BaseAsyncTask

gistfile1.txt

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

public abstract class BaseAsyncTask<Params, Progress, Result> extends
  	AsyncTask<Params, Progress, Result> {
	private ProgressDialog progressDialog;
	private Context context;

	public BaseAsyncTask(Context context) {
		this.context = context;
		progressDialog = new ProgressDialog(this.context);
	}

	@Override
	protected void onPreExecute() {
		super.onPreExecute();
		progressDialog.setCancelable(true);
		progressDialog.setMessage("Loading...");
		progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
		progressDialog.setProgress(0);
		progressDialog.show();
	}

	protected void onPostExecute(Result result) {
		super.onPostExecute(result);
		progressDialog.dismiss();
	}
}