public class TextViewCounter extends ViewAnimator {

  private int countTo = 0; // The number to count to
  private int counter = 0; // The current counter

  public TextViewCounter(Context context) {
    super(context);
    init();
  }

  public TextViewCounter(Context context, AttributeSet attrs) {
    super(context, attrs);
    init();
  }

  private void init() {
    if (getInAnimation() != null) {
      getInAnimation().setAnimationListener(new Animation.AnimationListener() {
        @Override
        public void onAnimationStart(Animation animation) {
          // No op
        }

        @Override
        public void onAnimationEnd(Animation animation) {
          if (counter <= countTo) {
            showNext();
          }
        }

        @Override
        public void onAnimationRepeat(Animation animation) {
          // No op
        }
      });
    }
  }

  public TextCounter countTo(int countTo) {
    this.countTo = countTo;
    return this;
  }

  public void start() {
    showNext();
  }

  @Override
  public void showNext() {
    int nextIndex = getDisplayedChild() + 1;
    if (nextIndex >= getChildCount()) {
      nextIndex = 0;
    }

    ((TextView) getChildAt(nextIndex)).setText(Integer.toString(counter++));
    super.showNext();
  }
}