TargetFramework=net8.0-android33 gives poor error message

[jonathanpeppers]

Android application type

.NET Android (net8.0-android, etc.)

Affected platform version

.NET 8

Description

.NET 8 is API 34, so 33 is invalid, but you get a poor error message:

Error    NETSDK1181    Error getting pack version: Pack 'Microsoft.Android.Ref.33' was not present in workload manifests.
C:\Program Files\dotnet\sdk\8.0.100-preview.7.23376.3\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.Sdk.FrameworkReferenceResolution.targets

https://discord.com/channels/732297728826277939/732297916680765551/1151549736269119549

It would be nice if we could emit a better message here, so see what the .NET SDK expects us to do.

Steps to Reproduce

1. dotnet new android
2. Put 33.0 on the TargetFramework

Did you find any workaround?

Remove 33.0

Relevant log output

No response

[kpespisa]

I'm seeing this error even if I remove 33.0 from the target framework of an Android Java Library Binding project

<TargetFramework>net8.0-android</TargetFramework>

Can you provide any more details on why this error occurs? This is with RC2

[jonathanpeppers]

Can you share a .binlog of the build? https://aka.ms/binlog

[kpespisa]

Thank you! Your suggestion lead to a solution :)

I ran dotnet build in the terminal so I could add the -bl parameter, and the build succeeded. Apparently triggering a restore, or a build, from within VS for Mac isn't working and is "stuck" on version 33.0, but running dotnet build from terminal succeeds.

Here's the error I was getting in VS in case it helps someone else:

/usr/local/share/dotnet/sdk/8.0.100-rc.2.23502.2/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5) : error NETSDK1181: Error getting pack version: Pack 'Microsoft.Android.Ref.33' was not present in workload manifests. /usr/local/share/dotnet/sdk/8.0.100-rc.2.23502.2/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5) : error NETSDK1181: Error getting pack version: Pack 'Microsoft.Android.Ref.33' was not present in workload manifests. /usr/local/share/dotnet/sdk/8.0.100-rc.2.23502.2/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.FrameworkReferenceResolution.targets(90,5) : error NETSDK1181: Error getting pack version: Pack 'Microsoft.Android.Ref.33' was not present in workload manifests.

[jonathanpeppers]

VS Mac has a checkbox that allows it to use the .NET 8 SDK. Maybe it is confused and mixing .NET 7 and 8?

[kpespisa]

Good thought! Under Preferences > Preview Features, it was showing as selected. I unchecked the option, restarted, then selected the option, and restarted. The restore and build succeeds now.

[ziomek64]

Hello, I'm also getting this error. When upgrading maui from .net 7 to .net 8. I tried your solutions.. Anything I can try?

[wallym]

I am getting the same error as @ziomek64. I have run the "dotnet build" and "dotnet build -bl" commands in a terminal session, however, that did not solve the problem. I am in windows11 and the release vs 2022 as of November 14 and the released .net 8.

I went into my project file, and I noticed that the one of the target platforms was net8.0-android33.0. I changed this to net8.0-android34.0, and the error in VS has gone away. Fingers crossed that this solves the problem.

[plppp2001]

I am getting the same error as @ziomek64. I have run the "dotnet build" and "dotnet build -bl" commands in a terminal session, however, that did not solve the problem. I am in windows11 and the release vs 2022 as of November 14 and the released .net 8.

I went into my project file, and I noticed that the one of the target platforms was net8.0-android33.0. I changed this to net8.0-android34.0, and the error in VS has gone away. Fingers crossed that this solves the problem.

I did that but now I'm getting this following error:

Severity Code Description Project File Line Suppression State
Error XA1036 AndroidManifest.xml //uses-sdk/@android:minSdkVersion '24' does not match the $(SupportedOSPlatformVersion) value '21.0' in the project file (if there is no $(SupportedOSPlatformVersion) value in the project file, then a default value has been assumed).
Either change the value in the AndroidManifest.xml to match the $(SupportedOSPlatformVersion) value, or remove the value in the AndroidManifest.xml (and add a $(SupportedOSPlatformVersion) value to the project file if it doesn't already exist). CheapEaseMauiTaskApp C:\Program Files\dotnet\packs\Microsoft.Android.Sdk.Windows\34.0.43\tools\Xamarin.Android.Tooling.targets 100

[jonathanpeppers]

Error XA1036 AndroidManifest.xml //uses-sdk/https://github.com/android:minSdkVersion '24' does not match the
(SupportedOSPlatformVersion) value in the project file, then a default value has been assumed).

