Whatsapp is not installed, Activity Starter Resolve Activity method returns empty string

[Taifun]

I now tested example 2 on an Android 11 device and can confirm the issue...
I also tested example 1 to open WhatsApp, this still works after ignoring the ResolveActivity method

there already is a bug report here

ActivityStarter1.ResolveActivity always returns an empty string in Android 11

I have two AI2 apps (ie app A and app B). Shortly after startup, app A looks to see if app B is installed (not running, just installed). If app B is not installed, a particular tinyDB tag is set to '5'. If app B is installed, that same tinyDB tag is set to '0'. [blocks] App A never, ever, ever needs to start app B. App A only needs to know that app B is installed. My search of forum topics indicated that in Android 11, ActivityStarter1.ResolveActivity always returns an empty string (in m…

try the sharing extension and its Whatsapp method...

App Inventor Extensions: Sharing | Pura Vida Apps

I just tested it... however it works for Whatsapp text messages only...
for files I get a notifier "data format is not supported"... it looks like I will have to take a look...

there are also other Whatsapp extensions available... you can find them after doing a search in the extensions directory here App Inventor Extensions | Pura Vida Apps

Taifun