8. Listview in Android Studio

 

1. Manifest 

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/Theme.ListView"
        tools:targetApi="31">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

2. Xml 

<?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"
    tools:context=".MainActivity">

    <ListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/listView"/>

</LinearLayout>

3. Java

package com.example.listview;

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.Toast;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {
ListView listView;
ArrayList<String> arrNames = new ArrayList<>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        listView = findViewById(R.id.listView);
        arrNames.add("Ali");
        arrNames.add("Ramzan");
        arrNames.add("Noman");
        arrNames.add("Afzal");
        arrNames.add("Aslam");
        arrNames.add("Ali");
        arrNames.add("Ramzan");
        arrNames.add("Noman");
        arrNames.add("Afzal");
        arrNames.add("Aslam");
        arrNames.add("Ali");
        arrNames.add("Ramzan");
        arrNames.add("Noman");
        arrNames.add("Afzal");
        arrNames.add("Aslam");
        arrNames.add("Ali");
        arrNames.add("Ramzan");
        arrNames.add("Noman");
        arrNames.add("Afzal");
        arrNames.add("Aslam");
        ArrayAdapter<String> adp = new ArrayAdapter<>(getApplicationContext(), android.R.layout.simple_list_item_1, arrNames);
        listView.setAdapter(adp);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (position==0){
                    Toast.makeText(MainActivity.this, "This is first item", Toast.LENGTH_SHORT).show();
                } else {
                    Toast.makeText(MainActivity.this, "This is clicking toast on items", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }
}