{"id":864,"date":"2016-11-25T09:15:34","date_gmt":"2016-11-25T01:15:34","guid":{"rendered":"http:\/\/www.jiandaima.com\/blog\/?p=864"},"modified":"2016-11-25T09:17:25","modified_gmt":"2016-11-25T01:17:25","slug":"android-studio-jni-%e5%bc%80%e5%8f%91%e7%ae%80%e5%8d%95%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"http:\/\/www.jiandaima.com\/blog\/archives\/864.html","title":{"rendered":"Android Studio JNI \u5f00\u53d1\u7b80\u5355\u6848\u4f8b"},"content":{"rendered":"<p>\u8fdb\u7a0b\u4fdd\u6d3b\uff0c\u70ed\u4fee\u590d\uff0c\u786c\u4ef6\u63a5\u5165\u7b49\u7b49\u90fd\u9700\u8981\u5e95\u5c42\u7684\u652f\u6301\uff0c\u800c\u5e95\u5c42\u4ee3\u7801\u662f C \u3001C++ \u5199\u7684\uff0c\u90a3\u4e48\u5728 Android \u4e2d\u600e\u4e48\u8c03\u7528\u5e95\u5c42\u7684\u5e93\u5462\uff1f\u8fd9\u91cc\u5c31\u9700\u8981\u4e86\u89e3 JNI \u6280\u672f\u3002<\/p>\n<p>Android Studio \u51fa\u6765\u4e24\u5e74\u591a\u4e86\uff0c\u7f51\u4e0a\u9488\u5bf9 AS \u5f00\u53d1 JNI \u5de5\u7a0b\u8d44\u6e90\u6bd4\u8f83\u5c11\uff0c\u9488\u5bf9\u4e8e\u6b64\uff0c\u6211\u7279\u610f\u5199\u4e0b\u672c\u7bc7\u535a\u5ba2\uff0c\u5e0c\u671b\u80fd\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p>\u914d\u7f6e\u73af\u5883<\/p>\n<p>\u6361\u4ee3\u7801\u8bba\u575b\uff08bbs.jiandaima.com\uff09\u6574\u7406\u63d0\u4f9b<\/p>\n<p><a href=\"http:\/\/www.androiddevtools.cn\/\" target=\"_blank\">\u4e0b\u8f7dNDK \u8bf7\u70b9\u51fb\u8fd9\u91cc<\/a> \uff0c\u5e76\u8fdb\u884c\u73af\u5883\u914d\u7f6e\uff0c\u5982\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929094157806\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929094157806\" width=\"565\" height=\"291\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u9879\u76ee\u5173\u8054NDK \uff0c\u5177\u4f53\u64cd\u4f5c\u5982\u56fe\uff1a<br \/>\n\u53f3\u952e\u4f60\u7684\u5de5\u7a0b\u9879\u76ee\uff0c\u9009\u62e9 \u3010Open Module Settings\u3011<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160927231339511\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160927231339511\" width=\"714\" height=\"699\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u5728 \u3010Android NDK location\u3011\u914d\u7f6e NDK \u7684\u6309\u7740\u76ee\u5f55\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160927231733485\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160927231733485\" width=\"1028\" height=\"877\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u6700\u540e\u5728 \u9879\u76ee\u6839\u76ee\u5f55 \u3010gradle.properties\u3011 \u4e0b\u52a0\u4e0a\uff1a<\/p>\n<pre class=\"brush: xml; title: ; notranslate\" title=\"\">\r\n\r\nandroid.useDeprecatedNdk=true\r\n\r\n<\/pre>\n<p>\u5982\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160927232029357\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160927232029357\" width=\"814\" height=\"562\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>JNI\u5b9e\u73b0<\/p>\n<p>\u65b0\u5efa JNI_DEMO \u9879\u76ee\uff0c\u5b8c\u6210\u4ee5\u4e0a\u7684\u914d\u7f6e\u5de5\u4f5c\u3002\u6211\u7684\u9879\u76ee\u8def\u5f84\u4e3a\uff1aD:\\Android_Study_Demos\\JNI_DEMO<\/p>\n<p>\u751f\u6210 .h \u6587\u4ef6<br \/>\n\u65b0\u5efaTestJNI\u7c7b<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\npublic class TestJNI {\r\n\r\n   public native String HelloWord(String str);\r\n\r\n}\r\n<\/pre>\n<p> <a href=\"http:\/\/img.blog.csdn.net\/20160929112828106\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929112828106\" width=\"967\" height=\"405\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u5728cmd\u547d\u4ee4\u4e0b\u9762\uff0ccd\u5230java\u76ee\u5f55\uff0c\u8f93\u5165javah -jni com.github.jni_demo.TestJNI\u547d\u4ee4\uff0c\u751f\u6210 .h \u6587\u4ef6\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929095030864\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929095030864\" width=\"657\" height=\"303\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u6ce8\u610f\uff1acom.github.jni_demo.TestJNI \u4e0d\u80fd cd com \uff0c cd github\u2026\u2026\u5426\u5219\u7f16\u8bd1\u4e0d\u6210\u529f\u3002<\/p>\n<p>\u4f60\u4f1a\u53d1\u73b0\u5728\u4f60\u7684java\u8def\u52b2\u4e0b\u751f\u6210\u4e86com_github_jni_demo_TestJNI.h\u6587\u4ef6\uff1a<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n\r\n\/* DO NOT EDIT THIS FILE - it is machine generated *\/\r\n#include &lt;jni.h&gt;\r\n\/* Header