Android Open Source - Chit-Chat Main Page

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.dhansiddh.chatmessenger;
/*from www. j ava  2 s.  c om*/
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.Handler;
import android.view.Window;
import android.view.WindowManager;

public class MainPage extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
  // TODO Auto-generated method stub
  super.onCreate(savedInstanceState);
  requestWindowFeature(Window.FEATURE_NO_TITLE);
  getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                       WindowManager.LayoutParams.FLAG_FULLSCREEN);
  setContentView(R.layout.welcome);
SQLiteDatabase myDB= null;

String TableName = "register";
String TableName1 = "friends";
String TableName2 = "messages";
myDB = this.openOrCreateDatabase("chatmessenger", MODE_PRIVATE, null);
myDB.execSQL("CREATE TABLE IF NOT EXISTS " +TableName+ " (register VARCHAR,mobileno VARCHAR(12),username VARCHAR(30),email VARCHAR(50),regid VARCHAR(300));");
myDB.execSQL("CREATE TABLE IF NOT EXISTS " +TableName1+ " (id integer NOT_NULL AUTO_INCREAMENT,name VARCHAR(30),mobileno VARCHAR(12),isregistered INT(10),username VARCHAR(30),email VARCHAR(50),userid INT(10));");
myDB.execSQL("CREATE TABLE IF NOT EXISTS " +TableName2+ " (name VARCHAR(30),mobileno VARCHAR(12),message VARCHAR(500),chatid INT(10),userid INT(10),timestamp date DEFAULT CURRENT_DATE);");
Cursor c = myDB.rawQuery("SELECT COUNT(*) FROM " + TableName , null);
c.moveToFirst();
if(c!=null)
{
  c.moveToFirst();
  if (c.getInt (0) == 0) {
     int secondsDelayed = 1;
         new Handler().postDelayed(new Runnable() {
                 public void run() {
                  
                    Intent i=new Intent(MainPage.this,Register_Number.class);
                startActivity(i);
             MainPage.this.finish();
                 }
         }, secondsDelayed * 1000);
         if (myDB != null)
          myDB.close();
      
  }
  else
  {int secondsDelayed = 1;
    new Handler().postDelayed(new Runnable() {
            public void run() {
              Intent i=new Intent(MainPage.this,MainActivity.class);
              startActivity(i);
              MainPage.this.finish();
            }
    }, secondsDelayed * 1000);
  
  if (myDB != null)
    myDB.close();
  
  }
  }
}
}

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