Easy OnLongClick and OnClick Example
suggest changeFirst of all, implement your view holder:
implements View.OnClickListener, View.OnLongClickListener
Then, register the listeners as follows:
itemView.setOnClickListener(this); itemView.setOnLongClickListener(this);
Next, override the listeners as follows:
@Override public void onClick(View v) { onclicklistner.onItemClick(getAdapterPosition(), v); } @Override public boolean onLongClick(View v) { onclicklistner.onItemLongClick(getAdapterPosition(), v); return true; }
And finally, add the following code:
public void setOnItemClickListener(onClickListner onclicklistner) { SampleAdapter.onclicklistner = onclicklistner; } public void setHeader(View v) { this.headerView = v; } public interface onClickListner { void onItemClick(int position, View v); void onItemLongClick(int position, View v); }
Adaptor demo
package adaptor; import android.annotation.SuppressLint; 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.TextView; import com.wings.example.recycleview.MainActivity; import com.wings.example.recycleview.R; import java.util.ArrayList; public class SampleAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { Context context; private ArrayList<String> arrayList; private static onClickListner onclicklistner; private static final int VIEW_HEADER = 0; private static final int VIEW_NORMAL = 1; private View headerView; public SampleAdapter(Context context) { this.context = context; arrayList = MainActivity.arrayList; } public class HeaderViewHolder extends RecyclerView.ViewHolder { public HeaderViewHolder(View itemView) { super(itemView); } } public class ItemViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener { TextView txt_pos; SampleAdapter sampleAdapter; public ItemViewHolder(View itemView, SampleAdapter sampleAdapter) { super(itemView); itemView.setOnClickListener(this); itemView.setOnLongClickListener(this); txt_pos = (TextView) itemView.findViewById(R.id.txt_pos); this.sampleAdapter = sampleAdapter; itemView.setOnClickListener(this); } @Override public void onClick(View v) { onclicklistner.onItemClick(getAdapterPosition(), v); } @Override public boolean onLongClick(View v) { onclicklistner.onItemLongClick(getAdapterPosition(), v); return true; } } public void setOnItemClickListener(onClickListner onclicklistner) { SampleAdapter.onclicklistner = onclicklistner; } public void setHeader(View v) { this.headerView = v; } public interface onClickListner { void onItemClick(int position, View v); void onItemLongClick(int position, View v); } @Override public int getItemCount() { return arrayList.size()+1; } @Override public int getItemViewType(int position) { return position == 0 ? VIEW_HEADER : VIEW_NORMAL; } @SuppressLint("InflateParams") @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) { if (viewType == VIEW_HEADER) { return new HeaderViewHolder(headerView); } else { View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.custom_recycler_row_sample_item, viewGroup, false); return new ItemViewHolder(view, this); } } @Override public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) { if (viewHolder.getItemViewType() == VIEW_HEADER) { return; } else { ItemViewHolder itemViewHolder = (ItemViewHolder) viewHolder; itemViewHolder.txt_pos.setText(arrayList.get(position-1)); } } }
The example code above can be called by the following code:
sampleAdapter.setOnItemClickListener(new SampleAdapter.onClickListner() { @Override public void onItemClick(int position, View v) { position = position+1;//As we are adding header Log.e(TAG + "ON ITEM CLICK", position + ""); Snackbar.make(v, "On item click "+position, Snackbar.LENGTH_LONG).show(); } @Override public void onItemLongClick(int position, View v) { position = position+1;//As we are adding header Log.e(TAG + "ON ITEM LONG CLICK", position + ""); Snackbar.make(v, "On item longclick "+position, Snackbar.LENGTH_LONG).show(); } });
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