App crash on purchase or add items to shopping list

[xuko]

When I try to add items to shopping list or trying to un barcode scanner, the app crash and I get this error

--------- beginning of main
02-03 14:09:28.607 31895 31895 E ViewUtil: icon animation requires AnimVectorDrawable
--------- beginning of crash
02-03 14:09:28.821 31895 31895 E AndroidRuntime: FATAL EXCEPTION: main
02-03 14:09:28.821 31895 31895 E AndroidRuntime: Process: xyz.zedler.patrick.grocy, PID: 31895
02-03 14:09:28.821 31895 31895 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase()' on a null object reference
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.adapter.MatchProductsArrayAdapter.<init>(MatchProductsArrayAdapter.java:49)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.util.BindingAdaptersUtil.setProductList(BindingAdaptersUtil.java:10)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.databinding.FragmentPurchaseBindingImpl.executeBindings(FragmentPurchaseBindingImpl.java:3393)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at androidx.databinding.ViewDataBinding$7.run(ViewDataBinding.java:73)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at androidx.databinding.ViewDataBinding$8.doFrame(ViewDataBinding.java:5)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1386)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1396)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.view.Choreographer.doCallbacks(Choreographer.java:1033)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.view.ChoreographerExtImpl.checkScrollOptSceneEnable(ChoreographerExtImpl.java:411)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.view.Choreographer.doFrame(Choreographer.java:900)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1371)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.os.Handler.handleCallback(Handler.java:942)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.os.Handler.dispatchMessage(Handler.java:99)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.os.Looper.loopOnce(Looper.java:240)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.os.Looper.loop(Looper.java:351)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at android.app.ActivityThread.main(ActivityThread.java:8377)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at java.lang.reflect.Method.invoke(Native Method)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584)
02-03 14:09:28.821 31895 31895 E AndroidRuntime: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)
02-03 14:09:31.556 16997 16997 E r.patrick.grocy: Unknown bits set in runtime_flags: 0x40000000
02-03 14:09:31.560 16997 16997 E r.patrick.grocy: Not starting debugger since process cannot load the jdwp agent.
02-03 14:09:31.569 16997 18696 E r.patrick.grocy: Could not write anonymous vdex /system/framework/oat/arm64/mediatek-framework.vdex: Could not open /system/framework/oat/arm64/mediatek-framework.vdex for writing
02-03 14:09:31.623 16997 16997 E r.patrick.grocy: ofbOpen failed with error=No such file or directory
02-03 14:09:31.623 16997 16997 E r.patrick.grocy: sysOpen failed with error=No such file or directory
02-03 14:09:31.648 16997 18708 E r.patrick.grocy: Loaded layer handle (3994026014945364841) for layer /my_product/lib64/libcolorx-loader.so
02-03 14:09:31.648 16997 18708 E r.patrick.grocy: Looking for entrypoint ColorX_Check
02-03 14:09:31.648 16997 18708 E r.patrick.grocy: Found ColorX_Check for /my_product/lib64/libcolorx-loader.so
02-03 14:09:31.648 16997 18708 E r.patrick.grocy: Check failed
02-03 14:09:31.650 16997 18708 E QT      : [QT]file does not exist
02-03 14:09:31.651 16997 18708 E QT      : [QT]file does not exist
--------- beginning of system
02-03 14:09:31.751 16997 16997 E OplusCustomizeRestrictionManager: sInstance is null, start a new sInstance
02-03 14:09:31.852 16997 16997 E FBI     : Can't load library: dlopen failed: library "libmagtsync.so" not found

[xuko]

I fixed removing a product with empty name.

After that I can enter purchase page but y get this error on barcode scan

--------- beginning of crash
02-04 23:27:55.696  2940  2940 E AndroidRuntime: FATAL EXCEPTION: main
02-04 23:27:55.696  2940  2940 E AndroidRuntime: Process: xyz.zedler.patrick.grocy, PID: 2940
02-04 23:27:55.696  2940  2940 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.model.ProductBarcode.getFromBarcode(ProductBarcode.java:21)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.viewmodel.PurchaseViewModel.onBarcodeRecognized(PurchaseViewModel.java:105)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.fragment.PurchaseFragment.onBarcodeRecognized(PurchaseFragment.java:21)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at xyz.zedler.patrick.grocy.scanner.ZXingScanCaptureManager$1.barcodeResult(ZXingScanCaptureManager.java:160)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at com.journeyapps.barcodescanner.DecoratedBarcodeView$WrappedCallback.barcodeResult(DecoratedBarcodeView.java:3)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at com.journeyapps.barcodescanner.BarcodeView$1.handleMessage(BarcodeView.java:27)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at android.os.Handler.dispatchMessage(Handler.java:102)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at android.os.Looper.loopOnce(Looper.java:240)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at android.os.Looper.loop(Looper.java:351)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at android.app.ActivityThread.main(ActivityThread.java:8377)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at java.lang.reflect.Method.invoke(Native Method)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:584)
02-04 23:27:55.696  2940  2940 E AndroidRuntime: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1013)
--------- beginning of system
02-04 23:28:06.021 30104 30104 E OplusCustomizeRestrictionManager: sInstance is null, start a new sInstance
--------- beginning of main
02-04 23:29:31.128 30104 30104 E IPCThreadState: attemptIncStrongHandle(81): Not supported
02-04 23:29:31.128 30104 30104 E IPCThreadState: attemptIncStrongHandle(61): Not supported
02-04 23:29:40.288 30104 30104 E IPCThreadState: attemptIncStrongHandle(79): Not supported
02-04 23:29:53.477 30104 30104 E IPCThreadState: attemptIncStrongHandle(78): Not supported
02-04 23:29:53.477 30104 30104 E IPCThreadState: attemptIncStrongHandle(59): Not supported

[xuko]

I found the problem. It was a barcode in grocy database with a null in barcode value.

[dominiczedler]

Thanks I've fixed the crashes but these should not occur with normal user interface I think.

[xuko]

Thanks I've fixed the crashes but these should not occur with normal user interface I think.

Yes, I think it was using Grocy API. It's not well protected