The markup layer is a very convenient tool to draw ideas on maps and to keep track of data all in one place. When using one markup layer, there is no problems using the tool as it was designed. The problem comes when a user is switching between multiple markup layers. A user would want to use a different markup layer to keep track of different markups in the same location without them being connected. Once a user is done with one markup layer and wants to use a different markup layer, the map will zoom all the way out, and to get back to where the user was drawing, they would have to zoom back in. This circumstance occurs every time a user would switch between markup layers. It makes more sense to keep the screen where it is when switching between markup layers rather than zooming the screen out when switching between markup layers. I am not sure if this is a bug or is intended by Esri, but it would be a lot more convenient for the screen to stay where it is when switching between markup layers. This happens on the IPad mobile application.
