How to Write a RecycleView Adapter , Android
package com.csm.android.bgsysmobileapp; import android.support.v7.widget.CardView; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.TextView; import com.csm.android.bgsysmobileapp.util.TrainingSheduleListDataType; import java.util.ArrayList; /** * Created by sagar on 8/22/2016. */public class RecycleViewAdapterTrainingSheduleList extends RecyclerView.Adapter<RecycleViewAdapterTrainingSheduleList.TrainingSheduleViewHolder> { ArrayList<TrainingSheduleListDataType> arylistTrainingSheduleListDataType; public RecycleViewAdapterTrainingSheduleList(ArrayList<TrainingSheduleListDataType> arylistTrainingSheduleListDataType) { this.arylistTrainingSheduleListDataType = arylistTrainingSheduleListDataType; } public static class TrainingSheduleViewHolder extends RecyclerView.ViewHolder { CardView cv; TextView txtTitle; TextView txtTrainingCode; TextView txtBatchCode; TextView txtDistrictHeadQuarter; TextView txtFromDate; TextView txtToDate; TextView txtTime; Button btnAttandance; TrainingSheduleViewHolder(View itemView) { super(itemView); cv = (CardView) itemView.findViewById(R.id.cardview_singlelement_recyclerview_training_shedule); txtTitle = (TextView) itemView.findViewById(R.id.textview_title_training_shedule_single_item); txtTrainingCode = (TextView) itemView.findViewById(R.id.textview_training_code_value_training_shedule_single_item); txtBatchCode = (TextView) itemView.findViewById(R.id.textview_batch_code_value_training_shedule_single_item); txtDistrictHeadQuarter = (TextView) itemView.findViewById(R.id.textview_district_headquarter_name_training_shedule_single_item); txtFromDate = (TextView) itemView.findViewById(R.id.textview_from_date_training_shedule_single_item); txtToDate = (TextView) itemView.findViewById(R.id.textview_to_date_training_shedule_single_item); txtTime = (TextView) itemView.findViewById(R.id.textview_time_seperator_training_shedule_single_item); btnAttandance = (Button) itemView.findViewById(R.id.button_attandance_single_item_recycleview_training_shedule); } } @Override public TrainingSheduleViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.single_element_recycler_view_training_shedule, parent, false); TrainingSheduleViewHolder pvh = new TrainingSheduleViewHolder(v); return pvh; } @Override public void onBindViewHolder(TrainingSheduleViewHolder holder, int position) { holder.txtTitle.setText(arylistTrainingSheduleListDataType.get(position).getStrTitle()); holder.txtTrainingCode.setText(arylistTrainingSheduleListDataType.get(position).getStrTrainingCode()); holder.txtBatchCode.setText(arylistTrainingSheduleListDataType.get(position).getStrBatchCode()); holder.txtDistrictHeadQuarter.setText(arylistTrainingSheduleListDataType.get(position).getStrDistrictHeadQuarter()); holder.txtFromDate.setText(arylistTrainingSheduleListDataType.get(position).getStrFromDate()); holder.txtToDate.setText(arylistTrainingSheduleListDataType.get(position).getStrToDate()); holder.txtTime.setText(arylistTrainingSheduleListDataType.get(position).getStrTime()); } @Override public int getItemCount() { return arylistTrainingSheduleListDataType.size(); } @Override public void onAttachedToRecyclerView(RecyclerView recyclerView) { super.onAttachedToRecyclerView(recyclerView); } }