REST Diaglog Class for Android

RestDialogFragment.java

package com.webninja.usjr.rest;

import android.app.Dialog;
import android.app.DialogFragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager.LayoutParams;
import android.widget.Button;
import android.widget.IconTextView;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.joanzapata.android.iconify.Iconify;
import com.webninja.usjr.R;

/**
 * Created by webninja on 1/25/15.
 */
public class RestDialogFragment extends DialogFragment {


    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout to use as dialog or embedded fragment
        View view = inflater.inflate(R.layout.rest_dialog, container, false);
        //setStyle(DialogFragment.STYLE_NO_TITLE, R.style.MyDialog);


        TextView msg = (TextView) view.findViewById(R.id.message);
        msg.setText(getArguments().getString("message"));


        return view;
    }

    /** The system calls this only when creating the layout in a dialog. */
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // The only reason you might override this method when using onCreateView() is
        // to modify any dialog characteristics. For example, the dialog includes a
        // title by default, but your custom layout might not need it. So here you can
        // remove the dialog title, but you must call the superclass to get the Dialog.
        Dialog dialog = super.onCreateDialog(savedInstanceState);
        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        return dialog;
    }


    @Override
    public void onResume() {
        ViewGroup.LayoutParams params = getDialog().getWindow().getAttributes();
        params.width = LayoutParams.MATCH_PARENT;
        params.height = LayoutParams.WRAP_CONTENT;
        getDialog().getWindow().setAttributes((LayoutParams) params);
        super.onResume();
    }

    public static RestDialogFragment newInstance(String message) {
        RestDialogFragment f = new RestDialogFragment();
        Bundle args = new Bundle();
        args.putString("message", message);
        f.setArguments(args);
        return f;
    }

    public void setData(String message,Boolean isError){
        try{

            TextView msg = (TextView) getView().findViewById(R.id.message);
            ProgressBar progressBar = (ProgressBar) getView().findViewById(R.id.progressBar);
            Button okayBtn = (Button) getView().findViewById(R.id.okay);
            IconTextView icon = (IconTextView) getView().findViewById(R.id.icon);
            if(isError){
                Iconify.addIcons(icon);
                icon.setVisibility(View.VISIBLE);
                //okayBtn.setVisibility(View.VISIBLE);
                this.setCancelable(true);

            }else{
                progressBar.setVisibility(View.VISIBLE);

            }

            msg.setText(message);
        }catch (NullPointerException e){

        }
    }


}