android_native_app_blue库是java类NativeActivity和原生main.cpp中android_main函数入口的连接中介，具体调用路径如下：
sequenceDiagram
NativeActivity.java->>NativeActivity.cpp: loadNativeCode
NativeActivity.cpp-->>android_native_cpp_glue.c: loadNativeCode_native
android_native_cpp_glue.c->>android_native_cpp_glue.c: ANativeActivity_onCreate
android_native_cpp_glue.c->>android_native_cpp_glue.c: android_app_create
android_native_cpp_glue.c->>main.cpp: android_app_entry
main.cpp->>main.cpp:android_main
