4. \u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b
\njni \u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057 New->File \u3092\u62bc\u3057 Android.mk \u3068\u3044\u3046\u540d\u524d\u3067\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u4f55\u304b\u805e\u304b\u308c\u307e\u3059\u304c\u3001\u3068\u308a\u3042\u3048\u305a\u305d\u306e\u307e\u307e\u3067OK\u3067\u3059\u3002<\/p>\n
\u7a7a\u306e Android.mk \u304c\u4f5c\u6210\u3055\u308c\u958b\u304b\u308c\u305f\u3089 \u4e2d\u306b\u8a18\u8ff0\u3092\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n
\r\nLOCAL_PATH := $(call my-dir)\r\ninclude $(CLEAR_VARS)\r\n\r\nLOCAL_MODULE := hello\r\nLOCAL_SRC_FILES := hello.c\r\n\r\ninclude $(BUILD_SHARED_LIBRARY)\r\n<\/pre>\njni\u30d5\u30a9\u30eb\u30c0\u306e\u4e2d\u306b\u3001LOCAL_SRC_FILES \u3068\u540c\u3058\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n
\u4f5c\u3089\u308c\u305f\u30d5\u30a1\u30a4\u30eb (\u4eca\u56de\u306fhello.c)\u306e\u4e2d\u306b\u8a18\u8ff0\u3092\u3057\u3066\u3044\u304d\u307e\u3059<\/p>\n
\r\n#include <string.h>\r\n#include <jni.h>\r\n\r\njstring Java_info_nukoneko_test_hoge_MainActivity_helloWorld(JNIEnv* env, jobject javaThis){\r\n return (*env)->NewStringUTF(env, "Hello World!.");\r\n}\r\n<\/pre>\n\u30fb\u623b\u308a\u5024\u306e\u578b jstring
\nJava\u306eString\u578b\u3067\u8fd4\u3057\u305f\u3044\u3068\u304d\u306f jstring \u3092\u6307\u5b9a\u3059\u308b
\n\u305f\u3068\u3048\u3070int\u306a\u3089 jint<\/p>\n
\u30fb\u95a2\u6570\u540d Java_info_nukoneko_test_hoge_MainActivity_helloWorld
\n\u9577\u3063\u305f\u3089\u3057\u3044\u3067\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u5fc5\u8981\u306a\u8a18\u8ff0\u3067\u3059<\/p>\n
\u30fbJava
\n\u3000\u5fc5\u305a\u3064\u3051\u307e\u3059 java_ \u3058\u3083\u99c4\u76ee\u3067\u3059..<\/p>\n
\u30fbinfo_nukoneko_test_hoge
\n\u3000\u3053\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059Activity\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u540d\u3067\u3059
\n\u3000package info.nukoneko.test.hoge;
\n\u3000\u306e . \u3092 _ \u306b\u5909\u3048\u305f\u3082\u306e\u3067\u3059\u306d<\/p>\n
\u30fbMainActivity
\n\u3000\u3053\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059Activity\u306e\u540d\u524d\u3067\u3059<\/p>\n
\u30fbhelloWorld
\n\u3000Java\u5074\u3067\u547c\u3076\u3068\u304d\u306e\u95a2\u6570\u540d\u3067\u3059<\/p>\n
\u4f8b\u3048\u3070\u3001
\n\u623b\u308a\u5024\u306e\u578b int
\n\u30d1\u30c3\u30b1\u30fc\u30b8\u540d com.aaa
\nActivity\u540d CalcActivity
\n\u95a2\u6570\u540d sum
\n\u306a\u3089
\njint Java_com_aaa_CalcActivity_sum(JNIEnv* env, jobject javaThis, …
\n\u306b\u306a\u308b\u3067\u3057\u3087\u3046<\/p>\n
\u5f15\u6570\u306e JNIEnv* env, jobject javaThis
\n\u306f\u5fc5\u305a\u5fc5\u8981\u306a\u8a18\u8ff0\u3067\u3059\u3002
\n\u3053\u306e\u95a2\u6570\u81ea\u4f53\u3067\u5f15\u6570\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f
\n..(JNIEnv* env, jobject javaThis, jstring hoge, jint huga)
\n\u306a\u3069\u3068\u7d9a\u304d\u307e\u3059\u3002<\/p>\n
\u9577\u304f\u306a\u3063\u3066\u304d\u305f\u306e\u3067 2<\/a>\u306b\u7d9a\u304d\u307e\u3059<\/p>\n","protected":false},"excerpt":{"rendered":"Android\u3067\u753b\u50cf\u51e6\u7406\u3092\u3057\u305f\u304b\u3063\u305f\u306e\u3067\u3001\u307e\u305aNDK\u3092\u5c0e\u5165\u3057\u305f\u3089\u8e93\u3044\u305f\u306e\u3067\u30e1\u30e2 \u8ffd\u8a18:2015-06-09 \u3053\u3093\u306a\u9577\u3005\u3068\u4f5c\u696d\u3057\u306a\u304f\u3066\u3082\u3001\u73fe\u5728\u306e\u74b0\u5883\u3060\u3068build.gradle\u306b\u624b\u3092\u52a0\u3048\u308b\u3060\u3051\u3067\u3082\u3063\u3068\u7c21\u5358\u306b\u3067\u304d\u307e\u3059\u3002 \u8a18\u4e8b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,31],"tags":[],"class_list":["post-373","post","type-post","status-publish","format-standard","hentry","category-android-2","category-java"],"_links":{"self":[{"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=\/wp\/v2\/posts\/373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=373"}],"version-history":[{"count":14,"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=\/wp\/v2\/posts\/373\/revisions"}],"predecessor-version":[{"id":450,"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=\/wp\/v2\/posts\/373\/revisions\/450"}],"wp:attachment":[{"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nukoneko.info\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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