Added contents of activity_main.xml.

Author: JonEckenrode

misc/src/main/res/layout/activity_main.xml

@@ -1 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- For activity embedding snippets. -->
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
 
+<Button
+    android:text="Info"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:id="@+id/infoButton"/>
+
+<Button
+    android:text="Pin"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:id="@+id/pinButton"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>