Plugin.MediaManager 产生“未知选项”错误

Question

on starting a new xamarin forms project and just adding Plugin.MediaManager.Forms v1.1.1 then rebuilding it produces error:

Unknown option -RC:\Users\Hp..\flat\values-en-rIN_values-en-rIN.arsc.flat . Please check $(AndroidAapt2CompileExtraArgs) and $(AndroidAapt2LinkExtraArgs) to see if they include any aapt command line arguments that are no longer valid for aapt2 and ensure that all other arguments are valid for aapt2 .

The Line CrossMediaManager.Current.Init(); has been added in constructor. The error occurs only if i add MediaManager. Ive tried with MediaManager 0.9.7 till 1.1.1 No improvement

Earlier with VS2019 it was working fine.

Answer 1

Issue

The new Android aapt2 resource tool has different commandline arguments to the older aapt tool. These are generally incompatible with each other.

Solution

If you are receiving this error, check that the values provided in

<AndroidAapt2LinkExtraArgs/>
<AndroidAapt2CompileExtraArgs>

are valid for aapt2. You can use aapt2 compile and aapt2 link to view the list of valid arguments.

Answer 2

finally i got it enter the following in the Android csproj file

<PackageReference Include="Xamarin.AndroidX.MediaRouter" Version="1.2.0" />
<PackageReference Include="Xamarin.AndroidX.Palette" Version="1.0.0.5" />
 
 ...

in the item group which contains xamarin.forms, xamarin.essentials etc