when implementing react-native-tesseract-ocr in your project:

Attempting to run the Android application...

[email protected] android react-native run-android

Information: JS server is already running. The app installation process is in progress.

This build contains deprecated Gradle features that are incompatible with Gradle 8.0.

You can use '--warning-mode all' to identify individual deprecation warnings and determine if they originate from your scripts or plugins.

View 5 actionable tasks: 5 up-to-date

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.

  • Where: Build file 'D:\OCR2\node_modules\react-native-tesseract-ocr\android\build.gradle' line: 23

  • What went wrong: An issue was encountered while evaluating project ':react-native-tesseract-ocr'.

Plugin with id 'maven' not found.

  • Try:

Run with --stacktrace option for a detailed stack trace. Run with --info or --debug option for additional log output. Run with --scan for comprehensive insights. ==============================================================================

2: Task failed with an exception.

  • What went wrong: A problem occurred during the configuration of project ':react-native-tesseract-ocr'.

com.android.builder.errors.EvalIssueException: compileSdkVersion is not specified. Please add it to build.gradle

  • Try:

Run with --stacktrace option for the stack trace. Run with --info or --debug option for detailed logging. Run with --scan for full insights. ==============================================================================

  • For further assistance, visit

BUILD FAILED in 6 seconds

Error: The app installation failed. Ensure that the Android development environment is configured correctly: https://reactnative.dev/docs/environment-setup. Specific Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.

  • Where: Build file 'D:\OCR2\node_modules\react-native-tesseract-ocr\android\build.gradle' line: 23

  • What went wrong: An issue was encountered while evaluating project ':react-native-tesseract-ocr'.

Plugin with id 'maven' not found.

  • Try:

Run with --stacktrace option for a detailed stack trace. Run with --info or --debug option for additional log output. Run with --scan for comprehensive insights. ==============================================================================

2: Task failed with an exception.

  • What went wrong: A problem occurred during the configuration of project ':react-native-tesseract-ocr'.

com.android.builder.errors.EvalIssueException: compileSdkVersion is not specified. Please add it to build.gradle

  • Try:

Run with --stacktrace option for the stack trace. Run with --info or --debug option for detailed logging. Run with --scan for full insights. ==============================================================================

  • For further assistance, visit

BUILD FAILED in 6 seconds

at makeError (D:\OCR2\node_modules\execa\index.js:174:9)
at D:\OCR2\node_modules\execa\index.js:278:16
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at async runOnAllDevices (D:\OCR2\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:109:5)
at async Command.handleAction (D:\OCR2\node_modules\@react-native-community\cli\build\index.js:142:9)

For more information, run CLI with the --verbose flag.

D:\OCR2> npm i rn-text-detector --save

Added 1 package, audited 974 packages in 3 seconds

102 packages are seeking funding Run npm fund for details

No vulnerabilities found

Completed steps: D:\OCR2>

htmljquerycssreactjsbootstrap-4

Answer №1

I finally discovered the answer!

android/build.gradle

 ext {
        buildToolsVersion = "31.0.0"
        minSdkVersion = 21
        compileSdkVersion = 31
        targetSdkVersion = 31
                 kotlinVersion = "1.5.31"   //this is the key line to focus on ----------- 

        if (System.properties['os.arch'] == "aarch64") {
            // M1 Users must use NDK version 24 with aarch64 support
            ndkVersion = "24.0.8215888"
        } else {
            // Default to default NDK version from AGP.
            ndkVersion = "21.4.7075529"
        }
    }

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