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I want to create QR code reader based application.
Using which library, I can create my application ?
Note: I searched in google. Always I am getting zxing. I downloaded the zxing project. But the problem is; I run the application. But it is reading only the Barcodes. There is no option to read QR code.
Please tell me how to do this...
Thanks in Advance.
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Then, swipe up on your lock screen to pull up the Control Center (or down on the top right corner on iPhone X and iPads running iOS 12). Tap the new Lock Screen QR code widget. Then, the camera will open up, ready to scan.
If nothing happens, you may have to go to your Settings app and enable QR Code scanning. Open your Camera app and point it steadily for 2-3 seconds towards the QR Code you want to scan. If QR Code isn't an option in your settings, your device, unfortunately, can't scan QR Codes natively.
On your compatible Android phone or tablet, open the built-in camera app. Point the camera at the QR code. Tap the banner that appears on your Android phone or tablet.
To sum up, if your Android device won't scan QR codes, go to Camera Settings, and enable the QR code scanner option. Additionally, press and hold the QR code screen area or the Google Lens button. If the issue persists, download a QR code scanner from the Play Store.
ZBarSDK is another option. A very capable library.
UPDATE January 2014
Beginning in iOS7, AVCaptureDevice now includes the ability to read barcodes (of all kinds) and return a human readable value. If you're targeting iOS7+, this is the way to go. ZBarSDK is still great for pre-iOS7 support, of course.
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