How to create a "pop-up box" in PowerApps

in this post, let us see how to create a Pop-Up in Canvas App

required controls:

rectangular icon
label
buttons - 2

take a "rectangular icon" and make it screen size
update it's "Fill" - with RGBA(175, 191, 224, 0.5).
Take another "rectangular icon" and adjust it to center
Take "label" - and add required text (Eg: "do you want to proceed?")
Take two buttons. Update text of Button1 to "OK" and other to "Cancel"

On Click of the respective control (to open the pop-up), add this expression : UpdateContext({locOpenPopup:true})

select "cancel" and "ok" button and add UpdateContext({locOpenPopup:false}) on "OnSelect" property.

add appropriate actions on "cancel" and "ok" buttons as per the requirement along with UpdateContext({locOpenPopup:false})

select the controls added above (five controls) and go to their visible property, add - locOpenPopup

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