Errong Leng

Fix INSTALL_FAILED_UPDATE_INCOMPATIBLE When Installing Android APK via ADB After building your React Native Android release APK, you may encounter this error when installing it: adb: failed to install app-release.apk: Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE: Existing package signatures do not match newer version] This means the APK was built successfully, but Android refuses to install it because the app on your device was signed with a different certificate. Why This Happens Android requires that any update to an existing app must be signed with the same keystore as the original installation. Typically this happens when: You installed a debug build previously You switched keystores for your release build You changed your signing configuration If the signatures don’t match, Android will block the installation. How to Fix It Option 1: Uninstall the Existing App (Quick Fix) adb uninstall com.westminstershortercatechismqa adb install app-release.apk Onc...

Fixing React Native Android Release Build Errors with TypeScript & Hermes If your React Native Android release build fails after renaming index.js to index.ts , you're not alone. This is one of the most common issues when modernizing a React Native project with TypeScript and Hermes. Here are the two major errors you’ll likely see: Task ':app:createBundleReleaseJsAndAssets' property 'entryFile' specifies file 'index.js' which doesn't exist. And later: java.lang.OutOfMemoryError: Metaspace Execution failed for task ':react-native-xxx:lintVitalAnalyzeRelease' Let’s fix both problems step by step. 1. React Native Can’t Find Your Entry File React Native expects your app’s entry file to be index.js . When you rename it to index.ts , Gradle doesn’t know where to look. Open android/app/build.gradle and add this inside the react {} block: react { entryFile = file("../../index.ts") } Also make sure your package...