An outdated or improperly linked Java Development Kit (JDK) can prevent the IDE from indexing libraries that provide these schemas. How to Fix It Try these steps in order to clear the error:
If clearing the cache didn't work, the issue might be with how your project's build files are structured. A "Clean Build" forces Gradle to re-compile all resources and re-link the res-auto namespace. could not fetch http schemas.android.com apk res-auto
If you previously enabled offline mode to speed up builds, disable it temporarily. An outdated or improperly linked Java Development Kit
Could not fetch http://schemas.android.com/apk/res-auto If you previously enabled offline mode to speed
In rare cases, the emulator’s network stack causes the issue. Add a local policy:
: If a sync doesn't work, deep-seated IDE cache issues may be to blame. Go to File > Invalidate Caches / Restart to refresh the IDE's internal state. Check for typos : Ensure the URI is exactly
The underlying causes are not code-related but environmental/network: