FAQ Index

General

1. What business needs can Dynamsoft Barcode Reader meet?

2. What barcode types are supported by Dynamsoft Barcode Reader?

3. Which edition of Barcode Reader should I use?

4. Can Barcode Reader SDK read PDF files? Do I need to pay for this feature?

5. How to scan specific pages of a pdf file?

6. How to scan barcodes on US Driver’s Licenses and extract the information?

7. How does your SDK compare to other commercial SDKs?

Configuration

1. What I can do when barcode image returnes messy (non-english) characters?

2. How to enable DPM?

3. How to filter incorrect results with the barcode result length?

4. What will happen if licenses are not renewed in time?

5. How to Handle Non-printable Characters Like “\u{1D}” or “{GS}” from the Barcode Text?

6. How to create custom settings template?

7. How can I sort the barcodes of my image in reading order?

License & Usage

1. Can the SDK work without internet connection?

2. How to expand the quota of a runtime license?

3. How to track the number of devices?

4. How to use offline registration license type?

5. How to properly use concurrent instance license?

6. What I need to know about licensing process?

7. What I need to know about trial licenses?

8. How does license tracking work with the three standard licensing options - Per Scan, Per Device, Per Concurrent Device?

9. When is a new license spot taken when using a per-device licensing model?

Multi-Platform

JS

1. How to check the version of the JavaScript SDK I am currently using?

2. How to get a copy of (Dynamsoft Barcode Reader) Dbr JS deployable files (source code, etc.) ?

3. What are the differences between the compact edition and the full edition?

4. Is HTTPS absolutely required?

5. Do we have to call loadWasm proactively?

6. What file/image formats are supported when reading barcodes from files in local memory?

7. How to add/remove a “beep” sound once a barcode is found?

8. How do I create a NodeJS application using the SDK?

9. How to get rid of the delay when opening the camera?

10. What are the general troubleshooting steps if an image fails to decode with the JavaScript SDK?

11. How can I hide the laser bar and Dynamsoft message in the default UI of the BarcodeScanner?

Mobile

1. iOS & Android - How can I reduce battery consumption?

2. iOS & Android - Why does the page sometimes freeze when I start the scanner?

3. iOS & Android - How to import the settings of Barcode Scanner X app into my app?

4. iOS & Android - How to use Debug Mode in Barcode Scanner X?

5. iOS & Android - How can I use CameraX or third-party camera modules with Dynamsoft Barcode Reader?

6. iOS - Does Dynamsoft Barcode Reader iOS support simulator devices?

7. iOS - How to resolve the “Building for iOS Simulator, but linking in dylib built for iOS” error when building for the iOS simulator?

8. Android - Can I reduce the size of the final Android app?

9. Android - How to prevent project build failure after shrinking code?

Error & Debug

1. The error message “-10022 The PDF DLL is missing” on Linux?

2. How to resolve error failed to read or write license buffer?