dissertation

C.4 Delayed responsesThis is the code for delaying responses to contact list queries. It is providedas a patch on top of CyanogenMod. The original CyanogenMod source coderepository is available at git://github.com/CyanogenMod/android packages providers ContactsProvider, and this patch is on topof the branch gb-release-7.2. The patched file is src/com/android/providers/contacts/ContactsProvider2.java, which is installed on thephone as part of the contacts provider package, /system/app/ContactsProvider.apk.For each call to query() in the contact list provider, the code checks thename of the calling program. If that name matches that of a known forensicstool, it sleeps for a set period before performing any work. In this version ofthe code, the period is thirty seconds, but this can be changed by changingthe argument given in the call to the function Thread.sleep().91