React Native Exif

An image exif reader

Installation

• step1:

  # if using yarn
  yarn add @notech/react-native-exif
  
  # if usng npm
  npm install @notech/react-native-exif --save
  

• step2:
  If your react-native version is below v60, running react-native link,
  If your react-native version is v60+, running npx pod-install

Usage

getExif

import Exif from '@notech/react-native-exif'

// ...

Exif.getExif('/sdcard/tt.jpg')
    .then(msg => console.warn('OK: ' + JSON.stringify(msg)))
    .catch(msg => console.warn('ERROR: ' + msg))

// ...

Exif.getExif('content://media/external/images/media/111')
    .then(msg => console.warn('OK: ' + JSON.stringify(msg)))
    .catch(msg => console.warn('ERROR: ' + msg))

// ...

Exif.getExif('assets-library://asset/asset.JPG?id=xxxx&ext=JPG')
    .then(msg => console.warn('OK: ' + JSON.stringify(msg)))
    .catch(msg => console.warn('ERROR: ' + msg))

Exif values

Value
imageWidth
imageHeight
orientation
originalUri
exif

getLatLong

Fetch geo coordinates as floats.

// ...
Exif.getLatLong('/sdcard/tt.jpg')
    .then(({latitude, longitude}) => {console.warn('OK: ' + latitude + ', ' + longitude)})
    .catch(msg => console.warn('ERROR: ' + msg))
// ...

getSize

Get file size in bytes.

// ...
Exif.getSize('uri')
    .then((sizeInBytes) => {console.warn('OK: ' + sizeInBytes)})
    // .catch(msg => console.warn('ERROR: ' + msg))
// ...