Android Open Source - UK-Weather-repo Async Task With Progress Bar

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Back to project page UK-Weather-repo.

License

The source code is released under:

Apache License

Java Source Code

package com.haringeymobile.ukweather.utils;
// www. j  a va2s.c o m
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.os.AsyncTask;

import com.haringeymobile.ukweather.R;

/**
 * A task that shows a circular progress bar and the "loading" message while
 * executing.
 */
public abstract class AsyncTaskWithProgressBar<Params, Progress, Result>
    extends AsyncTask<Params, Progress, Result> {

  private Context context;
  private ProgressDialog progressDialog;

  public AsyncTaskWithProgressBar<Params, Progress, Result> setContext(
      Context context) {
    this.context = context;
    return this;
  }

  @Override
  protected void onPreExecute() {
    super.onPreExecute();
    if (context != null) {
      progressDialog = new ProgressDialog(context);
      progressDialog.setMessage(context.getResources().getString(
          R.string.loading_message));
      progressDialog.setIndeterminate(false);
      progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
      progressDialog.setCancelable(true);
      progressDialog.setOnCancelListener(new OnCancelListener() {
        
        @Override
        public void onCancel(DialogInterface arg0) {
          progressDialog.dismiss();
        }
      });
      
      progressDialog.show();
    }
  }

  @Override
  protected void onCancelled() {
    super.onCancelled();
    if (progressDialog.isShowing()) {
      progressDialog.dismiss();
    }
  }

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

}

Java Source Code List

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