Slip 11 - D) Create an Android Application that Demonstrate ListView and Onclick of List Display the Toast.

Solution:

Xml file

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout 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:id="@+id/listView"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintEnd_toEndOf="parent"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

Main activity file

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 {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

        ArrayList<String> arrayList= new ArrayList<String>();

        arrayList.add("Sofiya");

        arrayList.add("Isha");

        arrayList.add("Rajas");

        arrayList.add("Aafiya");

        arrayList.add("Masirah");

        arrayList.add("Shruti");

        /*

        Adapter is a bridge to connect with the content with the list view

         */

        ArrayAdapter<String> arrayAdapter=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,arrayList);

        listView.setAdapter(arrayAdapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override

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

                Toast.makeText(MainActivity.this, "Hello"+arrayList.get(position),Toast.LENGTH_SHORT).show();

            }

        });

    }

}