Question

我刚刚将一个反应性项目升级到第0.73版(https://react-native- community.github.io/up levels-helper/? from=0.72.7&to=0.73.0)。

The project was already making use of react-native-vision-camera 3.6.10 for a feature that reads barcodes.

However, when I try to build the Android apk I get the error:

> Task :react-native-vision-camera:compileDebugKotlin
e: file:///Users/user/Documents/project/node_modules/react-native-vision-camera/android/src/main/java/com/mrousavy/camera/CameraDevicesManager.kt:74:3  hasConstants  overrides nothing
e: file:///Users/user/Documents/project/node_modules/react-native-vision-camera/android/src/main/java/com/mrousavy/camera/frameprocessor/VisionCameraProxy.kt:38:58 Only safe (?.) or non-null asserted (!!.) calls are allowed on a nullable receiver of type JavaScriptContextHolder?

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task  :react-native-vision-camera:compileDebugKotlin .
> A failure occurred while executing org.jetbrains.kotlin.compilerRunner.GradleCompilerRunnerWithWorkers$GradleKotlinCompilerWorkAction
   > Compilation error. See log for more details

I ve tried downgrading the kotlin version 1.8.0, to 1.6.20 and 1.7.21, as set in react-native-vision-camera and also mentioned in some comments: https://github.com/mrousavy/react-native-vision-camera/issues/1012#issuecomment-1665622677

But it didn t make it... The errors get even worse... Any ideas how I could fix this? Or how could I find the proper kotlin version?

Answer 1

这实际上只是一个答案,但经过了同样的问题。不清楚支助是否超出此点。

Answer 2

https://github.com/mrousavy/react-native-vision-camera/issues/2263

错误

 hasConstants  overrides nothing

<https://github.com/mrousavy/react-native-nvision-camera/issues/2263#issuecomment-1846827956

看来,这一错误出现在RN的“老板”方法被拆除之后,这一变化在版本上合并,令人惊讶,即0.73。面对面:

- public boolean hasConstants() {
-   return false;
- }

Simply removing the hasConstants() method resolves the problem: package/android/src/main/java/com/mrousavy/camera/CameraDevicesManager.kt:

- override fun hasConstants(): Boolean = true

ISSUE: https://github.com/mrousavy/react-native-vision-camera/issues/2184 PR: https://github.com/mrousavy/react-native-vision-camera/pull/2264

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