Xamarin
A Microsoft open-source app platform for building Android and iOS apps with .NET and C#.
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Updated to Android 12 SDK - specify an explicit value for `android:exported
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 74%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAB%3C/text%3E%3C/svg%3E)
Alexander Blohmé
1
Reputation point
I updated to Android 12 and suddenly got this strange error:
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/AndroidManifest.xml(5,5): Error AMM0000: /Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/169/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.installations' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/167/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.components' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/73/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.datatransport' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/80/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.analytics.connector' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/95/jl/AndroidManifest.xml Warning:
Namespace 'com.google.android.gms.base' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/168/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/75/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.encoders.json' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/166/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.installations.interop' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/172/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.messaging' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/163/jl/AndroidManifest.xml Warning:
Namespace 'com.google.android.gms.cloudmessaging' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/159/jl/AndroidManifest.xml Warning:
Namespace 'com.google.android.gms.common' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/102/jl/AndroidManifest.xml Warning:
Namespace 'com.google.android.gms.tasks' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/77/jl/AndroidManifest.xml Warning:
Namespace 'com.google.firebase.iid.internal' used in: AndroidManifest.xml, AndroidManifest.xml.
/Users/alex/Projects/Projects/MyNewProject/MyNewProject.Android/obj/Debug/lp/161/jl/AndroidManifest.xml Warning:
Namespace 'com.google.android.gms.stats' used in: AndroidManifest.xml, AndroidManifest.xml.
android:exported needs to be explicitly specified for element <service#com.MyNewProject.MyNewProject.Firebaseservices>. Apps targeting Android 12 and higher are required to specify an explicit value for `android:exported` when the corresponding component has an intent filter defined. See https://developer.android.com/guide/topics/manifest/activity-element#exported for details.
Directory 'obj/Debug/lp/169' is from 'firebaseinstallations-17.0.2.aar'.
Directory 'obj/Debug/lp/167' is from 'firebasecomponents-17.0.1.aar'.
Directory 'obj/Debug/lp/73' is from 'Xamarin.Firebase.Datatransport.dll'.
Directory 'obj/Debug/lp/80' is from 'Xamarin.Firebase.Measurement.Connector.dll'.
Directory 'obj/Debug/lp/95' is from 'Xamarin.GooglePlayServices.Base.dll'.
Directory 'obj/Debug/lp/168' is from 'firebasecommon-20.1.2.aar'.
Directory 'obj/Debug/lp/75' is from 'Xamarin.Firebase.Encoders.JSON.dll'.
Directory 'obj/Debug/lp/166' is from 'firebaseinstallationsinterop-17.0.2.aar'.
Directory 'obj/Debug/lp/172' is from 'firebasemessaging-23.0.8.aar'.
Directory 'obj/Debug/lp/163' is from 'playservicescloudmessaging-17.0.2.aar'.
Directory 'obj/Debug/lp/159' is from 'playservicesbasement-18.1.0.aar'.
Directory 'obj/Debug/lp/102' is from 'Xamarin.GooglePlayServices.Tasks.dll'.
Directory 'obj/Debug/lp/77' is from 'Xamarin.Firebase.Iid.Interop.dll'.
Directory 'obj/Debug/lp/161' is from 'playservicesstats-17.0.3.aar'. (AMM0000) (MyNewProject.Android) java
I did trie to set exported:true but it didn't work
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 6%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELL%3C/text%3E%3C/svg%3E)
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 72,336 Reputation points Microsoft Vendor2022-10-27T03:14:36.957+00:00 Where did you add the
exported:trueattribute? Based on your error, you need to add the attribute in the[Service ]tag like following code. If you added it, please close your application, delete all ofbinandobjfolders in your project, reopen and rebuild it.[Service (Exported =true)] [IntentFilter(new[] { "com.google.firebase.INSTANCE_ID_EVENT" })] public class MyFirebaseIIDService : FirebaseInstanceIdService { const string TAG = "MyFirebaseIIDService"; public override void OnTokenRefresh() { var refreshedToken = FirebaseInstanceId.Instance.Token; Log.Debug(TAG, "Refreshed token: " + refreshedToken); SendRegistrationToServer(refreshedToken); } void SendRegistrationToServer(string token) { // Add custom implementation, as needed. } } -
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 49%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIT%3C/text%3E%3C/svg%3E)
Ivan Teles - iDev Web 1 Reputation point2023-11-30T15:06:03.7066667+00:00 I have the same problem. I added [Service(Exported = false)] to my class and still the error continues and it doesn't compile
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