gistfile1.java

AlertDialog alertDialog = new AlertDialog.Builder(this).create();
alertDialog.setTitle(this.getResources().getString(R.string.no_internet_dialog_title));
alertDialog.setMessage(this.getResources().getString(R.string.no_internet_dialog_message));
alertDialog.setCancelable(false);
alertDialog.setButton(this.getResources().getString(R.string.no_internet_dialog_button_text), new OnClickListener() {

	public void onClick(DialogInterface dialog, int which) {

		// I just close the app if there is no internet connection
		OxydroidActivity.this.finish();
	}
});
alertDialog.show();