You can just remove the <uses-sdk/> element completely in .NET 6+. It can get those values from your .csproj instead.

If you want to set the minimum SDK version, you can do:

 <SupportedOSPlatformVersion>24</SupportedOSPlatformVersion>

This way you'll get the Roslyn analyzers that warn about Android APIs.

[plppp2001]

I am getting the same error as @ziomek64. I have run the "dotnet build" and "dotnet build -bl" commands in a terminal session, however, that did not solve the problem. I am in windows11 and the release vs 2022 as of November 14 and the released .net 8.
I went into my project file, and I noticed that the one of the target platforms was net8.0-android33.0. I changed this to net8.0-android34.0, and the error in VS has gone away. Fingers crossed that this solves the problem.

I did that but now I'm getting this following error:

Severity Code Description Project File Line Suppression State Error XA1036 AndroidManifest.xml //uses-sdk/@android:minSdkVersion '24' does not match the (SupportedOSPlatformVersion)value′21.0′intheprojectfile(ifthereisno(SupportedOSPlatformVersion) value in the project file, then a default value has been assumed). Either change the value in the AndroidManifest.xml to match the (SupportedOSPlatformVersion)value,orremovethevalueintheAndroidManifest.xml(andadda(SupportedOSPlatformVersion) value to the project file if it doesn't already exist). CheapEaseMauiTaskApp C:\Program Files\dotnet\packs\Microsoft.Android.Sdk.Windows\34.0.43\tools\Xamarin.Android.Tooling.targets 100

UPDATE I got net 8 maui update to compile, I have the following settings and it compiled ( not sure if it will work or if this is correct for MAUI 8):

[jonathanpeppers]

@plppp2001 I would change net8.0-android34.0 to just net8.0-android so you don't have to fight this next year.

[plppp2001]

@plppp2001 I would change net8.0-android34.0 to just net8.0-android so you don't have to fight this next year.

This worked, thank you. Net 8 is going...

[echolumaque]

@plppp2001 I would change net8.0-android34.0 to just net8.0-android so you don't have to fight this next year.

Worked for me too, thanks!

[rgroenewoudt]

Same issue but I don't want the app targeted at API 34 so I'm keeping the < used-sdk >.

Also I'm getting an other warning during the build:
The TargetFrameworkVersion (Android API level 34) is higher than the targetSdkVersion (33). Please increase the `android:targetSdkVersion` in the `AndroidManifest.xml` so that the API levels match.

[ziomek64]

Same issue but I don't want the app targeted at API 34 so I'm keeping the .

Also I'm getting an other warning during the build:
The TargetFrameworkVersion (Android API level 34) is higher than the targetSdkVersion (33). Please increase the `android:targetSdkVersion` in the `AndroidManifest.xml` so that the API levels match.

Check manifest

[plppp2001]

Same issue but I don't want the app targeted at API 34 so I'm keeping the .

Also I'm getting an other warning during the build:
The TargetFrameworkVersion (Android API level 34) is higher than the targetSdkVersion (33). Please increase the `android:targetSdkVersion` in the `AndroidManifest.xml` so that the API levels match.

You can just remove the  element completely in .NET 6+. It can get those values from your .csproj instead. in the ANDROIDMANIFEST.XML FILE

[AlexNik4]

If .NET 8 is incompatible with older SDKs the UI should really prevent this scenario and not generate invalid csproj

[jonathanpeppers]

@AlexNik4 they've already fixed this in the next 17.9 Preview. Thanks, though!

Private repo, but the change is here: https://github.com/xamarin/XamarinVS/pull/14329

[aqua-ix]

Does <uses-sdk android:targetSdkVersion="33" /> in AndroidManifest.xml override the default target 34 of net8.0-android in .csproj?

