"JNI" C branch

 Public classMainactivityextendsActivity {Static{system.loadlibrary ("Hello"); } @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);    Setcontentview (R.layout.activity_main); }     Public voidClick (View v) {CALLC (); }         Public native voidCALLC ();}

Android.mk

Local_path: = $ (call my-+ =-lloglocal_module    := hellolocal_src_files:=  Hello.cinclude $ (build_shared_library)

Application.mk

App_abi: = Armeabi x86

#include <jni.h>#include<android/log.h>#defineLog_tag "System.out"#defineLOGD (...) __android_log_print (Android_log_debug, Log_tag, __va_args__)#defineLogi (...) __android_log_print (Android_log_info, Log_tag, __va_args__)voidJAVA_COM_ITHEIMA_FORK_MAINACTIVITY_CALLC (JNIENV *env, Jobject obj) {    //sub-expenditure C process    intPID =Fork (); //if 0, the branch succeeds    if(PID = =0){         while(1) {Logi ("Hello Xiaozhi"); Sleep (1); }    }}

"JNI" C branch