Android program monitoring system and method based on bytecode instrumentation

The present invention provides an Android program monitoring system based on the bytecode instrumentation. The system comprises: an Android program dex file injection module based on the bytecode analysis, for injecting the Android program monitoring dex file into the Android program; an Android program monitoring module, for storing the Android program monitoring dex file; and a monitoring log analysis module, for extracting and analyzing the Android device monitoring log. The present invention also provides an Android program monitoring method based on the bytecode instrumentation. By virtue of the method, the Android program monitoring dex file is injected into the Android program, the monitoring log is generated through the Android program monitoring dex file, and the monitoring analysis report with multiple dimensions is obtained by analyzing the monitoring log; and according to the system and method disclosed by the present invention, the monitoring information is collected without modifying the program