Package Checker Without Extension

Hi everyone,

Can anyone suggest me how can i use package name checker to prevent hacking.

Lots of users, use parralel space to clone the app. Now i want to set a notificaation if com.parralel space is installed app will not run rather it will show a notification.

Previously I used Kuszab extension but i know it can be done without extension… So any guide?

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component is available to check the package…
Use it…

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Can you show me with blocks and example?

Use Package component…


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No parallel space don’t have device id i think