1# Setting the Timer and System Time 2 3### Introduction 4 5This sample shows how to use the **systemTime** and **setTimeout()** APIs to set the system time and timer. 6 7### Usage 8 9Touch the time picker, select a date and time, and touch the corresponding button to set the system time. 10 11Touch the countdown box, select the timer duration, and touch the button to start the timer. To cancel the timer, touch the cancel button. 12 13### Constraints 14 15This sample can only be run on standard-system devices. 16 17