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Questions tagged [react-native-fetch-blob]

A data transfer library for React Native.

Repository

128 questions
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React Native, Tensorflow js, load model from local storage

I'm trying to develop a mobile application that should be able to load a tensorflow js model and then provide predictions to the final user. Everything works as intended when the required files for the model to work (model.json, weights.bin) are…
Nicolas Munera
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React native: download pdf file with rn-fetch-blob on click a button

I have to let user download a pdf file whene he clock on button, I find that I have to use rn-fetch-blob instead of react-native-fetch-blob. In the documentation there is this code: const { config, fs } = RNFetchBlob let DownloadDir =…
zedArt
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What does the statement const {tz, msg} = this.state; mean in the below code?

The use of this seems always confusing to me. As in the below source code. Can anyone explain what does the statement const {tz, msg} = this.state; mean in the below code? class App extends React.Component { constructor(props) { super(props); …
Shivangi
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react-native-fetch-blob is very slow

I am trying to read a file from the bundle assets on Android, and I noticed that it's taking a lot of time. The assets are XOR-encrypted PDF files (if anyone wants, I'm happy to provide them). I cobbled together a bit of a benchmark using…
Dev Aggarwal
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how to optimize image size by react-native-fetch-blob

I am working on react native share. Now i can share image with title and message. While i am sharing the image it's little slow. So I am thinking that i need to optimize the image file size. So how to do that in react native. I am using…
khalifathul
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react-native-fetch-blob is blocking firebase calls n react native app

I have a react native app that uses Firebase, firestore. for uploading images i am using "react-native-fetch-blob" to create a Blob. in the js file that I use to upload the file, my code look like this: const Blob = RNFetchBlob.polyfill.Blob const…
amos
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React Native. MP3 Binary String (Uint8Array(9549)) to stream or file

I am trying to play an audio file with binary string format that Amazon Polly returns. For that, I am using 'react-native-fetch-blob' and reading a stream, but just keep getting errors from the bridge saying 'Invalid data message - all must be…
rubelux
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Check free storage space with RNFetchBlob (VS. RNFS)?

I am currently working on a React-Native project using React-Native-FS (RNFS). It appears that the project is not actively maintained and the developers of RNFS recommend to use React-Native-Fetch-Blob (RNFetchBlob). The latter is kind of satisfying…
Val Berthe
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TypeError: Cannot read properties of undefined (reading 'DocumentDir') in rn-fetch-blob

I have just installed this library but when I am importing it into my project I have an error TypeError: Cannot read properties of undefined (reading 'DocumentDir') windows - expo - android
sasame
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React Native Blob is not a Function

I'm trying to create a blob in React Native using LaunchImageLibrary. My basic component is as follows: import React from 'react' import { Button, SafeAreaView } from 'react-native' import { launchImageLibrary } from…
user2465134
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React-native-fetch-blob GET request error

I am replacing axios to rn-fetch-blob in my react-native project. In the request I ping my server with credentials and I expect a response. The old request with axios is as follows and works perfectly: export const postWorkspace = (newWorkspace:…
Bl4ckMED
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How can i store and update images in react-native with react-native-sqlite-storage

I am trying to store an image in my app's local storage folder later if i need to update or change image so i can?
Sumit Sharma
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How to slice a file into chunks in react-native

ImagePicker.launchImageLibrary(options, (response) => { createChunks(response); }); I got file uri,path from imagepicker, i want to divide the file into chunks and upload as form data,How to divide the media file(mp4,etc) into chunks in…
Ajith
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How do i access my downloaded file from React Native Fetch Blob?

I was wondering how to access my downloaded file for Android in React Native. This is my code: import RNFetchBlob from 'rn-fetch-blob'; ... let response = await RNFetchBlob.config({ trusty: validateCertificate, fileCache: true, appendExt: 'zip'…
Alan Chen
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How to assign value to global variable in fetch method in react native?

I am creating a react native app and I'm getting data from an API. I need to assign specific data into a global variable. That means my API return JSON data like {user_Id:"1' user_name:'abc' user_email:'abc@gmail.con'}. I need to assign user_Id into…
Sidath
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