search

Scandit / datacapture-android-samples

27 stars 22 forks source link

Crash when remove node on activity destroy #3

Closed quangpv closed 4 years ago

quangpv commented 4 years ago

When activity destroy, i have call remove node from DataCaptureContext and received crash

Fatal Exception: java.lang.NullPointerException Attempt to invoke interface method 'void com.scandit.datacapture.core.capture.DataCaptureContextListener.onModeRemoved(com.scandit.datacapture.core.capture.DataCaptureContext, com.scandit.datacapture.core.capture.DataCaptureMode)' on a null object reference com.scandit.datacapture.core.capture.DataCaptureContext$b.onModeRemoved (SourceFile:306) com.scandit.datacapture.core.capture.DataCaptureContextListenerReversedAdapter.onModeRemoved (SourceFile:49) android.os.MessageQueue.nativePollOnce (MessageQueue.java) android.os.HandlerThread.run (HandlerThread.java:67)

another way some time it crashing with another exception

Fatal Exception: java.util.ConcurrentModificationException java.util.ArrayList$Itr.next (ArrayList.java:860) com.scandit.datacapture.core.capture.DataCaptureContext$b.onModeRemoved (SourceFile:351) com.scandit.datacapture.core.capture.DataCaptureContextListenerReversedAdapter.onModeRemoved (SourceFile:49) android.os.MessageQueue.nativePollOnce (MessageQueue.java) android.os.HandlerThread.run (HandlerThread.java:67)

Does it cause by my programming or something else ?, please help me !

ScanditSupport commented 4 years ago

Hi @quangpv,

Scandit Support is happy to help you. Could you please reach out to support@scandit.com and share a code snippet which shows how you handle the DataCaptureContext?

ScanditSupport commented 11 months ago

View in Browser <[[https://go.scandit.com/v/NjA1LUVYQy0wMzQAAAGOeqxXOWYnqKgAltpGR12ii9UrTjvraZHNVOKk3o5zMIJmhsJDHIErLWaRc8h7-rXGG_L6Zic=]]> We’re taking a closer look at in-store operations and bringing order fulfillment into the spotlight. Discover how our customers have reached tangible results with our product offering, and explore what the future has in store for retailers everywhere. Join Our Upcoming 30-Minute Webinar Looking for ways to boost your order fulfillment? Then attend our next webinar (on the 18th of October at 1 PM BST), where we’ll break down how our customers have achieved 0% error picking rates, saved hundreds of thousands of dollars, and fulfilled 5x more orders.

Register Now https://go.scandit.com/NjA1LUVYQy0wMzQAAAGOeqxXOVM_EWLsIORn4C293X8B4-E7mZrDsXakzjvW3nGKvCXdfJVWyGzH1_mbMT6UgBSFMZg= Revolutionizing Retail Order Fulfillment Our unique product offering gives retailers the ability to cut their costs and improve fulfillment rates — without expensive changes to infrastructure or processes.

Start Your Revolution https://go.scandit.com/NjA1LUVYQy0wMzQAAAGOeqxXOY0SD62CRGb_EZhD1O-CZkXclONMNjAhhU8WCyKnxxb0fE7EnxIHSIxkFa1_4HvA37A= New: Bricoman Case Study By using Scandit Smart Data Capture, Bricoman employees can now effortlessly tackle daily tasks such as inventory management, order placement and fulfilment, and customer assistance.

Hear From Bricoman https://go.scandit.com/NjA1LUVYQy0wMzQAAAGOeqxXOfFBC2w7Y47t-1hi-nCd-vzneEaZzGwN0m3WAYi_9WaLd5Xgzw7cm4gPCDCfXB2RaXU= Democratizing Frontline Access To Data Insights Penned by our CEO and Co-Founder, Samuel Mueller, this Forbes article details why offering frontline workers access to data should be high on your list of priorities.

Set Your Priorities Straight https://go.scandit.com/NjA1LUVYQy0wMzQAAAGOeqxXOQ7KXaIp-BPXPJ4GZczriPZsJdidHELjEeyNBXOQbhy5mAQVdRhl_h-MNe_NT4j6KIs=