MainActivity.java MainActivity.java package com.androidruler.databasesample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.Menu; import android.view.MenuItem; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import java.util.ArrayList; import java.util.List; public class MainActivity extends AppCompatActivity { ListView allcontacts; TextView totalcontacts; ArrayList<String> allusers=new ArrayList<>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); allcontacts=(ListView)findViewById(R.id.contactlist); totalcontacts=(TextView)findViewById(R.id.totalcount); DbHandler db=new DbHandler(MainActivity.this); //inserting contacts db.addContact(new Contact("Ankur","Bansal","123456789")); db.addContact(new Contact("Vibhor","Tayal","267755557")); db.addContact(new … Continue reading Android SQLite Database Example