SimpleAdapter in Android with Example

import android.os.Bundle;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import androidx.appcompat.app.AppCompatActivity;
import java.util.ArrayList;
import java.util.HashMap;

public class MainActivity extends AppCompatActivity {

    ListView listView;

    // creating  a String type array (fruitNames)
    // which contains names of different fruits' images
    String fruitNames[]
        = { "Banana", "Grape",  "Guava",
            "Mango",  "Orange", "Watermelon" };

    // creating an Integer type array (fruitImageIds) which
    // contains IDs of different fruits' images
    int fruitImageIds[]
        = { R.drawable.banana, R.drawable.grape,
            R.drawable.guava,  R.drawable.mango,
            R.drawable.orange, R.drawable.watermelon };

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

        // Binding the ListView  of activity_main.xml file
        // with this java code in MainActivity.java
        listView = findViewById(R.id.listView);

        // creating an ArrayList of HashMap.The kEY of the
        // HashMap is a String and VALUE is of any
        // datatype(Object)
        ArrayList<HashMap<String, Object> > list
            = new ArrayList<>();

        // By a for loop, entering different types of data
        // in HashMap, and adding this map including it's
        // datas into the ArrayList as list item and this
        // list is the second parameter of the SimpleAdapter
        for (int i = 0; i < fruitNames.length; i++) {

            // creating an Object of HashMap class
            HashMap<String, Object> map = new HashMap<>();

            // Data entry in HashMap
            map.put("fruitName", fruitNames[i]);
            map.put("fruitImage", fruitImageIds[i]);

            // adding the HashMap to the ArrayList
            list.add(map);
        }

        // creating A string type array(from) which contains
        // column names for each View in each row of the
        // list and this array(form) is the fourth parameter
        // of the SimpleAdapter
        String[] from = { "fruitName", "fruitImage" };

        // creating an integer type array(to) which contains
        // id of each View in each row of the list
        // and this array(form) is the fifth parameter of
        // the SimpleAdapter
        int to[] = { R.id.textView, R.id.imageView };

        // creating an Object of SimpleAdapter class and
        // passing all the required parameters
        SimpleAdapter simpleAdapter = new SimpleAdapter(
            getApplicationContext(), list,
            R.layout.list_row_items, from, to);

        // now setting the simpleAdapter to the ListView
        listView.setAdapter(simpleAdapter);
    }
}