Android ListView - Fill With Array

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*This is a simple ListView tutorial.Here is what we do:

Our MainActivity

This is our main activity. This is our launcher activity. This class will be the entry point to our application.

First we define our package then import other packages via the import statements.

Then we make our class derive from AppCompatActivity.

We will maintain an array which will act as our data source:

 String[] spacecrafts={"Juno","Hubble","Casini","WMAP","Spitzer","Pioneer","Columbia","Challenger","Apollo","Curiosity"};

We will pass this array into our arrayadapetr constructor and set its instance to our ListView:

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

Let's look at the full source code.

package com.tutorials.hp.listviewarray;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

 ListView lv;
 String[] spacecrafts={"Juno","Hubble","Casini","WMAP","Spitzer","Pioneer","Columbia","Challenger","Apollo","Curiosity"};

 protected void onCreate(Bundle savedInstanceState) {

    lv= (ListView) findViewById(;

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

    lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
        Toast.makeText(MainActivity.this, spacecrafts[i], Toast.LENGTH_SHORT).show();



Our XML Layout

This is our main activity's layout. It is our activity_main.xml file.

We use the following elements:

  1. RelativeLayout - Our ViewGroup.
  2. ListView - Our adapterview.
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android=""


How To Run

  1. Download the project.
  2. You'll get a zipped file,extract it.
  3. Open the Android Studio.
  4. Now close, already open project.
  5. From the Menu bar click on File >New> Import Project.
  6. Now Choose a Destination Folder, from where you want to import project.
  7. Choose an Android Project.
  8. Now Click on “OK“.
  9. Done, your done importing the project,now edit it.

More Resources

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GitHub Download Link Download

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About Me.

After completing his Software Engineering bachelors program, Oclemy(Clement Ochieng) these days is a man of two lives. At day he works for a startup in Nairobi, Kenya. At night he works tirelessly on building ProgrammingWizards TV, a tv channel for student coders and this website to help share the source code. In between he practices Meditation and Self actualization to help him keep balance. He also likes going for long solo walks to connect more with nature.


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