A simple dialog box for android

Android Message Dialog

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.FragmentManager;
import android.content.DialogInterface;
import android.os.Bundle;

/**
* Generic message dialog
*/
public class MessageDialog extends DialogFragment {

    public MessageDialog() {
    }

    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity())
                .setMessage(getArguments().getString("message"))
                .setTitle(getArguments().getString("title"))
                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {

                    }
                })
                .create();
    }

    public static final void show(FragmentManager fragmentManager, String title, String message){
        if (fragmentManager==null) return;
        MessageDialog d = new MessageDialog();
        Bundle bundle = new Bundle();
        bundle.putString("title",title);
        bundle.putString("message",message);
        d.setArguments(bundle);
        d.show(fragmentManager, "MessageDialog");
    }
}