import android.app.AlertDialog;
import android.content.Context;
class UIHelper {
public static void openFirstTimePopup(final Context context) {
final String html = "Thank you!";
final AlertDialog.Builder builder = new AlertDialog.Builder(context).
setCancelable(true).
setTitle("Welcome!").
setMessage(html).
setNegativeButton("Close",null);
final AlertDialog di = builder.create();
di.show();
}
}