Android Question Transparent app event pass-through?

mr23

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Is it possible with B4a to have a service create a transparent [overlay] over any running (separate) application, yet pass through all screen touches to the application below ?
I've found the threads about making an application panel transparent, but nothing about events passing from/through the B4a application. [And subsequently determined a service would be used to install the overlay].

This isn't for any nefarious purpose...

[Edit: updated after further research into what Android supports.]
 
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mr23

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I did some additional searching and reading, including this. I'm basically looking for this android capability. There is a System Alert window capability, and LayoutParams TYPE_SYSTEM_OVERLAY, TYPE_SYSTEM_ALERT and FLAG_NOT_FOCUSABLE. Plus the ability to to pass events through to an underlying app.

If the only way to get there is the StandOut lib, why isn't this part of B4A like clsFloatingWindow?
 
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