I feel like I've done this before ...

HelloAndroid/src/com/mbh/HelloAndroid.java

@@ -0,0 +1,15 @@
+package com.mbh;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class HelloAndroid extends Activity
+{
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+    }
+}