for class com_github_jni_demo_TestJNI *\/\r\n\r\n#ifndef _Included_com_github_jni_demo_TestJNI\r\n#define _Included_com_github_jni_demo_TestJNI\r\n#ifdef __cplusplus\r\nextern &quot;C&quot; {\r\n#endif\r\n\/*\r\n * Class:     com_github_jni_demo_TestJNI\r\n * Method:    HelloWord\r\n * Signature: (Ljava\/lang\/String;)Ljava\/lang\/String;\r\n *\/\r\nJNIEXPORT jstring JNICALL Java_com_github_jni_1demo_TestJNI_HelloWord\r\n  (JNIEnv *, jobject, jstring);\r\n\r\n#ifdef __cplusplus\r\n}\r\n#endif\r\n#endif\r\n\r\n<\/pre>\n<p>\u7136\u540e\u53f3\u952e app >New> Folder > JNI Folder \u751f\u6210jni\u76ee\u5f55\u5982\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929095919082\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929095919082\" width=\"900\" height=\"506\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u7136\u540e\u62f7\u8d1dcom_github_jni_demo_TestJNI.h\u5230jni\u76ee\u5f55\u4e0b\u9762\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929100219973\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929100219973\" width=\"356\" height=\"265\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u751f\u6210 .C \u6587\u4ef6<br \/>\n\u53f3\u952ejni\uff0c\u751f\u6210com_github_jni_demo_TestJNI.cpp\u6587\u4ef6\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929100511740\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929100511740\" width=\"593\" height=\"212\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u62f7\u8d1d\u4ee5\u4e0b\u4ee3\u7801\u5230 .cpp \u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">\r\n\r\n#include &lt;stdio.h&gt;\r\n#include &lt;stdlib.h&gt;\r\n#include &quot;com_github_jni_demo_TestJNI.h&quot;\r\nJNIEXPORT jstring JNICALL Java_com_github_jni_1demo_TestJNI_HelloWord\r\n        (JNIEnv *env, jobject, jstring str) {\r\n    return str;\r\n}\r\n<\/pre>\n<p>build.gradle \u914d\u7f6e ndk<\/p>\n<p>\u5728defaultConfig\u8282\u70b9\u4e0b\u52a0\u5165\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre class=\"brush: xml; title: ; notranslate\" title=\"\">\r\n\r\n\r\n      ndk {\r\n            moduleName &quot;TestJNI&quot;\r\n            abiFilters &quot;armeabi&quot;, &quot;armeabi-v7a&quot;, &quot;x86&quot;\r\n        }\r\n<\/pre>\n<p>\u70b9\u51fb Build > Make Project \u5982\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929113131858\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929113131858\" width=\"575\" height=\"414\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u7f16\u8bd1\u6210\u529f\u540e\uff0c\u6253\u5f00 build > intermediates > ndk > debug > lib \u4e0b\u67e5\u770b\u751f\u6210\u7684 .so \u6587\u4ef6\uff1a<\/p>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929113535890\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929113535890\" width=\"347\" height=\"724\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>Java\u4e2d\u8c03\u7528JNI<br \/>\n\u8bb0\u5f97\u628a\u751f\u6210\u7684 .so \u6587\u4ef6\u62f7\u8d1d\u5230\u9879\u76ee\u7684 libs \u76ee\u5f55\u4e0b\uff1a<br \/>\n<a href=\"http:\/\/img.blog.csdn.net\/20160929114311998\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929114311998\" width=\"349\" height=\"343\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u63a5\u7740\u5728Java\u4e2d\u8c03\u7528JNI\uff1a<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\n\r\npackage com.github.jni_demo;\r\n\r\nimport android.os.Bundle;\r\nimport android.support.v7.app.AppCompatActivity;\r\nimport android.util.Log;\r\n\r\npublic class MainActivity extends AppCompatActivity {\r\n    static {        \/\/ \u52a0\u8f7d\u52a8\u6001\u5e93\r\n        System.loadLibrary(&quot;TestJNI&quot;);\r\n    }\r\n    @Override\r\n    protected void onCreate(Bundle savedInstanceState) {\r\n        super.onCreate(savedInstanceState);\r\n        setContentView(R.layout.activity_main);\r\n        TestJNI  testJNI=new TestJNI();\r\n        Log.e(&quot;---------------&quot;,&quot;************&quot;+testJNI.HelloWord(&quot;\u606d\u559c\u4f60,\u8c03\u7528\u6210\u529f!&quot;));\r\n    }\r\n}\r\n\r\n<\/pre>\n<p><a href=\"http:\/\/img.blog.csdn.net\/20160929113759804\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160929113759804\" width=\"617\" height=\"92\" alt=\"\" class=\"aligncenter size-medium\" \/><\/a><\/p>\n<p>\u8fd9\u6837\u4f60\u5c31\u751f\u6210\u4e86\u4e00\u4e2a\u5c5e\u4e8e\u81ea\u5df1\u7684 .so \u6587\u4ef6\u3002<\/p>\n<p>\u6361\u4ee3\u7801\u8bba\u575b\uff08bbs.jiandaima.com\uff09\u6574\u7406\u63d0\u4f9b<\/p>\n<p>..