Also, compileSdk and targetSdk can be set in the build.gradle of an Android native app, but is it correct to assume that the following will work in a .NET Android app?

• compileSdk: Value specified in <TargetFramework> of .csproj
• targetSdk: Value specified in <uses-sdk/> of AndroidManifest.xml

[jonathanpeppers]

@aqua-ix I believe the answer is "yes" to all your questions.

However, I would usually completely omit <uses-sdk/> from projects and let the Android workload specify the values for you. If you set SupportedOSPlatformVersion=21 in your project, it enables Roslyn analyzers and sets minSdkVersion for you.

[AlleSchonWeg]

Hi @jonathanpeppers
I'm a bit confused with these settings. In XF i set android:minSdkVersion and android:targetSdkVersion in the manifest file (AndroidManifest.xml). It can be changed via the android manifest tab in the android project. I can also change the "Compile using android framework" in the Application tab.
In MAUI the <uses-sdk/> is created from he csproj file.
Now i have this warning:

XA1006: The TargetFrameworkVersion (Android API level 34) is higher than the targetSdkVersion (28). Please increase the android:targetSdkVersion in the AndroidManifest.xml so that the API levels match.

Is the TargetFrameworkVersion API 34 in .Net 8? Is this the same as "Compile using android framework" in XF?
And where comes the targetSdkVersion (28) from? Is this also a default MAUI value?

In MAUI i can set "Target Android Framework" under the Application / Android targets tab. Is this the targetSdkVersion value for the manifest file?

Thank you

[jonathanpeppers]

Can you share an example of what your <uses-sdk/> looks like? What do you have set for TargetFramework(s) and SupportedOSPlatformVersion?

I would recommend what the project templates do:

• Delete the <uses-sdk/> element
• TargetFramework=net8.0-android
• SupportedOSPlatformVersion=21

The various project options pages & manifest editor might simply be outdated. We can file something with IDE teams to look into this.

And if you want to do something else, maybe what are you trying to do?

[AlleSchonWeg]

Can you share an example of what your <uses-sdk/> looks like? What do you have set for TargetFramework(s) and SupportedOSPlatformVersion?

I would recommend what the project templates do:

• Delete the <uses-sdk/> element
• TargetFramework=net8.0-android
• SupportedOSPlatformVersion=21

The various project options pages & manifest editor might simply be outdated. We can file something with IDE teams to look into this.

And if you want to do something else, maybe what are you trying to do?

My XF <uses-sdk/>has this values:
<uses-sdk android:minSdkVersion="24" android:targetSdkVersion="32" />
And MAUI (generated manifest from ..\obj\Debug\net8.0-android\AndroidManifest.xml) this value:
<uses-sdk android:minSdkVersion="24" />

In the csproj file:

<TargetFrameworks>net8.0-android;net8.0-ios</TargetFrameworks>
<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">24.0</SupportedOSPlatformVersion>

And the settings from the project properties:

I'm trying to add the android:targetSdkVersion="32" attribute to the generated manifest.

Thanks again

[jonathanpeppers]

Why can't you just remove <uses-sdk/> everywhere?

We have this documented here: https://learn.microsoft.com/en-us/dotnet/maui/migration/android-projects?view=net-maui-8.0#changes-to-androidmanifestxml

[AlleSchonWeg]

I have removed <uses-sdk/> everywhere. Here is my AndroidManifest.xml in the Platforms/Android folder:

<?xml version="1.0" encoding="utf-8"?>
<manifest android:installLocation="auto" xmlns:android="http://schemas.android.com/apk/res/android">
	<application android:allowBackup="true" android:fullBackupContent="@xml/backup_rules" android:dataExtractionRules="@xml/backup_rules_api31" android:localeConfig="@xml/locales_config" android:supportsRtl="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round">
		<meta-data android:name="com.google.firebase.messaging.default_notification_icon" android:resource="@drawable/PushNotificationAndroid" />
	</application>
	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
	<uses-permission android:name="android.permission.INTERNET" />
	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
</manifest>

At compile time Maui generates this <uses-sdk/> node:

 <uses-sdk android:minSdkVersion="24" />

The android:minSdkVersion is ok. But no android:targetSdkVersion. If i read the docs correctly than TargetFramework net8.0-android should generate android:targetSdkVersion. Or i misunderstood something?

