Timer deletion Problem while closing an app in app designer

Hello all

I have created an app with a button using app designer, which on button click will create a timer. This timer will invoke a function after specified delay.However when i close the app ,MATLAB is automatically deleting the running timer object.How can i run the timer even after closing the app?

Kindly help.Thanks in advance

function buttonclick_callback()
delay_seconds=10000;
tmr = timer('Name','delay_timer','TimerFcn',@(~,~)upload_status,'StartDelay',delay_seconds);
start(tmr)
end

Answer 1

[Harshavardhan]

Hi @Venkata Sai Sampath Pavan Kumar Rachumallu

I see that you are trying to create a timer, when a button is pressed in an app using app designer, which continues to run even after the app is closed.

To make the timer object persist you can use the function “assignin” to shift the timer object from the function’s workspace to the base workspace.

assignin('base','persistent_timer',tmr);

For the version specific documentation of “assignin” you can type the following line in a MATLAB command window.

doc assignin

Hope this helps.