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How to get id of sqlite when recyclerview item clicked?

Here is my doubt when i click recyclerview item need to get task id which i saved in sqlite how can i do this for example when i click recycler view need to pass that value to next page and need update that value how can i do this so far what i have tried is:

public class Task extends Fragment {
private static final String MY_PREFERENCE_KEY = "yogan";
private List<Model_Task_List> model_task_lists;

private RecyclerView recyclerView;
Task_List_Adapter taskadapter;
private RecyclerView.LayoutManager layoutManager;
SharedPreferences sharedPreferences;
private RecyclerView.Adapter adapter;
RequestQueue yog;
String user_id;
AppController app;
RequestQueue queue;
String Url;
Task_DB task_db = null;
Database_SF_APP database_sf_app;

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_task, container, false);
recyclerView = (RecyclerView) view.findViewById(R.id.my_recycler_view);
LinearLayoutManager layoutManager = new LinearLayoutManager(getContext());
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
recyclerView.setItemAnimator(new DefaultItemAnimator());
recyclerView.setLayoutManager(layoutManager);
if (model_task_lists == null) {
model_task_lists = new ArrayList<Model_Task_List>();
}
Calendar c = Calendar.getInstance();
System.out.println("Current time => " + c.getTime());

SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
String formattedDate = df.format(c.getTime());
int hour=c.get(Calendar.HOUR_OF_DAY);
String hours=Integer.toString(hour);
database_sf_app = new Database_SF_APP(getActivity().getBaseContext());
int count=database_sf_app.getTaskCount();
sharedPreferences = getActivity().getSharedPreferences(LoginActivity.login, 0);
user_id = sharedPreferences.getString("user_id", null);
model_task_lists=database_sf_app.getTaskListById(user_id);
taskadapter=new Task_List_Adapter(model_task_lists,getActivity());
recyclerView.setAdapter(taskadapter);
if(taskadapter!=null){
taskadapter.setOnItemClickListener(new Task_List_Adapter.data() {
@Override
public void yog(View v, int position) {


}
});
}
queue = Volley.newRequestQueue(getContext());
Url = "http://xxx.xx.x.xx/xxx/GetActivitiesByUserID.svc/getlist/Task/" + user_id +"/" +null+"/"+hours;
ConnectivityManager cn = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo nf = cn.getActiveNetworkInfo();
if (nf != null && nf.isConnected()) {
Toast.makeText(getActivity(), "Network Available", Toast.LENGTH_LONG).show();
JsonObjectRequest jsonObjRequest = new JsonObjectRequest(Request.Method.POST, Url, new JSONObject(),
new Response.Listener<JSONObject>() {

@Override
public void onResponse(JSONObject response) {
String server_response = response.toString();
try {
JSONObject json_object = new JSONObject(server_response);
JSONArray json_array = new JSONArray(json_object.getString("TaskResult"));
for (int i = 0; i < json_array.length(); i++) {
Model_Task_List modelobj = new Model_Task_List();
JSONObject json_arrayJSONObject = json_array.getJSONObject(i);
modelobj.setSubject(json_arrayJSONObject.getString("Subject"));
modelobj.setTaskID(json_arrayJSONObject.getInt("TaskID"));
modelobj.setUserName(json_arrayJSONObject.getString("DueDate"));
modelobj.setTaskStatus(json_arrayJSONObject.getString("TaskStatus"));
modelobj.setUserid(json_arrayJSONObject.getString("Owner"));
database_sf_app.insertorUpdate(modelobj);


}
} catch (JSONException e) {
e.printStackTrace();
}

}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getContext(), error.toString(), Toast.LENGTH_SHORT).show();

}
});

//Creating request queue

queue.add(jsonObjRequest);

}

//sync operation
//a union b
//a server
//b local storage

//a only - insert local
//b only - send to server
//a = b do nothing

//result
//bind


return view;
}


@Override
public void onResume()
{
super.onResume();
}


@Override
public void onStop() {

super.onStop();
}

}


Here is my TaskAdapter:

