Android How to build/Pre/pre-compile files (run programs, applications, APK, Jar, Lib and other random files) into the system

Method One:
If you want to build a software name of Iperf.exe
1. Place the Iperf.exe under a random folder in codebase (the folder must be searchable when searching for android.mk), for example System/iperf/iperf.exe
2. Add a android.mk file under the System/iperf folder, such as the following:
Local_path:= $ (call My-dir)
Product_copy_files + = $ (local_path)/iperf.exe:system/iperf/iperf.exe
Compile codebase again and the file will be built into the System/iperf folder of your phone
This method prevents the APK file from being copied
Method Two:
Can be used prebuilt method, but the file format is required

Android How to build/Pre/pre-compile files (run programs, applications, APK, Jar, Lib and other random files) into the system