Full source code to create an OnItemClickListener interface to handle click events like we would do it in a ListView. We will set our MainActivity as the listener to this interface
activity_main.xml
<?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="com.example.application.recyclerviewproject.MainActivity">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="100dp"
android:background="@android:color/darker_gray"
android:padding="4dp"
android:scrollbars="vertical" />
<EditText
android:id="@+id/edittext_insert"
android:layout_width="40dp"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:layout_marginStart="15dp"
android:layout_marginBottom="25dp"
android:inputType="number" />
<Button
android:id="@+id/button_insert"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@id/edittext_insert"
android:layout_toEndOf="@id/edittext_insert"
android:text="insert" />
<EditText
android:id="@+id/edittext_remove"
android:layout_width="40dp"
android:layout_height="wrap_content"
android:layout_alignBottom="@id/button_insert"
android:layout_marginStart="65dp"
android:layout_toEndOf="@id/button_insert"
android:inputType="number" />
<Button
android:id="@+id/button_remove"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@id/edittext_remove"
android:layout_toEndOf="@id/edittext_remove"
android:text="remove" />
</RelativeLayout>
example_item.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="4dp"
app:cardCornerRadius="4dp">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="4dp">
<ImageView
android:id="@+id/imageView"
android:layout_width="50dp"
android:layout_height="50dp"
android:padding="2dp" />
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toEndOf="@+id/imageView"
android:text="Line 1"
android:textColor="@android:color/black"
android:textSize="20sp"
android:textStyle="bold" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView"
android:layout_marginStart="8dp"
android:layout_toEndOf="@+id/imageView"
android:text="Line 2"
android:textSize="15sp" />
</RelativeLayout>
</android.support.v7.widget.CardView>
ExampleAdapter.java
package com.example.application.recyclerviewproject;
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.ArrayList;
public class ExampleAdapter extends RecyclerView.Adapter<ExampleAdapter.ExampleViewHolder> {
private ArrayList<ExampleItem> mExampleList;
private OnItemClickListener mListener;
public interface OnItemClickListener {
void onItemClick(int position);
}
public void setOnItemClickListener(OnItemClickListener listener) {
mListener = listener;
}
public static class ExampleViewHolder extends RecyclerView.ViewHolder {
public ImageView mImageView;
public TextView mTextView1;
public TextView mTextView2;
public ExampleViewHolder(View itemView, final OnItemClickListener listener) {
super(itemView);
mImageView = itemView.findViewById(R.id.imageView);
mTextView1 = itemView.findViewById(R.id.textView);
mTextView2 = itemView.findViewById(R.id.textView2);
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (listener != null) {
int position = getAdapterPosition();
if (position != RecyclerView.NO_POSITION) {
listener.onItemClick(position);
}
}
}
});
}
}
public ExampleAdapter(ArrayList<ExampleItem> exampleList) {
mExampleList = exampleList;
}
@Override
public ExampleViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.example_item, parent, false);
ExampleViewHolder evh = new ExampleViewHolder(v, mListener);
return evh;
}
@Override
public void onBindViewHolder(ExampleViewHolder holder, int position) {
ExampleItem currentItem = mExampleList.get(position);
holder.mImageView.setImageResource(currentItem.getImageResource());
holder.mTextView1.setText(currentItem.getText1());
holder.mTextView2.setText(currentItem.getText2());
}
@Override
public int getItemCount() {
return mExampleList.size();
}
}
ExampleItem.java
package com.example.application.recyclerviewproject;
public class ExampleItem {
private int mImageResource;
private String mText1;
private String mText2;
public ExampleItem(int imageResource, String text1, String text2) {
mImageResource = imageResource;
mText1 = text1;
mText2 = text2;
}
public void changeText1(String text) {
mText1 = text;
}
public int getImageResource() {
return mImageResource;
}
public String getText1() {
return mText1;
}
public String getText2() {
return mText2;
}
}
MainActivity.java
package com.example.application.recyclerviewproject;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
private ArrayList<ExampleItem> mExampleList;
private RecyclerView mRecyclerView;
private ExampleAdapter mAdapter;
private RecyclerView.LayoutManager mLayoutManager;
private Button buttonInsert;
private Button buttonRemove;
private EditText editTextInsert;
private EditText editTextRemove;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
createExampleList();
buildRecyclerView();
buttonInsert = findViewById(R.id.button_insert);
buttonRemove = findViewById(R.id.button_remove);
editTextInsert = findViewById(R.id.edittext_insert);
editTextRemove = findViewById(R.id.edittext_remove);
buttonInsert.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int position = Integer.parseInt(editTextInsert.getText().toString());
insertItem(position);
}
});
buttonRemove.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int position = Integer.parseInt(editTextRemove.getText().toString());
removeItem(position);
}
});
}
public void insertItem(int position) {
mExampleList.add(position, new ExampleItem(R.drawable.ic_android, "New Item At Position" + position, "This is Line 2"));
mAdapter.notifyItemInserted(position);
}
public void removeItem(int position) {
mExampleList.remove(position);
mAdapter.notifyItemRemoved(position);
}
public void changeItem(int position, String text) {
mExampleList.get(position).changeText1(text);
mAdapter.notifyItemChanged(position);
}
public void createExampleList() {
mExampleList = new ArrayList<>();
mExampleList.add(new ExampleItem(R.drawable.ic_android, "Line 1", "Line 2"));
mExampleList.add(new ExampleItem(R.drawable.ic_audio, "Line 3", "Line 4"));
mExampleList.add(new ExampleItem(R.drawable.ic_sun, "Line 5", "Line 6"));
}
public void buildRecyclerView() {
mRecyclerView = findViewById(R.id.recyclerView);
mRecyclerView.setHasFixedSize(true);
mLayoutManager = new LinearLayoutManager(this);
mAdapter = new ExampleAdapter(mExampleList);
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setAdapter(mAdapter);
mAdapter.setOnItemClickListener(new ExampleAdapter.OnItemClickListener() {
@Override
public void onItemClick(int position) {
changeItem(position, "Clicked");
}
});
}
}