Don't waste your time with activities. Switch to B4XPages.
I'll try to convert it in these days. I don't know so much yet how to manage B4XPages, that's because i used an activity
OkHttpUtils2 will never crash because of an invalid signature.
Please post the full logs.
Here the log filtered:
Logger connesso a: samsung SM-G965F
--------- beginning of main
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Start job
** Activity (main) Resume **
*** Service (httputils2service) Create ***
(Http client initialized with accept all option.)
** Service (httputils2service) Start **
Error occurred on line: 333 (HttpJob)
java.lang.RuntimeException: Error loading bitmap.
at anywheresoftware.b4a.objects.drawable.CanvasWrapper$BitmapWrapper.initializeSampleImpl(CanvasWrapper.java:637)
at anywheresoftware.b4a.objects.drawable.CanvasWrapper$BitmapWrapper.InitializeResize(CanvasWrapper.java:548)
at anywheresoftware.b4a.keywords.Common.LoadBitmapResize(Common.java:1370)
at b4a.example.httpjob._getbitmapresize(httpjob.java:124)
at b4a.example.main$ResumableSub_Activity_Create.resume(main.java:458)
at anywheresoftware.b4a.shell.DebugResumableSub$DelegatableResumableSub.resumeAsUserSub(DebugResumableSub.java:48)
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 anywheresoftware.b4a.shell.DebugResumableSub$DelegatableResumableSub.resume(DebugResumableSub.java:43)
at anywheresoftware.b4a.BA.checkAndRunWaitForEvent(BA.java:267)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:137)
at anywheresoftware.b4a.BA$2.run(BA.java:387)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:237)
at android.app.ActivityThread.main(ActivityThread.java:8167)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1100)
** Activity (main) Pause, UserClosed = true **
** Service (starter) Destroy (ignored)**
** Service (httputils2service) Destroy **