Lifting code from RecyclerView to share

RecyclerView Child Runnable.java

// This is from Android's RecyclerView.Java file

/**
 * Note: this Runnable is only ever posted if:
 * 1) We've been through first layout
 * 2) We know we have a fixed size (mHasFixedSize)
 * 3) We're attached
 */
final Runnable mUpdateChildViewsRunnable = new Runnable() {
    @Override
    public void run() {
        if (!mFirstLayoutComplete || isLayoutRequested()) {
            // a layout request will happen, we should not do layout here.
            return;
        }
        if (!mIsAttached) {
            requestLayout();
            // if we are not attached yet, mark us as requiring layout and skip
            return;
        }
        if (mLayoutSuppressed) {
            mLayoutWasDefered = true;
            return; //we'll process updates when ice age ends.
        }
        consumePendingUpdateOperations();
    }
};