Hi Friend's recently i have created android application for election management(Voter search and other statics and reports as well as Messaging voter details). I have developed this application for one of my client , Application requirement was storing almost 3 To 4 Lakh Record's in local phone memory without using internet and this was biggest challenge for bcz I have not studied android and this was my first app in android . I'm Posting some codes which may help you ............ MainActivity.java This is my main activity code which create Database and do AsynTask like showing progress bar......... package com.example.rajmal.dummy; import java.io.IOException; import android.os.AsyncTask; import android.os.Bundle; import android.annotation.SuppressLint; import android.app.Activity; import android.app.ProgressDialog; import android.content.Context; import android.content.Intent; import android.util.Log; import android.view.Menu; import android....