protected void onVisibilityChanged()

in shimmer/src/main/java/com/facebook/shimmer/ShimmerFrameLayout.java [151:168]


  protected void onVisibilityChanged(View changedView, int visibility) {
    super.onVisibilityChanged(changedView, visibility);
    // View's constructor directly invokes this method, in which case no fields on
    // this class have been fully initialized yet.
    if (mShimmerDrawable == null) {
      return;
    }
    if (visibility != View.VISIBLE) {
      // GONE or INVISIBLE
      if (isShimmerStarted()) {
        stopShimmer();
        mStoppedShimmerBecauseVisibility = true;
      }
    } else if (mStoppedShimmerBecauseVisibility) {
      mShimmerDrawable.maybeStartShimmer();
      mStoppedShimmerBecauseVisibility = false;
    }
  }