[plppp2001]

I removed that, works like a charm. Net8 Maui. www.PaulAstramowicz.com

…

________________________________ From: Jonathan Peppers ***@***.***> Sent: Wednesday, January 10, 2024 6:54:48 PM To: xamarin/xamarin-android ***@***.***> Cc: Paul Astro ***@***.***>; Mention ***@***.***> Subject: Re: [xamarin/xamarin-android] `TargetFramework=net8.0-android33` gives poor error message (Issue #8331) Why can't you just remove <uses-sdk/> everywhere? We have this documented here: https://learn.microsoft.com/en-us/dotnet/maui/migration/android-projects?view=net-maui-8.0#changes-to-androidmanifestxml — Reply to this email directly, view it on GitHub<#8331 (comment)>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/AK2EVSWPWPEGDYRHA4TEDEDYN3IWRAVCNFSM6AAAAAA4WXNV3WVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTQOBVGM2DKMBRHE>. You are receiving this because you were mentioned.Message ID: ***@***.***>

[jonathanpeppers]

@AlleSchonWeg how are you looking at the AndroidManifest.xml file? Are you opening the .apk file in Android Studio? AS can "decompile" an .apk and show you the final AndroidManifest.xml contents from the binary format.

aapt2 should emit targetSdkVersion no matter what, Android requires it for the final app.

[AlleSchonWeg]

@AlleSchonWeg how are you looking at the AndroidManifest.xml file? Are you opening the .apk file in Android Studio?

No. I just open it with notepad++. The one located in the .\obj\Debug\net8.0-android\ folder.

[jonathanpeppers]

Yes, that is not the final one. Are you wanting to the the value to something other than the default? Is something not working?

[AlleSchonWeg]

Yes, that is not the final one. Are you wanting to the the value to something other than the default? Is something not working?

Ah ok. I thought this was the final one. aapt2 shows the the correct targetSdkVersion

E: uses-sdk (line=9)
        A: http://schemas.android.com/apk/res/android:minSdkVersion(0x0101020c)=24
        A: http://schemas.android.com/apk/res/android:targetSdkVersion(0x01010270)=34

Now i understand how this works.
One last question: Is it possible to view the final AndroidManifest.xml somewhere in the obj or bin forders? Just to verify if all my settings correctly merged.

Thank you

[jonathanpeppers]

The .apk is the source of truth. You might try the apkanalyzer tool from the Android SDK's cmdline-tools. Checkout the View information in the manifest section:

• https://developer.android.com/tools/apkanalyzer

[AlleSchonWeg]

I tested a bit more. The warning i mentioned earlier:

XA1006: The TargetFrameworkVersion (Android API level 34) is higher than the targetSdkVersion (28). Please increase the android:targetSdkVersion in the AndroidManifest.xml so that the API levels match.

happens when the targetSdkVersion is set to 28 from maui. Maui set 28 in the apk if in the platforms/android/AndroidManifest.xml file is an empty <uses-sdk/> node. Like this:

<?xml version="1.0" encoding="utf-8"?>
<manifest android:installLocation="auto" xmlns:android="http://schemas.android.com/apk/res/android">
	<application android:allowBackup="true" android:fullBackupContent="@xml/backup_rules" android:dataExtractionRules="@xml/backup_rules_api31" android:localeConfig="@xml/locales_config" android:supportsRtl="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round">
		<meta-data android:name="com.google.firebase.messaging.default_notification_icon" android:resource="@drawable/PushNotificationAndroid" />
	</application>
	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
	<uses-permission android:name="android.permission.INTERNET" />
	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
	<uses-sdk />
</manifest>

Completely remove the empty node generated value 34.

