{"id":172,"date":"2024-09-18T23:51:51","date_gmt":"2024-09-18T15:51:51","guid":{"rendered":"https:\/\/newstrong.xyz\/?p=172"},"modified":"2024-09-18T23:51:51","modified_gmt":"2024-09-18T15:51:51","slug":"android%e5%bc%80%e5%8f%91-jni%e5%8f%8d%e5%b0%84kotlin%e9%9d%99%e6%80%81%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/newstrong.top\/index.php\/2024\/09\/18\/android%e5%bc%80%e5%8f%91-jni%e5%8f%8d%e5%b0%84kotlin%e9%9d%99%e6%80%81%e6%96%b9%e6%b3%95\/","title":{"rendered":"Android\u5f00\u53d1—–JNI\u53cd\u5c04kotlin\u9759\u6001\u65b9\u6cd5"},"content":{"rendered":"

Google\u5b98\u65b9sample\u4e2d\u7684\u95ee\u9898<\/h4>\n

google\u5b98\u65b9\u7684ndk-sample<\/code>\u4e2d\u7684hello-jnicallback<\/code>\u9879\u76ee, \u5728\u901a\u8fc7\u53cd\u5c04\u8c03\u7528JniHandler.java<\/code>\u7c7b\u4e2d\u7684getBuildVersion()<\/code>\u65b9\u6cd5\u65f6,
\n\u7531\u4e8e\u662f\u76f4\u63a5\u8c03\u7528\u7684java\u7684static<\/code>\u65b9\u6cd5,\u5e76\u6ca1\u6709\u51fa\u9519
\n<\/p>\n

\u800c\u5728kotlin\u7684\u8bed\u6cd5\u4e2d, \u8981\u5b9e\u73b0java\u4e2dstatic<\/code>\u9700\u8981\u4f7f\u7528\u5230companion<\/code>\u5173\u952e\u5b57
\n<\/p>\n

\u4f46\u662f\u5982\u679c\u53ea\u662f\u589e\u52a0\u4e86companion<\/code>, \u90a3\u4e48\u5728jni\u4e2d\u901a\u8fc7GetStaticMethodID()<\/code>\u83b7\u53d6getBuildVersion()<\/code>\u9759\u6001\u65b9\u6cd5\u4f1a\u62a5\u5982\u4e0b\u9519\u8bef
\n<\/p>\n

JNI\u53cd\u5c04Kotlin\u9759\u6001\u65b9\u6cd5\u7684\u65b9\u5f0f<\/h4>\n

\u65b9\u6cd5\u4e00<\/strong>
\n\u7f51\u4e0a\u641c\u7d22\u4e86\u4e00\u4e9b\u8d44\u6599,\u67e5\u8be2\u4e86\u76f8\u5173API\u627e\u5230\u4e86\u5982\u4e0b\u65b9\u6cd5(\u8be5\u65b9\u6cd5\u53c2\u8003Jni \u53cd\u5c04 Kotlin \u9759\u6001\u5185\u90e8\u7c7b\u6210\u5458\u51fd\u6570<\/a>)
\n\u4e3b\u8981\u662f\u901a\u8fc7\u53cd\u5c04\u5148\u83b7\u53d6companion<\/code>\u9759\u6001\u5c5e\u6027\u5bf9\u8c61, \u7136\u540e\u518d\u901a\u8fc7\u8be5\u5bf9\u8c61\u8c03\u7528\u5176\u65b9\u6cd5
\n<\/p>\n

\u65b9\u6cd5\u4e8c<\/strong>
\n\u8be5\u65b9\u6cd5\u662f\u65e0\u610f\u95f4\u60f3\u8d77kotlin\u4e2d\u6709\u4e00\u4e2a@JvmStatic<\/code>\u6ce8\u89e3, \u8be5\u6ce8\u89e3\u6ce8\u91ca\u5982\u4e0b
\n<\/p>\n

\n

\u5927\u610f\u662f\u8bf4, \u5982\u679c@JvmStatic<\/code>\u6ce8\u89e3\u7528\u5728\u51fd\u6570\u4e0a,\u90a3\u4e48\u4f1a\u751f\u6210\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5; \u5982\u679c\u662f\u7528\u5728\u5c5e\u6027\u4e0a, \u90a3\u4e48\u5c31\u4f1a\u5bf9\u5e94\u7684\u751f\u6210\u9759\u6001setter\/getter<\/code>\u65b9\u6cd5<\/p>\n<\/blockquote>\n

\u65e2\u7136\u5982\u6b64,\u90a3\u4e48\u5c31\u53ef\u4ee5\u4f7f\u7528\u8be5\u6ce8\u89e3\u6765\u5b9e\u73b0jni\u53cd\u5c04kotlin\u4e2d\u7684static<\/code>
\n<\/p>\n

\u52a0\u4e0a\u8be5\u6ce8\u89e3\u540e, jni\u4e2d\u7684\u4ee3\u7801\u5c31\u53ef\u4ee5\u5199\u4e3agoogle\u5b98\u65b9sample\u4e2d\u7684\u65b9\u5f0f
\n<\/p>\n

\u5173\u4e8e@JvmStatic\u6ce8\u89e3<\/h4>\n

\u65b9\u6cd5\u4e8c\u4e2d\u4f7f\u7528\u5230\u8be5\u6ce8\u89e3\u6765\u89e3\u51b3jni\u53cd\u5c04kotlin\u9759\u6001\u7684\u95ee\u9898, \u8be5\u6ce8\u89e3\u7684\u529f\u80fd\u76f4\u63a5\u770b\u5b57\u8282\u7801\u6587\u4ef6\u6bd4\u8f83\u6e05\u6670
\n<\/p>\n

\u82e5\u4e0d\u9002\u7528\u8be5\u6ce8\u89e3,\u90a3\u4e48\u5b57\u8282\u7801\u6587\u4ef6\u5982\u4e0b\u56fe, \u53ef\u4ee5\u770b\u5230\u5e76\u4e0d\u4f1a\u751f\u6210\u4e00\u4e2a\u5bf9\u5e94\u7684static\u65b9\u6cd5, \u6240\u4ee5\u6309\u7167googl-sample\u7684\u65b9\u5f0f\u8c03\u7528\u65f6, \u4f1a\u627e\u4e0d\u5230\u8be5\u65b9\u6cd5\u4ece\u800c\u62a5\u9519
\n<\/p>\n

\u6587\u7ae0\u6765\u6e90\u4e8e\u4e92\u8054\u7f51:
\n Android\u5f00\u53d1—–JNI\u53cd\u5c04kotlin\u9759\u6001\u65b9\u6cd5<\/p>\n

<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Google\u5b98\u65b9sample\u4e2d\u7684\u95ee\u9898 google\u5b98\u65b9\u7684ndk-sample\u4e2d\u7684hello-jnicallba...<\/p>\n","protected":false},"author":1,"featured_media":178,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-android"],"_links":{"self":[{"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/posts\/172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/comments?post=172"}],"version-history":[{"count":0,"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/posts\/172\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/media\/178"}],"wp:attachment":[{"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/media?parent=172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/categories?post=172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newstrong.top\/index.php\/wp-json\/wp\/v2\/tags?post=172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}