Use a variable to add the costs of premium features that are selected or deselected using an iOS switch component. See a video of how to do this step-by-step in this webinar: https://support.proto.io/hc/en-us/articles/115001585411-Model-advanced-prototypes-that-use-variables-part-II TAGS: variables variable math addition switch switches fire an items event

An example project which allows the user to designate the number of times the Star component Spins. Simulating a conditional animation loop according to the input of the user while using a total of 2 variables and a container with 3 states.

an app like uber but for long distances, the drivers sets the price and the riders choose the drivers

Zero inbox example using the 'Slide to Delete' pattern

An example of a date picker that can be imported and used in your project. (Basic use of variables) tags: calendar, picker, date picker

A halloween project i have put together using the Proto.io Halloween icon set: https://proto.io/freebies/free-halloween-icons/