#include?“sample_lib.h“
#include?
#include?
#include?

//?usage?of?log
#define??LOGINFO（x...）??__android_log_print（ANDROID_LOG_INFO“SampleJNI“x）


jdouble?Java_com_oreilly_demo_android_pa_ndkdemo_SampleActivityWithNativeMethods_calculatePower（?JNIEnv*?env?jobject?thisobject?jdouble?x?jdouble?y）?{

????LOGINFO（“Sample?Debug?Log?Output“）;

????//?we?call?sample-lib‘s?calculate?method
????return?calculatePower（x?y）;
}

jstring?Java_com_oreilly_demo_android_pa_ndkdemo_SampleActivityWithNativeMethods_whatAmI（JNIEnv*?env?jobject?thisobject）?{
	__android_log_print（ANDROID_LOG_WARN“SampleJNI““Sample?Warning?Log?Output“）;

	uint64_t?cpu_features;

	if?（android_getCpuFamily（）?!=?ANDROID_CPU_FAMILY_ARM）?{
		return?（*env）->NewStringUTF（env?“Not?ARM“）;
	}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-16?19:45??NDKDemo\
?????文件????????1561??2014-08-13?09:43??NDKDemo\AndroidManifest.xml
?????目錄???????????0??2016-05-16?19:45??NDKDemo\jni\
?????文件????????1147??2014-08-13?09:43??NDKDemo\jni\Android.mk
?????文件?????????104??2014-08-13?09:43??NDKDemo\jni\Application.mk
?????文件????????1253??2014-08-13?09:43??NDKDemo\jni\sample.c
?????目錄???????????0??2016-05-16?19:45??NDKDemo\jni\samplelib\
?????文件?????????170??2014-08-13?09:43??NDKDemo\jni\samplelib\sample_lib.c
?????文件?????????103??2014-08-13?09:43??NDKDemo\jni\samplelib\sample_lib.h
?????文件????????1618??2014-08-13?09:43??NDKDemo\jni\sample_nativeactivity.c
?????文件????????4655??2014-08-13?09:43??NDKDemo\jni\sample_nativeactivity_opengl.c
?????文件????????1248??2014-08-13?09:43??NDKDemo\proguard.cfg
?????文件?????????361??2014-08-13?09:43??NDKDemo\project.properties
?????文件?????????172??2014-08-13?09:43??NDKDemo\README.txt
?????目錄???????????0??2016-05-16?19:45??NDKDemo\res\
?????目錄???????????0??2016-05-16?19:45??NDKDemo\res\drawable-hdpi\
?????文件????????7068??2014-08-13?09:43??NDKDemo\res\drawable-hdpi\icon.png
?????目錄???????????0??2016-05-16?19:45??NDKDemo\res\drawable-ldpi\
?????文件????????3509??2014-08-13?09:43??NDKDemo\res\drawable-ldpi\icon.png
?????目錄???????????0??2016-05-16?19:45??NDKDemo\res\drawable-mdpi\
?????文件????????3509??2014-08-13?09:43??NDKDemo\res\drawable-mdpi\icon.png
?????目錄???????????0??2016-05-16?19:45??NDKDemo\res\layout\
?????文件?????????718??2014-08-13?09:43??NDKDemo\res\layout\main.xml
?????文件????????1145??2014-08-13?09:43??NDKDemo\res\layout\sample.xml
?????目錄???????????0??2016-05-16?19:45??NDKDemo\res\values\
?????文件?????????110??2014-08-13?09:43??NDKDemo\res\values\strings.xml
?????目錄???????????0??2016-05-16?19:45??NDKDemo\src\
?????目錄???????????0??2016-05-16?19:45??NDKDemo\src\com\
?????目錄???????????0??2016-05-16?19:45??NDKDemo\src\com\oreilly\
?????目錄???????????0??2016-05-16?19:45??NDKDemo\src\com\oreilly\demo\
?????目錄???????????0??2016-05-16?19:45??NDKDemo\src\com\oreilly\demo\android\
............此處省略14個文件信息