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support screens: smallscreens androidmanifest

hello wikiTeam

i ve got a problem in building my test on android (P10)

i ve got some errors in gradle process . the first error was 

"The attributesuppports-screens@smallsscreens=true in : unity Libray  collides with another value"

i ve finda solution in deleted all the supports-screens section in the android manifest . a bit extrem isn't it . but seems bypass this first black point 

after aive got a problem with SDK . i ve upgrade it to API level 21 ( originally to 19 in the unity default project  )

and finally i ve got permission issue. my mobile phone doesn't launch webcam . 

i ve gave a manually permission to the app . finally webcam go on  .

But the recoginition doesn't works at all . no happen .  

do you have an advice about my forst error . or maybe ive missed something . 

thank you .

Hi Giovanni,

Could you please provide the following details:

  • Which version of the SDK are you using?
  • Are you working with our Professional or Expert Edition of the Unity plugin?
  • What Unity version are you using?
  • Is this happening with the sample app or in your own app? If it happens with your own app, does the sample app setup work on your device if you follow the setup guide?
  • What exact permission error do you get and did you compare the settings with the sample app?
  • As you mention that the recognition doesn't work - do you get any error messages?

Thx and greetings


hello Nicola

thank you for your very quickreply 

i have imported  your asset directly in my data project . 

i tried with sample project in my base of work .

i come back to you soon 

thank you 


This was fixed with SDK version 9.4. If the issue appears in older versions, modifying the entry android:smallScreens to be true in the AndroidManifest.xml in Assets/Plugins/Android will help.

Kind regards,

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