I have Dolphin 70e Black device.I want to scan QR code using the Laser Scanner in the device and How to start the scanning in the device in My App Please help
You will need a library for scanning the barcodes from the camera. A popular library for this is ZXing: https://github.com/zxing/zxing
Here are two nice tutorials for getting you started: http://code.tutsplus.com/tutorials/android-sdk-create-a-barcode-reader--mobile-17162 http://blog.dihaw.com/integrating-zxing-in-your-android-app-as-standalone-scanner/