Android Question [B4XPages] Barcode Reader example error Sub activity_permissionresult was not found.

Alberto Michelis · Apr 21, 2021

Hi, I test the example and works ok.
Then I add the same modules to my firts B4Xpages app.
Modify the manifest and add the #Aditionaljar
Compile, run and when I press the barcode button , which
B4XPages.ShowPage("BarcodePage")
I get this error:

Call B4XPages.GetManager.LogEvents = True to enable logging B4XPages events.
** Activity (splash) Resume **
java.lang.Exception: Sub activity_permissionresult was not found.
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:219)
at anywheresoftware.b4a.BA$2.run(BA.java:387)
at android.os.Handler.handleCallback(Handler.java:789)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6944)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:327)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1374)

Pic and app zip attached.

Alberto Michelis · Apr 21, 2021

Yes , all goes ok till I click on start, then the app halt.

Sagenut · Apr 21, 2021

Try adding this to Manifest

B4X:

AddManifestText(
<uses-permission
  android:name="android.permission.CAMERA"
  android:maxSdkVersion="19" />
)

Alberto Michelis · Apr 21, 2021

Now I took the original example, which works ok as is, move the "b4xmainpage" where the barcode code is to a new module "mBarcode" and add a new simple "b4xmainpage", compile anr run ok and... same error.
If I dont have the barcode code in the "b4xmainpage" it does not work!
Attached the example modified.

Alberto Michelis · Apr 21, 2021

Sagenut said:
Try adding this to Manifest

B4X:

AddManifestText( <uses-permission android:name="android.permission.CAMERA" android:maxSdkVersion="19" /> )

same error

Alberto Michelis · Apr 21, 2021

Ive tried to add
#Extends: android.support.v7.app.AppCompatActivity

but get more errors

Sagenut · Apr 21, 2021

Sorry, I am out of ideas.

Alberto Michelis · Apr 21, 2021

If I dont have the barcode code in the "b4xmainpage" it does not work!

Alberto Michelis · Apr 21, 2021

Tested in another phone, it works ok, but not in this S9 ! how to explain!?

Erel · Apr 22, 2021

As I wrote, there is a problem in your internal libraries.
You are using an old library.

Uninstall B4A. Make sure that the installation folder was deleted and reinstall it.

Alberto Michelis · Apr 22, 2021

Erel said:
As I wrote, there is a problem in your internal libraries.
You are using an old library.

Uninstall B4A. Make sure that the installation folder was deleted and reinstall it.

It works ok, thanks!

Android Question [B4XPages] Barcode Reader example error Sub activity_permissionresult was not found.

Alberto Michelis

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