ExampleConcreteSimpleTask.java

package com.foo.bar;

import android.os.AsyncTask;

public class LoadDrawingContentTask extends SimpleTask {

    private final Location location;

    public LoadDrawingContentTask(Location myLocation) {
      this.location = myLocation;
    }

    @Override
    protected Boolean background() {
        //do some long running task here, probably even show a progress dialog
        //store the results in another field in this class
        return true;
    }

    @Override
    protected void foreground() {
        //update the UI with the results
    }
}