Blue Rock Manor, Delaware From Wikipedia, the free encyclopedia Jump to navigation Jump to search unincorporated community in Delaware, United States Blue Rock Manor unincorporated community Blue Rock Manor Location of Blue Rock Manor in Delaware Coordinates: 39°47′45″N 75°31′34″W / 39.79583°N 75.52611°W / 39.79583; -75.52611 Coordinates: 39°47′45″N 75°31′34″W / 39.79583°N 75.52611°W / 39.79583; -75.52611 Country United States State Delaware County New Castle Elevation 358 ft (109 m) Time zone UTC-5 (EST) • Summer (DST) UTC-4 (EDT) ZIP code 19803 Area code(s) 302 GNIS feature ID 217134 [1] Blue Rock Manor is an unincorporated community in New Castle County, Delaware, United States. [1] Blue Rock Manor is located east of U.S. Route 202 between Fairfax and Talleyville to the north o...
0 I am new to React-native. I have a requirement for barcode scanning and I am using react-native-camera for this. I want to show error message to the user when the barcodes are not recognized for some reason. This is code. class Scan extends Component { constructor(props) super(props); this.barocode = this.barocode.bind(this); barocode(e) if(typeof (e) == 'undefined') // tried this if barcodes are not recognized. This doesn't work. alert("error"); else this.camera.pausePreview(); alert(e.data); render() return ( <View style=styles.container> <RNCamera ref=ref => this.camera = ref; style = styles.preview type=RNCamera.Constants.Type.back flashMode=RNCamera.Constants.FlashMode.on onBarCodeRead=(e) => this.barocode(e) /> </View> ); OnbarcodeRead will call the function this.barocode(e) once it recognizes the barcode. This code is working fine for almost all barcodes types listed in the documentation. https...