react-native-fetch-blob image upload failed for android(always receives zero bytes)

[nisharafic]

Hi,

when i trying to upload image using RNFetchBlob to post via WebAPI. I always get file as null(zero bytes).

Ios Working fine but android i could not able to upload image. can you please tell me what is the issue.

Json Which i post

[{"name":"value","data":"5b757da2499fac2f30c33bf4"},{"name":"postType","data":"0"},{"name":"message","data":""},{"name":"file","filename":"IMG_20181026_164857.jpg","data":"RNFetchBlob-file://content://com.google.android.apps.photos.contentprovider/-1/1/content%3A%2F%2Fmedia%2Fexternal%2Ffile%2F88/ORIGINAL/NONE/70942257"},{"name":"externalSourceId","data":""},{"name":"externalSourceType","data":0}]

Environment details

React Native Environment Info:
System:
OS: macOS 10.14
CPU: x64 Intel(R) Core(TM) i5-7267U CPU @ 3.10GHz
Memory: 71.52 MB / 16.00 GB
Shell: 3.2.57 - /bin/bash
Binaries:
Node: 8.7.0 - /usr/local/bin/node
npm: 5.6.0 - /usr/local/bin/npm
Watchman: 4.9.0 - /usr/local/bin/watchman
SDKs:
iOS SDK:
Platforms: iOS 12.0, macOS 10.14, tvOS 12.0, watchOS 5.0
IDEs:
Android Studio: 3.2 AI-181.5540.7.32.5014246
Xcode: 10.0/10A255 - /usr/bin/xcodebuild
npmPackages:
react: 16.6.0-alpha.8af6728 => 16.6.0-alpha.8af6728
react-native: 0.57.3 => 0.57.3
npmGlobalPackages:
create-react-native-app: 1.0.0
react-native-cli: 2.0.1
react-native-git-upgrade: 0.2.7
react-native-vector-icons: 4.4.2
react-native-video-recorder: 0.2.0