14 Program to implement ListView in Android Studio ~ Coding Atharva

AndroidManifest.xml:

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

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

package="com.blogspot.codingatharva.manualprograms">



<application

    android:allowBackup="true"

    android:icon="@mipmap/ic_launcher"

    android:label="@string/app_name"

    android:roundIcon="@mipmap/ic_launcher_round"

    android:supportsRtl="true"

    android:theme="@style/AppTheme">

    <activity android:name=".MainActivity">

        <intent-filter>

            <action android:name="android.intent.action.MAIN" />



            <category android:name="android.intent.category.LAUNCHER" />

        </intent-filter>

    </activity>

</application>



</manifest>

MainActivity.java:

package com.blogspot.codingatharva.manualprograms;



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 lv;

    TextView tv;

    String langList[] = {"Android", "Java", "PHP", "Hadoop", "SAP", "Python", "AJAX", "C++", "Ruby", "Rails"};



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        lv = findViewById(R.id.lv);



        ArrayAdapter<String> ad = new ArrayAdapter<String>(this, R.layout.activity_listview, R.id.tv, langList);

        lv.setAdapter(ad);



        lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {

            @Override

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

                String selected = ((TextView) view.findViewById(R.id.tv)).getText().toString();



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



            }

        });

    }



}

activity_main.xml:

<?xml version= "1.0" encoding= "utf-8" ?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="16dp"
    tools:context=".MainActivity">

    <ListView
        android:id="@+id/lv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:dividerHeight="01dp" />
</RelativeLayout>

activity_listview.xml: under res/layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/tv"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />
</LinearLayout>

Output:

Program to implement ListView in Android Studio

14 Program to implement ListView in Android Studio

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