Why Does My Android App Show a `java.lang.ClassNotFoundException` for `android.app.POMActivity`?

java.lang.ClassNotFoundException: Didn't find class on path: dexpathlist

In this situation, the user attempts to run a project integrating native Android NDK code, but encounters an error: "java.lang.ClassNotFoundException: Didn't find class 'android.app.POMActivity' on path."

The user's provided code includes:

• main.cpp: Wrapper for Android-based Irrlicht engine.
• Android.mk: Build script for the shared library incorporating the native code and Android's native application glue.
• AndroidManifest.xml: Specifies the activity "android.app.POMActivity."

The error suggests that the Android operating system fails to locate the "android.app.POMActivity" class during runtime. To resolve this, ensure the following:

1. Disable Instant Run: Go to File > Settings > Build,Execution, Deployment > Instant Run and uncheck the instant run checkbox.
2. Rebuild the Project: After disabling Instant Run, rebuild the project.
3. Re-run the Application: Run the application again.

By following these steps, the issue should be resolved, and the application should run as intended.

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