Android Question Runtimepermission.GetSafeDirDefaultExternal ERROR after upgrade to 10.5

[giggetto71]

HELP!
yesterday I upgraded to 10.5 from 10.2 now after the upgrade my app crashes upon executing the

Dim rp As RuntimePermissions
DBPath = rp.GetSafeDirDefaultExternal("")

GetSafeDirDefaultExternal with the below logs. I did not change a bit in the code which was running just fine before the upgrade. I have also tried to add the external write permission to the manifest but no change

java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/core/content/ContextCompat;
    at anywheresoftware.b4a.objects.RuntimePermissions.GetSafeDirDefaultExternal(RuntimePermissions.java:120)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:348)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
    at anywheresoftware.b4a.BA.raiseEvent(BA.java:193)
    at gigiosoft.MQTTAlert.starter.onCreate(starter.java:56)
    at android.app.ActivityThread.handleCreateService(ActivityThread.java:4281)
    at android.app.ActivityThread.access$1500(ActivityThread.java:270)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2067)
    at android.os.Handler.dispatchMessage(Handler.java:107)
    at android.os.Looper.loop(Looper.java:237)
    at android.app.ActivityThread.main(ActivityThread.java:7948)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1075)
Caused by: java.lang.ClassNotFoundException: androidx.core.content.ContextCompat
    ... 18 more
java.lang.RuntimeException: Unable to create service gigiosoft.MQTTAlert.starter: java.lang.RuntimeException: java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/core/content/ContextCompat;
    at android.app.ActivityThread.handleCreateService(ActivityThread.java:4293)
    at android.app.ActivityThread.access$1500(ActivityThread.java:270)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2067)
    at android.os.Handler.dispatchMessage(Handler.java:107)
    at android.os.Looper.loop(Looper.java:237)
    at android.app.ActivityThread.main(ActivityThread.java:7948)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1075)
Caused by: java.lang.RuntimeException: java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/core/content/ContextCompat;
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:175)
    at anywheresoftware.b4a.BA.raiseEvent(BA.java:193)
    at gigiosoft.MQTTAlert.starter.onCreate(starter.java:56)
    at android.app.ActivityThread.handleCreateService(ActivityThread.java:4281)
    ... 8 more
Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/core/content/ContextCompat;
    at anywheresoftware.b4a.objects.RuntimePermissions.GetSafeDirDefaultExternal(RuntimePermissions.java:120)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:348)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
    ... 11 more
Caused by: java.lang.ClassNotFoundException: androidx.core.content.ContextCompat
    ... 18 more

 

[Erel]

Are you sure that you previously used 10.2? It also required AndroidX sdk.

Anyway, the solution is simple: download the latest version of Android SDK + additional components https://www.b4x.com/b4a.html
Don't try to update the existing SDK. It will not work.

 

[giggetto71]

ok. I have downloaded and unzipped the Android SDK command tools and the required resources. I have also updated Java as I was using 8. now I am using 11 (B4J works ok with Java 11 after the update).
Apparently both Android zip have successfully installed I only got a strange error about 3 file adb

Unfortunately now it does not even build as it complains about a call to a JavaObject

 Dim jo As JavaObject = nb
jo.RunMethod("setChannelId", Array("MyChannelId1"))

What did I miss?
thanks

 

[AnandGupta]

I only got a strange error about 3 file adb

These dll files are opened by some program,may be B4J etc.

Better restart windows and unzip first.

Regards,

Anand

 

[giggetto71]

ok. made more tests with an almost empty app and the issue seems to be related to the NotificationBuilder
here's the emtpy app that does not build.

#Region  Project Attributes
    #ApplicationLabel: B4A Example
    #VersionCode: 1
    #VersionName:
    'SupportedOrientations possible values: unspecified, landscape or portrait.
    #SupportedOrientations: unspecified
    #CanInstallToExternalStorage: False
    
#End Region

#Region  Activity Attributes
    #FullScreen: False
    #IncludeTitle: True
#End Region
#AdditionalJar: com.android.support:support-v4

Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.
    Private xui As XUI
End Sub

Sub Globals
    'These global variables will be redeclared each time the activity is created.
End Sub

Sub Activity_Create(FirstTime As Boolean)
    'Activity.LoadLayout("Layout")
     Dim nb As NotificationBuilder
     nb.Initialize
     Dim jo As JavaObject = nb    
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub

Sub Button1_Click
    xui.MsgboxAsync("Hello world!", "B4X")
End Sub

 

[Erel]

You should switch to NB6. NotificationBuilder library wasn't updated and will not work properly with the new channel related requirements.

 

[giggetto71]

done. thanks. it worked.