A Picker selection navigates you to the screen selected. The project uses Variables and States and depending on the picker selection I change a button state to navigate you to the right screen.

Fidelity Prototype for ITEC 752.

A very basic Calendar example project using Containers a few states and 1 variable to track the year.

3 different counters using variables 1. A standard counter 2. A counter from the number of seconds the user sets 3. A countdown