QR / Barcode Scanner
QR / Barcode Scanner recognizes QR / Barcode.
Starting / Stopping the Scanner
Using the Scanning Information
Starting / Stopping the Scanner
To start / stop Scanner, refer to the following code.
>QR_BarcodeViewController.mm
- (void)resumeAR { ... TrackerManager::getInstance()->startTracker(TRACKER_TYPE_CODE_SCANNER); } - (void)pauseAR { TrackerManager::getInstance()->stopTracker(); ... }
Using the Scanning Information
When you illuminate QR / Barcode, the code name is displayed on the screen. Refer to the following code to use the scanning information.
>QR_BarcodeViewController.mm
- (void)glkView:(GLKView *)view drawInRect:(CGRect)rect { ... string codeScanResult = maxstAR::TrackerManager::getInstance()->getCodeScanResult(); if(codeScanResult != "") { NSString *code = [NSString stringWithCString:codeScanResult.c_str() encoding:kCFStringEncodingUTF8]; NSError* error; NSDictionary* json = [NSJSONSerialization JSONObjectWithData:[code dataUsingEncoding:NSUTF8StringEncoding] options:kNilOptions error:&error]; self.formatLabel.text = json[@"Format"]; self.codeLabel.text = json[@"Value"];; TrackerManager::getInstance()->stopTracker(); [self.scanButton setAlpha:1.0f]; [self.scanButton setEnabled:YES]; [self.scanButton setTitle:@"Start Scan" forState:UIControlStateNormal]; } ... }