{"id":128695,"date":"2024-03-25T07:28:53","date_gmt":"2024-03-24T22:28:53","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/android-jni-%e3%81%ae%e5%91%bc%e3%81%b3%e5%87%ba%e3%81%97%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f\/"},"modified":"2024-04-04T16:33:11","modified_gmt":"2024-04-04T07:33:11","slug":"android-jni-%e3%81%ae%e5%91%bc%e3%81%b3%e5%87%ba%e3%81%97%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/android-jni-%e3%81%ae%e5%91%bc%e3%81%b3%e5%87%ba%e3%81%97%e6%96%b9%e6%b3%95%e3%81%af%ef%bc%9f\/","title":{"rendered":"Android JNI \u306e\u547c\u3073\u51fa\u3057\u65b9\u6cd5\u306f\uff1f"},"content":{"rendered":"

Android\u3067\u306f\u3001JNI(Java Native Interface)\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001Java\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\uff08C\/C++\u306a\u3069\uff09\u306e\u76f8\u4e92\u547c\u3073\u51fa\u3057\u304c\u884c\u3048\u308b\u3002JNI\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001Java\u30b3\u30fc\u30c9\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u308a\u3001\u9006\u306b\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u304b\u3089Java\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n

JNI\u547c\u3073\u51fa\u3057\u306b\u3088\u308b\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u306e\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  1. \u30cd\u30a4\u30c6\u30a3\u30d6\u30e1\u30bd\u30c3\u30c9\u306e\u5ba3\u8a00\uff1aJava\u30af\u30e9\u30b9\u3067native\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u5ba3\u8a00\u3057\u3001\u305d\u308c\u304c\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u3067\u5b9f\u88c5\u3055\u308c\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
    public<\/span> native<\/span> void<\/span> nativeMethod<\/span>()<\/span>;\r\n<\/code><\/pre>\n
      \n
    1. Java\u306ejavah\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066C\/C++\u306e\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001JNI\u306e\u547c\u3073\u51fa\u3057\u306b\u5fc5\u8981\u306a\u95a2\u6570\u5ba3\u8a00\u3092\u542b\u3081\u308b<\/li>\n<\/ol>\n
      javah -jni com.example.MyClass\r\n<\/code><\/pre>\n
      \u751f\u6210\u3055\u308c\u308b\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u306f com_example_MyClass.h \u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059<\/p>\n
        \n
      1. C\/C++ \u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002\u751f\u6210\u3055\u308c\u305f\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3057\u3001C\/C++ \u8a00\u8a9e\u3067\u5bfe\u5fdc\u3059\u308b\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u672c\u6587\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
        #include<\/span> <jni.h><\/span><\/span>\r\n#include<\/span> \"com_example_MyClass.h\"<\/span><\/span>\r\nJNIEXPORT void<\/span> JNICALL Java_com_example_MyClass_nativeMethod<\/span>(JNIEnv *env, jobject obj)<\/span> <\/span>{\r\n\/\/ \u5b9e\u73b0\u672c\u5730\u4ee3\u7801\u903b\u8f91<\/span>\r\n}\r\n<\/code><\/pre>\n
          \n
        1. Java\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ed\u30fc\u30c9\u3059\u308b\uff1aJava\u30b3\u30fc\u30c9\u3067System.loadLibrary()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30cd\u30a4\u30c6\u30a3\u30d6\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ed\u30fc\u30c9\u3057\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u3068Java\u30b3\u30fc\u30c9\u306b\u9023\u643a\u3055\u305b\u308b\u3002<\/li>\n<\/ol>\n
          static<\/span> {\r\nSystem.loadLibrary(\"mylibrary\"<\/span>);\r\n}\r\n<\/code><\/pre>\n
            \n
          1. \u30cd\u30a4\u30c6\u30a3\u30d6\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\uff1aJava \u30b3\u30fc\u30c9\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
            public<\/span> class<\/span> MyClass<\/span> {\r\npublic<\/span> native<\/span> void<\/span> nativeMethod<\/span>()<\/span>;\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\nMyClass<\/span> myObject<\/span> =<\/span> new<\/span> MyClass<\/span>();\r\nmyObject.nativeMethod(); \/\/ \u8c03\u7528native\u65b9\u6cd5<\/span>\r\n}\r\n}\r\n<\/code><\/pre>\n
            \u4e0a\u8a18\u624b\u9806\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001Java\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u6642\u306b\u30cd\u30a4\u30c6\u30a3\u30d6\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u3067\u5b9f\u88c5\u3055\u308c\u305f\u30cd\u30a4\u30c6\u30a3\u30d6\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            Android\u3067\u306f\u3001JNI(Java Native Interface)\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001Java\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\uff08C\/C++\u306a\u3069\uff09\u306e\u76f8\u4e92\u547c\u3073\u51fa\u3057\u304c\u884c\u3048\u308b\u3002JNI\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001Java\u30b3\u30fc\u30c9\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u306e\u30e1\u30bd […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-128695","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nAndroid JNI \u306e\u547c\u3073\u51fa\u3057\u65b9\u6cd5\u306f\uff1f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/android-jni-\u306e\u547c\u3073\u51fa\u3057\u65b9\u6cd5\u306f\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Android JNI \u306e\u547c\u3073\u51fa\u3057\u65b9\u6cd5\u306f\uff1f\" \/>\n<meta property=\"og:description\" content=\"Android\u3067\u306f\u3001JNI(Java Native Interface)\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001Java\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\uff08C\/C++\u306a\u3069\uff09\u306e\u76f8\u4e92\u547c\u3073\u51fa\u3057\u304c\u884c\u3048\u308b\u3002JNI\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001Java\u30b3\u30fc\u30c9\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6\u30b3\u30fc\u30c9\u306e\u30e1\u30bd […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/android-jni-\u306e\u547c\u3073\u51fa\u3057\u65b9\u6cd5\u306f\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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