When running 'flutter build apk' or 'flutter run', you encounter Gradle build failures like 'Execution failed for task :app:processDebugResources' or version conflicts.
Gradle issues are usually caused by outdated Android Gradle plugin, incompatible dependencies, or wrong Java version. Clean build and update configurations.
Step-by-Step Guide
Run: flutter clean && flutter pub get
Check android/build.gradle: Update to latest versions (classpath 'com.android.tools.build:gradle:7.4.2')
In android/app/build.gradle: Set minSdkVersion to at least 21, targetSdkVersion 33
Check Java version: java -version (Flutter requires Java 11 or higher)
Delete android/.gradle and android/app/build folders
Run: cd android && ./gradlew clean
Update Flutter SDK: flutter upgrade
If using plugins, check their compatibility with your Flutter version
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