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

public class Task_List_Adapter extends RecyclerView.Adapter<Task_List_Adapter.MyViewHolder> {
private List<Model_Task_List> dataSet;
private Context context;

private static data yog;

Model_Task_List modelTaskList=new Model_Task_List();

public void remove(int position)
{
dataSet.remove(position);
notifyItemRemoved(position);
}
public void edit(int position){
dataSet.set(position, modelTaskList);
notifyItemChanged(position);
}

public void setOnItemClickListener(data listener) {
this.yog = listener;
}

public static class MyViewHolder extends RecyclerView.ViewHolder {
// Model_Task_List Model_Task_List=new Model_Task_List();
TextView textname;
TextView textaddress;
TextView textphnum;
TextView textdegree;
TextView textemail;
ImageView call;
data datas;

public MyViewHolder(final View itemView) {
super(itemView);
this.textname = (TextView) itemView.findViewById(R.id.subject);
this.textaddress = (TextView) itemView.findViewById(R.id.username);
this.textphnum = (TextView) itemView.findViewById(R.id.status);


itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(yog!=null){
yog.yog(itemView,getLayoutPosition());
}
}
});

// this.imageViewIcon = (ImageView) itemView.findViewById(R.id.imageView);

}



}
public interface data
{
void yog(View v,int position);
}
public Task_List_Adapter(List<Model_Task_List> data,Context context) {

this.dataSet = data;
this.context=context;
}

@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.task_list_view, parent, false);

MyViewHolder myViewHolder = new MyViewHolder(view);
return myViewHolder;
}

@Override
public void onBindViewHolder(MyViewHolder holder, int position) {
TextView textViewName = holder.textname;
TextView textViewaddress = holder.textaddress;
TextView textViewphnum = holder.textphnum;
TextView textdegree = holder.textdegree;
TextView textemail=holder.textemail;

textViewName.setText("Subject:"+dataSet.get(position).getSubject());
textViewaddress.setText("DueDate"+dataSet.get(position).getUserName());
textViewphnum.setText("Status:"+dataSet.get(position).getTaskStatus());


}




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


IS it right way to get id:

taskadapter.setOnItemClickListener(new Task_List_Adapter.data() {
@Override
public void yog(View v, int position) {

Model_Task_List model_task_list=(Model_Task_List)model_task_lists.get(position);


String yog=model_task_list.getSubject().toString();
int yogeshs=model_task_list.getTaskID();
String yogan=Integer.toString(yogeshs);
Toast.makeText(getContext(),yogan,Toast.LENGTH_SHORT).show();
}
});
}
Where i make recyclerview clickable how to get id of sqlite when i click and need to pass the value to next page


2 Answers
2

The object you are displaying in recyclerview ,

in your case that code must be in TaskAdapter,

put id in that object so when you click on it you will get that object so retrieve ID from that object

clickedObjecj.getId();


defining onClick in the onBindViewHolder is not a good pratice

the correct way is that declare a interface in the adapter class and implement it on the Activity , Using interface we can pass the value

Steps 1:
Decalre Listener for the OnItemClickListener interface

private OnItemClickListener mListener;


Step 2 : declare an interface , this interface will forward our click and data from adapter to our activity

public interface OnItemClickListener {
void onItemClick(int elementId);
}
public void setOnItemClickListener(OnItemClickListener listener) {
mListener = listener;
}


Step 3 : define the on click on ViewHolder and pass the id

//Assigning on click listener on the item and passing the ID value of the item
itemView.setOnClickListener(new View.OnClickListener() { // we can handle the click as like we do in normal
@Override
public void onClick(View v) {
if (mListener != null) {
int elementId = dataSet.get(getAdapterPosition()).getTaskID(); // Get the id of the item on that position
mListener.onItemClick(elementId); // we catch the id on the item view then pass it over the interface and then to our activity
}
}
});


Step 4: implement TaskAdapter.OnItemClickListener in the activity

TaskAdapter.OnItemClickListener

Step 6: onItemClick method you will recive the value

@Override
public void onItemClick(int itemId) {
Log.d(TAG, "onItemClick: "+String.valueOf(itemId));
}


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