Catherine

We have 3 `MainActivity` in `ClassLoader`, `Resource1` and `resource2`. You could import the same dependencies such as `com.android.support:appcompat-v7` in both `Resource1` and `Resource2`, and it works well because the `ClassLoader`...

Exactly.

I am afraid that as far as I know, any activity that extends AppCompatActivity cannot be executed properly. While AppCompatActivity tries to get resources via IDs, ClassLoader cannot find those...