Java lang securityexception no active admin componentinfo

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BasicManagedProfile sample not working on Android 10 #28

BasicManagedProfile sample not working on Android 10 #28

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While the sample woks flawlessly on Android 8.1, on Android 10 the creation of a Work Profile stars anc completes but no DEVICE_ADMIN_ENABLED event is never captured by the BasicDeviceAdminReceiver.
As a consequence the Work Profile is never enabled.

EDIT: adding more detail.
I tryed bypassing the receiver (BasicDeviceAdminReceiver) whose only purpose is starting the Profile enabling process in EnableProfileActivity.
In this class just two things are done:

• setting Profile name
• enabling Profile
  It seems that DevicePolicyManager is crashing on setProfileName() or, if commented, on setProfileEnabled: hence Profile is never enabled.
  This is confirmed in device Settings where the Profile is available but marked as «not jet available».
  The error is:

java.lang.RuntimeException: Unable to start activity ComponentInfo: java.lang.SecurityException: No active admin ComponentInfo

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Issue

I’m trying to run an app on the android emulator with full kiosk mode. So I wrote a DeviceAdminReceiver:

public class AdminReceiver : DeviceAdminReceiver < public override void OnEnabled(Context context, Intent intent) < base.OnEnabled(context, intent); Log.Info("Device Admin: ", "Enabled"); >public override void OnDisabled(Context context, Intent intent) < base.OnDisabled(context, intent); Log.Info("Device Admin: ", "Disabled"); >> 

[Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize)] [IntentFilter(new[] < Intent.ActionMain >, Categories = new[] < Intent.CategoryHome, Intent.CategoryDefault >)] public class MainActivity : MauiAppCompatActivity < protected override void OnCreate(Bundle savedInstanceState) < base.OnCreate(savedInstanceState); SetFullscreenFlags(); var devicePolicyManager = (DevicePolicyManager)GetSystemService(Context.DevicePolicyService); var deviceAdminComponent = new ComponentName(this, Java.Lang.Class.FromType(typeof(AdminReceiver))); var intent = new Intent(DevicePolicyManager.ActionAddDeviceAdmin); intent.PutExtra(DevicePolicyManager.ExtraDeviceAdmin, deviceAdminComponent); intent.PutExtra(DevicePolicyManager.ExtraAddExplanation, "Device administrator"); StartActivity(intent); devicePolicyManager.SetLockTaskPackages(deviceAdminComponent, new[] < PackageName >); StartLockTask(); > private void SetFullscreenFlags() < Window.SetFlags(WindowManagerFlags.Fullscreen, WindowManagerFlags.Fullscreen); if (Build.VERSION.SdkInt >= BuildVersionCodes.R) < Window.SetDecorFitsSystemWindows(true); var controller = Window.InsetsController; if (controller is not null) < controller.Hide(WindowInsets.Type.StatusBars() | WindowInsets.Type.NavigationBars()); >> else < Window.DecorView.SystemUiVisibility = (StatusBarVisibility) (SystemUiFlags.LowProfile | SystemUiFlags.Fullscreen | SystemUiFlags.LayoutFullscreen | SystemUiFlags.HideNavigation | SystemUiFlags.LayoutHideNavigation | SystemUiFlags.Immersive | SystemUiFlags.ImmersiveSticky); >> 

And finally here’s the AndroidManifest.xml:

The problem is that this line in MainActivity throw this exception:

devicePolicyManager.SetLockTaskPackages(deviceAdminComponent, new[] < PackageName >); Java.Lang.SecurityException: 'No active admin ComponentInfo' 

I already have a device_admin.xml in resources/xml with a device-admin tag, does it need more configuration? Or is the issue else where? Or maybe i’m instanciating two difference admin receiver?

Note: I already did the procedure to allow this app as device admin on the emulator and run the command via android debug bridge setting it as device owner:

dpm set-device-owner com.companyName.TestApp/.AdminReceiver 

Solution

Can you ensure that you are actually registering your BroadcastReceiver with attributes on the class instead of modifying the AndroidManifest.xml manually. I think what is throwing you off is that if you don’t register the receiver, it will get named as .AdminReceiver . However, when you are adding the reciever as .AdminReceiver in the AndroidManifest.xml, then Android will inflate that as .AdminReciever . So your AdminReceiver won’t get called.

[BroadcastReceiver( Name = "your.packagename.AdminReceiver", Description = "@string/device_owner_description", Label = "My Device Admin Receiver", Permission = Manifest.Permission.BindDeviceAdmin)] [MetaData("android.app.device_admin", Resource = "@xml/device_admin")] public class AdminReceiver : DeviceAdminReceiver

Then you should remove your entry in the manifest.

If you need to filter specific intents, you can also add the [IntentFilter] attribute to add those, but it shouldn’t be necessary for device admin.

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Agent crashes when in COSU mode and when system service is used #69

Agent crashes when in COSU mode and when system service is used #69

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08-02 14:59:49.928 26936-26936/org.wso2.iot.agent E/AgentApplication: UncaughtExceptionHandler got an exception java.lang.RuntimeException: Unable to start receiver org.wso2.iot.agent.events.listeners.KioskAppInstallationListener: java.lang.SecurityException: No active admin ComponentInfo at android.app.ActivityThread.handleReceiver(ActivityThread.java:2616) at android.app.ActivityThread.access$1700(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1380) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5258) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) Caused by: java.lang.SecurityException: No active admin ComponentInfo at android.os.Parcel.readException(Parcel.java:1546) at android.os.Parcel.readException(Parcel.java:1499) at android.app.admin.IDevicePolicyManager$Stub$Proxy.setLockTaskPackages(IDevicePolicyManager.java:4212) at android.app.admin.DevicePolicyManager.setLockTaskPackages(DevicePolicyManager.java:3304) at org.wso2.iot.agent.events.listeners.KioskAppInstallationListener.onReceive(KioskAppInstallationListener.java:102) at android.app.ActivityThread.handleReceiver(ActivityThread.java:2609) at android.app.ActivityThread.access$1700(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1380) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5258) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 

I’ve noticed that there were no prompts to active device administration for the agent. The system service has been installed as a system application (/system/priv-app). Hope this helps.

I’m testing this on Android 5.1.

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