diff --git a/Android.mk b/Android.mk
index c1c408d..dda7f0c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -27,6 +27,6 @@
 
 LOCAL_OVERRIDES_PACKAGES := Home
 
-LOCAL_PROGUARD_ENABLED := disabled
+LOCAL_PROGUARD_FLAGS := -include $(LOCAL_PATH)/proguard.flags
 
 include $(BUILD_PACKAGE)
diff --git a/proguard.flags b/proguard.flags
new file mode 100644
index 0000000..b8aeff7
--- /dev/null
+++ b/proguard.flags
@@ -0,0 +1,4 @@
+-keep class com.android.launcher2.Launcher {
+  public void previousScreen(android.view.View);
+  public void nextScreen(android.view.View);
+}