diff --git a/com.ibm.wala.dalvik/StringTest.apk b/com.ibm.wala.dalvik/StringTest.apk
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index 000000000..e00f1b2a1
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diff --git a/com.ibm.wala.dalvik/lib/android/android-2.3.7_r1.jar b/com.ibm.wala.dalvik/lib/android/android-2.3.7_r1.jar
new file mode 100644
index 000000000..a708e44b0
Binary files /dev/null and b/com.ibm.wala.dalvik/lib/android/android-2.3.7_r1.jar differ
diff --git a/com.ibm.wala.dalvik/models/ActivityModel.apk b/com.ibm.wala.dalvik/models/ActivityModel.apk
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index 000000000..65d34ec21
Binary files /dev/null and b/com.ibm.wala.dalvik/models/ActivityModel.apk differ
diff --git a/com.ibm.wala.dalvik/models/src/ActivityModelActivity.java b/com.ibm.wala.dalvik/models/src/ActivityModelActivity.java
new file mode 100644
index 000000000..7638a72a1
--- /dev/null
+++ b/com.ibm.wala.dalvik/models/src/ActivityModelActivity.java
@@ -0,0 +1,63 @@
+/*
+ *
+ * Copyright (c) 2009-2012,
+ *
+ *  Steve Suh           <suhsteve@gmail.com>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. The names of the contributors may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ *
+ */
+
+package activity.model;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class ActivityModelActivity extends Activity {
+        /*   |, /, \ flow down
+     *   ^ flow up , <= flow left, => flow right
+     *
+     *                     onCreate(...)
+     *                          |
+     *  ================>    onStart()
+     *  ^                  /          \
+     *  ^            onStop() <====   onResume()  <======
+     *  ^              /   \      ^<====      |         ^
+     *  ^ <= onRestart()  onDestroy()  ^<= onPause() => ^
+     *                         |
+     *                       (kill) 
+     *                       
+     */
+	public void ActivityModel() {
+    	//is null correct for savedInstanceState?
+		//com.galois.ReadsContactApp.ReadsContactApp rca = new com.galois.ReadsContactApp.ReadsContactApp();
+		
+    }
+}