React Native Camera编译失败求助：Android与iOS均报错

Hey there! Let’s troubleshoot why React Native Camera is failing to compile on your Android and iOS projects. I’ve put together the most common fixes based on typical issues developers run into with this library—let’s go through them one by one.

Android Compilation Issues #

• Verify Gradle Version Compatibility
  React Native Camera requires a minimum SDK version of 21. Open your android/build.gradle file and confirm these values are set correctly:

  buildscript {
      ext {
          minSdkVersion = 21
          compileSdkVersion = 33
          targetSdkVersion = 33
      }
  }
  

  Ensure these align with your React Native version’s requirements too.

• Check Required Permissions
  Missing permissions in AndroidManifest.xml often cause compilation failures. Add these lines inside the <manifest> tag:

  <uses-permission android:name="android.permission.CAMERA" />
  <uses-permission android:name="android.permission.RECORD_AUDIO" />
  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
  

• Clean Gradle Cache
  Cached build files can lead to unexpected errors. Navigate to your project’s android directory and run:

  ./gradlew clean
  

  Then rebuild your project.

• Resolve Dependency Conflicts
  If you’re using other native libraries (like Expo modules or custom camera libraries), they might clash with React Native Camera. Double-check that you’re not mixing incompatible libraries, and ensure your project uses a consistent React Native version.

• Match Library Versions
  Make sure your installed react-native-camera version is compatible with your React Native version. For example:

  • React Native 0.70+ works best with react-native-camera v3.x
  • Older RN versions may require v2.x

iOS Compilation Issues #

• Add Permission Descriptions
  iOS requires explicit permission messages for camera and microphone access. Open your ios/[YourProjectName]/Info.plist and add these key-value pairs:

  <key>NSCameraUsageDescription</key>
  <string>We need access to your camera to capture photos and videos</string>
  <key>NSMicrophoneUsageDescription</key>
  <string>We need access to your microphone for video recording</string>
  

• Refresh Pod Dependencies
  Outdated or corrupted pods are a common culprit. Navigate to your ios directory and run:

  pod deintegrate && pod install
  

  Then clean your Xcode build (press Cmd + Shift + K) and recompile.

• Confirm Xcode Version
  React Native and React Native Camera have strict Xcode version requirements. For React Native 0.70+, you’ll need at least Xcode 14.1. Update Xcode if you’re running an older version.

• Enable Capabilities (If Needed)
  In Xcode, go to your project’s Signing & Capabilities tab. Ensure the Camera and Microphone capabilities are enabled if your app requires them.

• Check Version Compatibility
  Just like Android, make sure your react-native-camera version matches your React Native version. Refer to the library’s documentation for exact compatibility matrices.

If none of these steps resolve the issue, sharing the specific error messages from your screenshots (like exact compilation errors, missing symbols, or dependency conflicts) will help narrow down the problem further.

内容的提问来源于stack exchange，提问作者Athar Rajpoot