--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>\r
+<selector xmlns:android="http://schemas.android.com/apk/res/android" \r
+ xmlns:openrocket="http://schemas.android.com/apk/res/net.sf.openrocket"\r
+ android:constantSize="true" android:dither="true" android:variablePadding="false">\r
+ <item android:drawable="@drawable/simulation_state_red" openrocket:simulation_invalid="true"/>\r
+ <item android:drawable="@drawable/simulation_state_yellow" openrocket:simulation_stale="true"/>\r
+ <item android:drawable="@drawable/simulation_state_green"/>\r
+</selector>
\ No newline at end of file