Hijacking Activity Technology Analysis and Research in Android System

Since Android is open, as many as people begin to pay close attention to Android, such as the program developer, the users. In this paper, on the basis of an Android application program, we expound the basic characteristics of the Activity, Including the life cycle of Activity. According to the characteristics of the Activity, we focus on explaining the management mechanism and the switch bug of the Activity. At the end we describe the exploits of the Activity and finish the Activity hijack.