The MainActivity class

The default project generated with Empty Activity also created a default file. In the hierarchy pane, locate the app/java/ directory that contains a subdirectory named com.cardbookvr.skeleton.


Note, this is different than the androidTest version of the directory, we're not using that one! (Your name may vary based on the actual project and domain names given when you created the project.)

In this folder, double-click on the file to open it for editing. The default file looks like this:

package com.cardbookvr.skeleton; import ... public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...

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