code: private void initProgressBar() {
          mMax = 100;
          mProgress = 0;
          mSecondaryProgress = 0;
          mIndeterminate = false;
          mOnlyIndeterminate = false;
          mDuration = 4000;
          mBehavior = AlphaAnimation.RESTART;
          mMinWidth = 24;
          mMaxWidth = 48;
          mMinHeight = 24;
          mMaxHeight = 48;
      }
docs: <p>
  Initialize the progress bar's default values:
  </p>
  <ul>
  <li>progress = 0</li>
  <li>max = 100</li>
  <li>animation duration = 4000 ms</li>
  <li>indeterminate = false</li>
  <li>behavior = repeat</li>
  </ul>