[divil5000]

I am running into this issue. The error message (from the original post) is below, and is completely unhelpful because it does not tell me what to do, in order to fix the error. I don't know what a workload manifest is or how to add anything to it.

Error getting pack version: Pack 'Microsoft.Android.Ref.33' was not present in workload manifests

I am in the process of upgrading our widespread and popular app from Xamarin to net8.0-android. I understand that by default, .net 8 sets the target OS version to 34. However, since our app hasn't yet been proved compatible with the Android OS changes that take effect when apps say they target version 34, I wish to leave this as 33 for the time being. However, I cannot build with it set to 33, I receive the error above.

I can leave the property property set to 34 but include in the manifest file. It's not clear whether this works or not (from the perspective of Android then considering our app to be targetting OS 33) but that then generates its own compiler warning:

Warning XA4211 AndroidManifest.xml //uses-sdk/@android:targetSdkVersion '33' is less than $(TargetFrameworkVersion) ''. Using API-34 for ACW compilation.

In short, our project needs to be built using the latest tools, specify a minimum Android version of 21, and a target Android version of 33, and have no errors or warnings during a build.

[jonathanantoine]

@divil5000 as a workaround you can still target net7 and use this in your csproj :
<TargetFrameworks>net7.0-android33.0</TargetFrameworks>

[divil5000]

I could, but then presumably miss out on all that .net 8 has to offer.

Is this actually an acknowledged bug then? Did Microsoft simply not realise that people would wish to compile using the latest SDKs but that OS targeting is different? I keep hoping that I've simply misunderstood something.

[dellis1972]

So for Android if you use the TargetFramework that is controlling what your app is Compiled against.

I think what you actually want is to add the following to your AndroidManifest.xml

<uses-sdk android:targetSdkVersion="33" />

In .net 6/7/8+ the MSBuild property SupportedOSPlatformVersion controls the android:minSdkVersion.
TargetFramework(s) will control BOTH android:targetSdkVersion and android:compileSdkVersion unless android:targetSdkVersion is provided in the AndroidManifest.xml already.

adding the API level to the end of net8.0-android (e.g net8.0-android33.0) will mean you compile aginst that API level. I think the plan is as we move forward we will only support compiling against the latest API level as we do the .net SDK (@jonpryor correct me if I'm wrong here). So .net 8 will only allow compiling against API 34, .net 7 API 33, .net 9 API 34 or 35 depending on when the next stable API level is released by google.

So to sum up.

minSdkVersion is the minimum platform you support.
compileSdkVersion is what your compiled agsinst.
targetSdkVersion is what your API Level app Supports, this can be different from compileSdkVersion since you can use runtime checks to see which API level you are on.

If you want to compiled against API 34 but target API 33 you will get the following warning.

warning XA1006: The TargetFrameworkVersion (Android API level 34) is higher than the targetSdkVersion (33). Please increase the android:targetSdkVersionin theAndroidManifest.xml so that the API levels match.

in an ideal world these should match, this is something google recommends. This is why this warning exists. If you do not want to see this you might be able to disable the warning via the <NoWarn/> MSbuild element

<NoWarn>XA1006;XA4211</NoWarn>

I'm pretty sure @jonathanpeppers or @jonpryor will correct me if I'm wrong on any of this.

[divil5000]

Thanks Dean for that comprehensive explanation. I am glad my understanding was approaching what you said.

As regards your last paragraph, Google is clearly pretending it lives in an ideal world, whereas most of us do not. There shouldn't be a warning for developers who haven't managed to go through the whole develop/test process of targeting the next API version yet. Updating one's build tools (as I am currently in the process of doing) is a different job to re-targeting one's app to the next OS version.

It sounds like I'm ok at the moment with my entry to explicitly target API 33 while building against API 34. I just object to the warning :)

[jonathanantoine]

Thanks for the explanation as it was not this clear in the documentation @dellis1972

[crwsolutions]

You can just remove the <uses-sdk/> element completely in .NET 6+. It can get those values from your .csproj instead.

<uses-sdk/> keeps being added by Visual studio's (Version 17.9.0) new dedicated manifest editor (if you touch and save some other value).