Posts by Alex Passos • 51 points
7 posts
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viewsQ: Error using React-Native-camera
Hello, I need to put the app to read the Qrcode and in the tutorial I’m finding speaks to use the React-Native-camera. I’m just not getting the camera to work. I already made the configuration that…
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answer197
viewsQ: What problem is occurring in Axios with this HTTP call?
I’m trying to make a call HTTP, but as a beginner I’m not able to find the error.. I already tested it on the emulator and the error which is displayed as follows: 0, _loginService.autenticacao) is…
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answer6065
viewsQ: How to emulate iOS? To test apps
Hello I need to develop an app that runs on android and iOS. I’m thinking of using React Native. I was told about Flutter but I’m afraid that I have little time. So I thought.... how will I test the…
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viewsQ: View Qrcode on screen in web application
I have this code that generates the Qrcode of the Zxing library: private static byte[] getQRCodeImage(String text, int width, int height) throws WriterException, IOException { QRCodeWriter…
javaasked Alex Passos 51 -
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answers338
viewsQ: Problem with React and Redux
Hi... I’m studying React and now Redux. I’m trying to make a simple example: Where I have an input and button, I want to enter a value in the input and when clicking the button take the value and…
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answer39
viewsQ: Reactjs doubt about nomenclatures
Hello, I am studying Reactjs and I have a question regarding the nomenclature of functions. I see in the tutorials and in the post the staff always put: handleClick; handleSend What is this Handle?…
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answer1128
viewsQ: React Starter. Take data typed in Input
Hello I’m studying the Reactjs... and made the following structure: [code] class MyNascimento extends Component { constructor(props) { super(props); this.state = { nascimentoValue: null, }; }…