Android license status unknown !!!!

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Bened

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Feb 20, 2020, 8:17:03 PM2/20/20
to Flutter Development (flutter-dev)
I have accepted all the licences and suddenly they are 'forgotten'.....
Does anyone know how to solve this problem? Where does it come from? What is missing? What is the best way in 2020 to solve this problem?


Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel dev, v1.15.3, on Microsoft Windows [version 10.0.18363.657], locale fr-FR)
[!] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
    X Android license status unknown.
      Try re-installing or updating your Android SDK Manager.
[√] Android Studio (version 3.5)
[√] Connected device (1 available)



flutter doctor --android-licenses
A newer version of the Android SDK is required. To update, run:
C:\xxxxx\tools\bin\sdkmanager --update


flutter doctor --android-licenses -v
A newer version of the Android SDK is required. To update, run:
C:\xxxxxx\tools\bin\sdkmanager --update

#0      throwToolExit (package:flutter_tools/src/base/common.dart:14:3)
#1      AndroidLicenseValidator.runLicenseManager (package:flutter_tools/src/android/android_workflow.dart:365:7)
#2      Doctor.diagnose (package:flutter_tools/src/doctor.dart:245:38)
#3      DoctorCommand.runCommand (package:flutter_tools/src/commands/doctor.dart:58:39)
#4      FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:668:18)
#5      _rootRunUnary (dart:async/zone.dart:1134:38)
#6      _CustomZone.runUnary (dart:async/zone.dart:1031:19)
#7      _FutureListener.handleValue (dart:async/future_impl.dart:140:18)
#8      Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#9      Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#10     Future._completeWithValue (dart:async/future_impl.dart:526:5)
#11     Future._asyncComplete.<anonymous closure> (dart:async/future_impl.dart:556:7)
#12     _rootRun (dart:async/zone.dart:1126:13)
#13     _CustomZone.run (dart:async/zone.dart:1023:19)
#14     _CustomZone.runGuarded (dart:async/zone.dart:925:7)
#15     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:965:23)
#16     _microtaskLoop (dart:async/schedule_microtask.dart:43:21)
#17     _startMicrotaskLoop (dart:async/schedule_microtask.dart:52:5)
#18     _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
#19     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)


sdkmanager --update in a flutter app
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/X
mlSchema
        at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaMo
dule.java:156)
        at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
        at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.
java:81)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73

sdkmanager --update in an android app
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
        at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
        at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
        at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:602)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
        ... 5 more

This is really a serious problem. 

ABADA SAMUEL

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Feb 21, 2020, 3:43:04 AM2/21/20
to Bened, Flutter Development (flutter-dev)
Someone had a similar issue in my local fluuter group. Here is how he resolved it: updating the android sdk platform tools, after that he ran "flutter upgrade". That seemed to fix it.

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Benedicte Roussel

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Feb 23, 2020, 4:48:53 PM2/23/20
to ABADA SAMUEL, Flutter Development (flutter-dev)

Soporte Tecnico

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Mar 2, 2020, 7:39:14 PM3/2/20
to Flutter Development (flutter-dev)
Hello! I was in the same problem, what I do is this:

first check if you can continue with: 'flutter doctor --android-licenses' if the message is that sdk manager is not installed then...

go to Android Studio -> Preferences -> Appearance and Behavior -> System Settings, Android SDK -> SDK Tools - Unckeck 'Hide Obsolete Packages' and 

install 'Android SDK Platform Tools' re-run 'flutter doctor --android-licenses' and continue
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