CheckSimChanged.java

package sg.vinova.vss.group5.non.activity;

import sg.vinova.vss.group5.non.R;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.TelephonyManager;

public class CheckSimChanged extends Activity{
	
	
	public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		TelephonyManager telephoneMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
		String phoneNumber = telephoneMgr.getLine1Number();
		
		AlertDialog dialBox = createDialogBox(phoneNumber);
		dialBox.show();
	}
	
	private AlertDialog createDialogBox(final String phoneNumber){
		AlertDialog myOptionBox
					=new AlertDialog.Builder(this)
        				.setTitle("Option Box")
        				.setMessage("Your phone number have changed. Would you want to send it to other contacts in your phone?")
        				.setIcon(R.drawable.ic_launcher)

        				.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
        					public void onClick(DialogInterface dialog, int which) {
        						announceNewPhone(phoneNumber);
        					}
        					})
        					.setNeutralButton("Cancel", new DialogInterface.OnClickListener() {
        						public void onClick(DialogInterface dialog, int which) {
        						}
        					})
        					.setNegativeButton("No", new DialogInterface.OnClickListener() {
        						public void onClick(DialogInterface dialog, int which) {
        						}	
        					})
        					.create();
		return myOptionBox;
	}
	
	private void announceNewPhone(String phoneNumber){
		Intent intent = new Intent(this, sendNewPhone.class);
		startActivity(intent);
	}
	
}