a sample AsyncTask for Android

SampleTask.java

SampleTask task = new SampleTask(this);
task.execute(stringValues);

//check task status
if(task.getStatus() != AsyncTask.Status.FINISHED) {
	if(!task.isCancelled) {
		//call SampleTask.onCancelled()
		task.cancel();
	}
}

public class SampleTask extends AsyncTask<String, Integer, Object> {

	//fields	
	private ProgressDialog mProgressDialog;

	//constructors
	public SampleTask() {
	}
		
	@Override
	protected void onPreExecute() {
		 super.onPreExecute();
	}
	
	@Override
	protected Object doInBackground(String... stringValues) {
		//for onProgressUpdate()
		Integer progress = 10;
		publishProgress(progress);
	
		return result;
	}
	
	@Override
	protected void onPostExecute(Object result) {
		super.onPostExecute(result);
	}
	
	@Override
	protected void onProgressUpdate(Integer... progress) {
		mProgressDialog.setProgress(progress[0]);
	}
	
	@Override
	protected void onCancelled() {
		super.onCancelled(); 
	}
}