// button onclick
{
	Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
	intent.setType(ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE);
	startActivityForResult(intent, 1);
}

// getting number from phonebook


	protected void onActivityResult(int requestCode, int resultCode, Intent data) {

		// super.onActivityResult(requestCode, resultCode, data);

		        //Twitter Auth Callback
		       // mTwitter.authorizeCallback(requestCode, resultCode, data);
		if (data != null) {
			Uri uri = data.getData();

			if (uri != null) {
				Cursor c = null;
				try {
					c = getContentResolver()
							.query(uri,
									new String[] {
											ContactsContract.CommonDataKinds.Phone.NUMBER,
											/*ContactsContract.CommonDataKinds.Phone.TYPE*/ },
									null, null, null);

					if (c != null && c.moveToFirst()) {
						String number = c.getString(0);
						//int type = c.getInt(1);
						showSelectedNumber(number);
					}
				} finally {
					if (c != null) {
						c.close();
					}
				}
			}
		}

	}

	public void showSelectedNumber(String number) {

		final AlertDialog.Builder alert = new AlertDialog.Builder(this);
		LinearLayout lila1 = new LinearLayout(this);
		lila1.setOrientation(1); // 1 is for vertical orientation
		final EditText input = new EditText(this);
		final EditText input1 = new EditText(this);
		lila1.addView(input);
		input.setText(number);
		lila1.addView(input1);
		alert.setView(lila1);
		input1.setText(R.string.invite_SMS);
		input1.setTextSize(15);
		input1.setEllipsize(null);
		input1.setTextColor(Color.BLACK);


		alert.setTitle("MESSAGE");

		alert.setPositiveButton("SEND", new DialogInterface.OnClickListener() {

			public void onClick(DialogInterface dialog, int which) {

				String phoneNo = input.getText().toString();
				String message = input1.getText().toString();
				if (phoneNo.length() > 0 && message.length() > 0)
					sendSMS(phoneNo, message);

				else
					Toast.makeText(getBaseContext(),
							"Please enter both phone number and message.",
							Toast.LENGTH_SHORT).show();

			}
		});

		alert.setNegativeButton("Cancel",
				new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int whichButton) {
						dialog.cancel();
					}
				});
		alert.show();

	}

	private void sendSMS(String phoneNumber, String message) {
		PendingIntent pi = PendingIntent.getActivity(this, 0, new Intent(this,
				InviteFriends.class), 0);
		SmsManager sms = SmsManager.getDefault();
		sms.sendTextMessage(phoneNumber, null, message, pi, null);
		Toast.makeText(getApplicationContext(), "MESSAGE SENT",
				Toast.LENGTH_SHORT).show();

	}