If you need to get the Y position of a vertically scrolling container, create a text box. Then on the container scroll trigger, set a variable that evaluates the numerical callback value from the event (Y position). Then add a callback that changes the text property of the text box by reading from the variable.

An example of a sticky scrolling sidebar (website)

Currently a work in progress minimal Alarm clock app for Android. Some, but not all, buttons work.

This is an example of a Navigation Bar that disappears on any downward scroll and re-appears on on any upward scroll.

Our product from the latest Startup Weekend in HEC Montreal - Shared Economy (March 2016) This is your AirBnB for roommates. As most similar platforms focus on linking people to spaces, we focused our design in linking people to spaces and lifestyle. For each result shown, you will be able to quickly identify the % you match based on 10 carefully selected lifestyle criteria. As an added feature, you can identify the % match for each person living in the space. Moreover, we provided an opportunity to people with spaces to take the initiative in connecting to potential seekers. Closing the loop on the shared economy ecosystem.

The Virtual Fashion Assistant is an interactive screen designed to sit in the change room of a clothing store and help customers try variations or accessories to complete the look without leaving the change room – a store assistant brings you the items. The goal is the customer tries and buys more clothes. The interface has been designed to be display a 55 inch touch screen display.