Adding a base activity that will change what's being overriden

app/src/main/java/srct/whatsopen/views/activities/BaseThemeActivity.java

+package srct.whatsopen.views.activities;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import srct.whatsopen.R;
+
+public abstract class BaseThemeActivity extends AppCompatActivity {
+    @Override
+    public void onCreate(Bundle bundle) {
+        setTheme(R.style.darkTheme);
+        super.onCreate(bundle);
+    }
+}