Listview may be a collection of things pulled from arraylist, list or any databases. Most uses of listview may be a collection of things in vertical format, We will scroll up/down and click on on any item.
This example demonstrate about the way to make a ListView in android studio.
Step 1
Create a New Project and fill all required details to make a replacement project.
Step 2
Now add the below code into res->layout->activity_main.xml.
<?xml version = "1.0" encoding = "utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
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">
<LinearLayout
android:layout_width = "match_parent"
android:layout_height = "match_parent"
android:orientation = "vertical">
<ListView
android:id = "@+id/list"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"/>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>Step 3
Now go to MainActivity.java class and copy & paste below java code. This code belong to onCreate method.
package com.android.listview;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final ListView list = findViewById(R.id.list);
ArrayList<String> arrayList = new ArrayList<>();
arrayList.add("Android");
arrayList.add("Google");
arrayList.add("Bing");
arrayList.add("Facebook");
arrayList.add("Youtube");
arrayList.add("Instagram");
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, arrayList);
list.setAdapter(arrayAdapter);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String clickedItem=(String) list.getItemAtPosition(position);
Toast.makeText(MainActivity.this,clickedItem,Toast.LENGTH_LONG).show();
}
});
}
}
Step 4
Now connect your Android Mobile device with Android Studio for checking output of application. Open one of your project’s activity files and click Run icon from the toolbar.
