How to Sort an Array and Arraylist Alphabetically in Android

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context="tech.codingpoint.sortingexample.MainActivity">

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:padding="4dp" />

    <android.support.v7.widget.RecyclerView
        android:id="@+id/recyclerView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:background="@android:color/darker_gray"
        android:padding="4dp"
        android:scrollbars="vertical" />

    <Button
        android:id="@+id/button_sort"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:text="sort" />

</LinearLayout>

<?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>

package tech.codingpoint.sortingexample;

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;

    public static class ExampleViewHolder extends RecyclerView.ViewHolder {
        public ImageView mImageView;
        public TextView mTextView1;
        public TextView mTextView2;

        public ExampleViewHolder(View itemView) {
            super(itemView);
            mImageView = itemView.findViewById(R.id.imageView);
            mTextView1 = itemView.findViewById(R.id.textView);
            mTextView2 = itemView.findViewById(R.id.textView2);
        }
    }

    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);
        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();
    }
}

package tech.codingpoint.sortingexample;

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 int getImageResource() {
        return mImageResource;
    }

    public String getText1() {
        return mText1;
    }

    public String getText2() {
        return mText2;
    }
}

package tech.codingpoint.sortingexample;

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.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;

public class MainActivity extends AppCompatActivity {
    private ArrayList<ExampleItem> mExampleList;
    private ArrayAdapter<String> mListViewAdapter;
    private ExampleAdapter mRecyclerViewAdapter;
    private String[] mArrayNames = new String[]{"Daryl", "Rick", "Abraham", "Eugene"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        createExampleList();
        buildRecyclerView();
        buildListView();

        Button buttonSort = findViewById(R.id.button_sort);
        buttonSort.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                sortArray();
                sortArrayList();
            }
        });
    }

    private void sortArray() {
        Arrays.sort(mArrayNames);
        mListViewAdapter.notifyDataSetChanged();
    }

    private void sortArrayList() {
        Collections.sort(mExampleList, new Comparator<ExampleItem>() {
            @Override
            public int compare(ExampleItem o1, ExampleItem o2) {
                return o1.getText2().compareTo(o2.getText2());
            }
        });

        mRecyclerViewAdapter.notifyDataSetChanged();
    }

    private void createExampleList() {
        mExampleList = new ArrayList<>();
        mExampleList.add(new ExampleItem(R.drawable.ic_android, "Daryl", "Dixon"));
        mExampleList.add(new ExampleItem(R.drawable.ic_audio, "Rick", "Grimes"));
        mExampleList.add(new ExampleItem(R.drawable.ic_sun, "Abraham", "Ford"));
        mExampleList.add(new ExampleItem(R.drawable.ic_android, "Eugene", "Porter"));
    }

    private void buildRecyclerView() {
        RecyclerView recyclerView = findViewById(R.id.recyclerView);
        recyclerView.setHasFixedSize(true);
        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(this);
        mRecyclerViewAdapter = new ExampleAdapter(mExampleList);

        recyclerView.setLayoutManager(layoutManager);
        recyclerView.setAdapter(mRecyclerViewAdapter);
    }

    private void buildListView() {
        ListView listView = findViewById(R.id.listView);
        mListViewAdapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, mArrayNames);
        listView.setAdapter(mListViewAdapter);
    }
}