CRASH -> Fatal Exception: java.lang.ArithmeticException divide by zero

[Cayke]

Getting many crashes with this error. Think it is caused by ZXing package. Check journeyapps/zxing-android-embedded#334

Error:

Fatal Exception: java.lang.ArithmeticException: divide by zero
       at com.journeyapps.barcodescanner.CameraPreview.j + 71(CameraPreview.java:71)
       at com.journeyapps.barcodescanner.CameraPreview.b + 6(CameraPreview.java:6)
       at com.journeyapps.barcodescanner.CameraPreview.access$300(CameraPreview.java)
       at com.journeyapps.barcodescanner.CameraPreview$3.handleMessage + 12(CameraPreview.java:12)
       at android.os.Handler.dispatchMessage + 102(Handler.java:102)
       at android.os.Looper.loop + 214(Looper.java:214)
       at android.app.ActivityThread.main + 7078(ActivityThread.java:7078)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run + 493(RuntimeInit.java:493)
       at com.android.internal.os.ZygoteInit.main + 964(ZygoteInit.java:964)

[GuruJohn]

I'm also starting to see this crash on quite a few device.

Fatal Exception: java.lang.ArithmeticException: divide by zero
at com.journeyapps.barcodescanner.CameraPreview.calculateFrames(CameraPreview.java:71)
at com.journeyapps.barcodescanner.CameraPreview.b(CameraPreview.java:6)
at com.journeyapps.barcodescanner.CameraPreview.access$300(CameraPreview.java)
at com.journeyapps.barcodescanner.CameraPreview$3.handleMessage(CameraPreview.java:12)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7037)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:494)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:965)

[apastuhov]

Got same crash on next devices:

Android v9:

• HUAWEI Y5 2019
• moto g(6)
• Mate 20 Pro
• Galaxy A20e
• P20 lite

Android v8:

• v8.1.0 - Redmi S2
• v8 - Mate 9

qr_code_scanner: 0.0.12
camera: 0.5.7

Chance of occurrence is around 7% per 1000 sessions in my use-case

Fatal Exception: java.lang.ArithmeticException: divide by zero
       at com.journeyapps.barcodescanner.CameraPreview.calculateFrames(CameraPreview.java:85)
       at com.journeyapps.barcodescanner.CameraPreview.previewSized(CameraPreview.java:6)
       at com.journeyapps.barcodescanner.CameraPreview.previewStarted(CameraPreview.java)
       at com.journeyapps.barcodescanner.CameraPreview$3.handleMessage(CameraPreview.java:12)
       at android.os.Handler.dispatchMessage(Handler.java:108)
       at android.os.Looper.loop(Looper.java:216)
       at android.app.ActivityThread.main(ActivityThread.java:7625)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)

[FantaMagier]

Got same crash on next devices:

Android v9:

• HUAWEI Y5 2019
• moto g(6)
• Mate 20 Pro
• Galaxy A20e
• P20 lite

Android v8:

• v8.1.0 - Redmi S2
• v8 - Mate 9

qr_code_scanner: 0.0.12
camera: 0.5.7

Chance of occurrence is around 7% per 1000 sessions in my use-case

Fatal Exception: java.lang.ArithmeticException: divide by zero
       at com.journeyapps.barcodescanner.CameraPreview.calculateFrames(CameraPreview.java:85)
       at com.journeyapps.barcodescanner.CameraPreview.previewSized(CameraPreview.java:6)
       at com.journeyapps.barcodescanner.CameraPreview.previewStarted(CameraPreview.java)
       at com.journeyapps.barcodescanner.CameraPreview$3.handleMessage(CameraPreview.java:12)
       at android.os.Handler.dispatchMessage(Handler.java:108)
       at android.os.Looper.loop(Looper.java:216)
       at android.app.ActivityThread.main(ActivityThread.java:7625)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)

I have 100% the same problem.

[dspicher]

Hi.
I bumped zxing to 4.0.2 where the issue should be fixed. Can you test on top of current master?
Feel free to reopen if this issue persists.