.tv_route1.setText(routename.getRoute1());
viewHolder.tv_route2.setText(routename.getRoute2());
Log.e("TAG","i value="+ i);
// if(i==mItems.size()-1)
// viewHolder.seperator.setVisibility(View.INVISIBLE);
viewHolder.mView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Context context = v.getContext();
Intent intent = new Intent(context,BusStopDetailsnew.class);
intent.putExtra("pickup", routename.getPickUpPoint());
intent.putExtra("route", routename.getRouteName());
intent.putExtra("walk", routename.getWalkingTime());
intent.putExtra("lat", routename.getLatitude());
intent.putExtra("lon", routename.getLongitude());
context.startActivity(intent);
}
});
}
@Override
public int getItemCount() {
Log.e("TAG","item size"+ mItems.size());
return mItems.size();
}
class ViewHolder extends RecyclerView.ViewHolder{
public TextView tv_pickuppointname;
TextView tv_walkingtime;
TextView tv_allroutename;
TextView tv_route1;
TextView tv_route2;
public View seperator;
public View mView;
public ViewHolder(View itemView) {
super(itemView);
mView=itemView;
tv_pickuppointname = (TextView)itemView.findViewById(R.id.BusstopName);
tv_walkingtime = (TextView) itemView.findViewById(R.id.walktime);
tv_allroutename = (TextView) itemView.findViewById(R.id.allbusRoute);
tv_route1 = (TextView) itemView.findViewById(R.id.RouteName1);
tv_route2 = (TextView) itemView.findViewById(R.id.RouteName2);
seperator=(View)itemView.findViewById(R.id.seperator);
}
}
And finally the getter and setters method
public class SearchResults {
private String PickUpPoint="";
private int WalkingTime=0;
private String RouteName = "";
private String Route1="";
private String Route2="";
private Double Latitude = null;
private Double Longitude = null;
//walking time
public int getWalkingTime() {
return WalkingTime;
}
public void setWalkingTime(int WalkingTime) {
this.WalkingTime = WalkingTime;
}
//Route1
public String getRoute1() {
return Route1;
}
public void setRoute1(String Route1) {
this.Route1 = Route1;
}
//Route2
public String getRoute2() {
return Route2;
}
public void setRoute2(String Route2) {
this.Route2 = Route2;
}
//PickUpPoint
public void setPickUpPoint(String PickUpPoint) {
this.PickUpPoint = PickUpPoint;
}
public String getPickUpPoint() {
return PickUpPoint;
}
//RouteName ArrayList
public void setRouteName(String RouteName) {
this.RouteName = RouteName;
}
public String getRouteName() {
return RouteName;
}
//Latitude
public void setLatitude(Double Latitude) {
this.Latitude = Latitude;
}
public Double getLatitude() {
return Latitude;
}
//Longitude
public void setLongitude(Double Longitude) {
this.Longitude = Longitude;
}
public Double getLongitude() {
return Longitude;
}
}
I want to sort the list according to the walking time. Can anyone help me with this?
Answer
//you can use comparable interface in bean and compare with particular field
public class SearchResults implements Comparable{
private int id;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
@Override
public int compareTo(Object another) {
if(((SearchDetail)another).getId() > id){
return 1;
}if(((SearchDetail)another).getId() == id){
return 0;
}else{
return -1;
}
return 0;
}
}
please compare that field to which you want to compare
Edited-
mRecyclerView = (RecyclerView) findViewById(R.id.recyclerview);
LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(linearLayoutManager);
mAdapter = new PickUpPointAdapter(testData);
mRecyclerView.setAdapter(mAdapter);
mCardView=(CardView)findViewById(R.id.searchcard);
mCardView.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View v) {
// item clicked
Intent search = new Intent( AppController.getAppContext(), TabLayoutActivity.class);
search.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(search);
}
});
Map<String,String> params = new HashMap<String,String>();
JsonObjectRequest NearbyPickUpPointReq = new JsonObjectRequest (Request.Method.GET,url_searchNearBybusStopServlet,new JSONObject(params), new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.d("Tag", response.toString());
// hidePDialog();
try {
JSONArray obj1 = response.getJSONArray("pickuppoint");
testData.clear();
// Parsing json
for (int i = 0; i < obj1.length(); i++) {
JSONObject obj = (JSONObject)obj1.get(i);
SearchResults srchresult = new SearchResults();
srchresult.setPickUpPoint(obj.getString("PickupPoint"));
srchresult.setRouteName(obj.getString("RouteName"));
srchresult.setLatitude(obj.getDouble("Latitude"));
srchresult.setLongitude(obj.getDouble("Longitude"));
srchresult.setWalkingTime(obj.getInt("WalkingTime"));
srchresult.setRoute2("-");
mapMarker( srchresult.getLatitude(), srchresult.getLongitude(),srchresult.getPickUpPoint());
String[] RouteArray = srchresult.getRouteName().split(",");
// Log.e(TAG, "Error: " + RouteArray.length);
srchresult.setRoute1( RouteArray[0]);
if(RouteArray.length>1)
srchresult.setRoute2(RouteArray[1]);
testData.add(srchresult);
}
Collections.sort(testData);
} catch (JSONException e) {
e.printStackTrace();
}
// notifying list adapter about data changes
// so that it renders the list view with updated data
mAdapter.notifyDataSetChanged();
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// VolleyLog.d(TAG, "Error: " + error.getMessage());
// hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(NearbyPickUpPointReq);
}