IOS debug error for RNViewShot.captureRef: Argument NSNumber has unspecified nullability

[holakmateusz]

bug report

IOS debug error for RNViewShot.captureRef: Argument NSNumber has unspecified nullability

Version & Platform

"expo": "51.0.28",
"react-native": "0.74.2",
"react-native-view-shot": "^4.0.0",

Platform: iOS

Expected behavior

There is no red error in iOS debug mode

Actual behavior

It shows red error with LogBox as it shown below:

Steps to reproduce the behavior

1. invoke captureRef() in debug mode on iOS

[alehano]

Same issue here

[outaTiME]

Sadly, same here after updating to version 4.x

[DimaKogut]

Save here! version 4.x

[MehdiSv]

Same here

[keeganthomp]

+1

[tosettil-polimi]

Temporary Nullability Fix for [email protected]

Prerequisites

If patch-package is not installed:

yarn add patch-package -D

Patch Steps

1. Open node_modules/react-native-view-shot/ios/RNViewShot.mm
2. Modify line 48 from:

   RCT_EXPORT_METHOD(captureRef:(NSNumber *)target

   to:

   RCT_EXPORT_METHOD(captureRef:(nonnull NSNumber *)target

3. Run patch command:

   yarn patch-package react-native-view-shot

Recommended

• Keep an eye on library updates (I opened a pull request for fixing this, see [bugfix] Nullability Fix for HealthManager Argument #549)
• Remove patch when official fix is released

[Yusang-park]

It's now fixed on v.4.0.3

[ils-anwarshah]

upgrading to v.4.0.3 solved my problem