<\/p>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b\u4fdd\u6d3b\uff0c\u70ed\u4fee\u590d\uff0c\u786c\u4ef6\u63a5\u5165\u7b49\u7b49\u90fd\u9700\u8981\u5e95\u5c42\u7684\u652f\u6301\uff0c\u800c\u5e95\u5c42\u4ee3\u7801\u662f C \u3001C++ \u5199\u7684\uff0c\u90a3\u4e48\u5728 Android \u4e2d\u600e\u4e48\u8c03\u7528\u5e95\u5c42\u7684\u5e93\u5462\uff1f\u8fd9\u91cc\u5c31\u9700\u8981\u4e86\u89e3 JNI \u6280\u672f\u3002Android Studio \u51fa\u6765\u4e24\u5e74\u591a\u4e86\uff0c\u7f51\u4e0a\u9488\u5bf9 AS \u5f00\u53d1 JNI \u5de5\u7a0b\u8d44\u6e90\u6bd4\u8f83\u5c11\uff0c\u9488\u5bf9\u4e8e\u6b64\uff0c\u6211\u7279\u610f\u5199\u4e0b\u672c\u7bc7\u535a\u5ba2\uff0c\u5e0c\u671b\u80fd\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"author":1,"featured_media":522,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[276,275,274],"class_list":["post-864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-development-of-communication-technology","tag-android-studio","tag-jni-","tag-274"],"post_thumbnail_image":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2016\/05\/64022-3.png?imageView2\/1\/w\/300\/h\/300#","content_first_image":"http:\/\/img.blog.csdn.net\/20160929094157806","post_medium_image_300":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2016\/05\/64022-3.png?imageView2\/1\/w\/600\/h\/356#","post_thumbnail_image_624":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2016\/05\/64022-3.png","post_frist_image":"http:\/\/img.blog.csdn.net\/20160929094157806","post_medium_image":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2016\/05\/64022-3.png?imageView2\/1\/w\/600\/h\/356#","post_large_image":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2016\/05\/64022-3.png","post_full_image":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2016\/05\/64022-3.png","post_all_images":[{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929094157806","id":"image0"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160927231339511","id":"image1"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160927231733485","id":"image2"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160927232029357","id":"image3"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929112828106","id":"image4"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929095030864","id":"image5"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929095919082","id":"image6"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929100219973","id":"image7"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929100511740","id":"image8"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929113131858","id":"image9"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929113535890","id":"image10"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929114311998","id":"image11"},{"imagesurl":"http:\/\/img.blog.csdn.net\/20160929113759804","id":"image12"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":5,"total_comments":0,"category_name":"\u5f00\u53d1\u6280\u672f\u4ea4\u6d41","post_date":"2016-11-25","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"http:\/\/images.jiandaima.com\/blog\/wp-content\/uploads\/2020\/02\/img_5e44112722964.png","avatarurls":[],"related_posts":[],"pageviews":530,"next_post_id":880,"next_post_title":"Flash Builder 4.7\u4e0b\u8f7d\u548c\u5b89\u88c5\u53ca\u7834\u89e3\u65b9\u6cd5","previous_post_id":859,"previous_post_title":"360ssp sdk\u63a5\u5165\u8bf4\u660e 360\u79fb\u9001\u5a92\u4f53\u5e73\u53f0Android SDK \u63a5\u5165\u8bf4\u660e","_links":{"self":[{"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/posts\/864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/comments?post=864"}],"version-history":[{"count":0,"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/posts\/864\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/media\/522"}],"wp:attachment":[{"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/media?parent=864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/categories?post=864"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jiandaima.com\/blog\/wp-json\/wp\/v2\/tags?post=864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}