School of Information Science and Technology;
ShanghaiTech University;
Shanghai 201210;
China;
Shanghai Institute of Microsystem and Information Technology;
Chinese Academy of Sciences;
Shanghai 200050;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
College of Intelligence and Computing;
Tianjin University;
Tianjin 300350;
China;
College of Cyber Science;
Nankai University;
Tianjin 300350;
China;
School of Computer Science;
Fudan University;
Shanghai 200438;
China;
Android; activity hijacking; Android security; mobile security;