Tutorial ListView di Android

package com.example.myapplication;



import androidx.appcompat.app.AppCompatActivity;



import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {



    ListView listView;

    TextView textView;

    String[] listItem;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.
activity_main
);



        listView=(ListView)findViewById(R.id.
listView
);

        textView=(TextView)findViewById(R.id.
textView
);

        listItem = getResources().getStringArray(R.array.
array_technology
);

        final ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,

                android.R.layout.
simple_list_item_1
, android.R.id.
text1
, listItem);

        listView.setAdapter(adapter);



        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override

            public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {

                // 
TODO Auto-generated method stub
               
String value=adapter.getItem(position);

                Toast.
makeText
(getApplicationContext(),value,Toast.
LENGTH_SHORT
).show();

            }

        });

    }

}

ListView listView;
TextView textView;
String[] listItem;