the-social-notebook-android/app/src/main/java/com/android_app/matan/ara/sagi/thesocialnotework/HeavyWorker.java

package com.android_app.matan.ara.sagi.thesocialnotework;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;

/**
 * Created by aranza on 7/2/2016.
 */
public class HeavyWorker extends AsyncTask<String, Context, Void> {

    private ProgressDialog progressDialog;
    private Context targetCtx;

    public HeavyWorker(Context context) {
        this.targetCtx = context;
        progressDialog = new ProgressDialog(targetCtx);
        progressDialog.setCancelable(false);
        progressDialog.setMessage("Retrieving data...");
        progressDialog.setTitle("Please wait");
        progressDialog.setIndeterminate(true);
    }

    @Override
    protected void onPreExecute() {
        progressDialog.show();
    }

    @Override
    protected Void doInBackground(String... params) {
        // Do Your WORK here

//        MainActivity ps = (MainActivity) targetCtx;
//        ps.getAllNotes();

        return null;
    }

    @Override
    protected void onPostExecute(Void result) {
        if (progressDialog != null && progressDialog.isShowing()) {
            progressDialog.dismiss();
        }
    }
}