{"id":6533,"date":"2023-08-16T11:07:29","date_gmt":"2023-08-16T03:07:29","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=6533"},"modified":"2023-08-16T11:07:29","modified_gmt":"2023-08-16T03:07:29","slug":"c%e5%ae%89%e5%8d%93app%e5%bc%80%e5%8f%91%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/6533\/","title":{"rendered":"c++\u5b89\u5353app\u5f00\u53d1\u5982\u4f55\u5b9e\u73b0\u7684\uff1f"},"content":{"rendered":"<p>C++ \u5728 Android App \u5f00\u53d1\u4e2d\u7684\u539f\u7406\u4e0e\u8be6\u7ec6\u4ecb\u7ecd<\/p>\n<p>\u968f\u7740\u79fb\u52a8\u5e94\u7528\u5e02\u573a\u7684\u4e0d\u65ad\u58ee\u5927\uff0cAndroid \u5e73\u53f0\u5df2\u7ecf\u6210\u4e3a\u4e86\u5f00\u53d1\u8005\u4eec\u7684\u5173\u6ce8\u7126\u70b9\u3002\u8bb8\u591a\u5f00\u53d1\u8005\u719f\u6089 C++ \u8bed\u8a00\u5e76\u5e0c\u671b\u5728\u719f\u6089\u7684\u8bed\u8a00\u73af\u5883\u4e2d\u8fdb\u884c Android app \u5f00\u53d1\u3002\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 C++ \u8fdb\u884c Android App \u5f00\u53d1\uff0c\u4ee5\u53ca C++ \u5728 Android App \u5f00\u53d1\u4e2d\u7684\u539f\u7406\u3002<\/p>\n<p>## \u57fa\u672c\u539f\u7406<\/p>\n<p>Android \u5e73\u53f0\u539f\u751f\u652f\u6301 Java \u8bed\u8a00\u7f16\u5199\u7684\u5e94\u7528\uff0c\u800c\u5982\u679c\u60f3\u4f7f\u7528 C++ \u7f16\u5199 Android \u5e94\u7528\uff0c\u5219\u9700\u501f\u52a9\u4e8e Android \u63d0\u4f9b\u7684 Native Development Kit\uff08NDK\uff09\u5de5\u5177\u3002NDK \u5141\u8bb8\u5f00\u53d1\u8005\u5229\u7528 C \u548c C++ \u4ee3\u7801\u4e3a Android \u5e94\u7528\u7f16\u5199\u672c\u5730\u65b9\u6cd5\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528 JNI\uff08Java Native Interface\uff09\u6846\u67b6\u5728 Java \u5c42\u4e0e\u672c\u5730\u5c42\uff08Native \u5c42\uff09\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u9012\u548c\u8c03\u7528\u3002<\/p>\n<p>## \u51c6\u5907\u5de5\u4f5c<\/p>\n<p>\u4e3a\u4e86\u8fdb\u884c C++ \u7684 Android App \u5f00\u53d1\uff0c\u6211\u4eec\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u5de5\u5177\u548c\u73af\u5883\uff1a<\/p>\n<p>1. \u4e0b\u8f7d\u5e76\u5b89\u88c5 Android Studio\uff1aAndroid \u5b98\u65b9\u63d0\u4f9b\u7684 Android Studio \u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\uff0c\u4e13\u95e8\u7528\u4e8e Android \u5e94\u7528\u5f00\u53d1\u3002\u5b83\u5305\u542b\u4e86\u6240\u6709\u5f00\u53d1 Android \u5e94\u7528\u6240\u9700\u8981\u7684\u5de5\u5177\u548c\u8d44\u6e90\u3002<\/p>\n<p>2. \u914d\u7f6e NDK \u548c CMake\uff1a\u5728 Android Studio \u4e2d\uff0c\u9700\u8981\u914d\u7f6e NDK \u548c CMake \u63d2\u4ef6\uff0c\u4ee5\u4fbf\u4e8e\u7f16\u5199\u548c\u7f16\u8bd1 C++ \u4ee3\u7801\u3002<\/p>\n<p>3. \u521b\u5efa\u5e26\u6709 Native \u4ee3\u7801\u652f\u6301\u7684 Android \u9879\u76ee\uff1a\u5728 Android S<a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app\u5f00\u53d1\u5de5\u5177<\/a>tudio \u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee\u65f6\uff0c\u9700\u52fe\u9009\u201cInclude C++ support\u201d\u9009\u9879\u4ee5\u521b\u5efa\u4e00\u4e2a\u652f\u6301 C++ \u4ee3\u7801\u7684 Android \u9879\u76ee\u3002<\/p>\n<p>## C++ \u4e0e Java \u4ee3\u7801\u4ea4\u4e92<\/p>\n<p>\u4f7f\u7528 JNI \u8fdb\u884c C++ \u548c Java \u4ee3\u7801\u4ea4\u4e92\u7684\u57fa\u672c\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<p>### \u7f16\u5199 Java \u4ee3\u7801<\/p>\n<p>1. \u5728 Java \u7c7b\u4e2d\u521b\u5efa native \u65b9\u6cd5\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u7528\u4e8e\u544a\u77e5 Java \u5c42\uff0c\u5728\u54ea\u91cc\u5bfb\u627e C++ \u5c42\u7684\u672c\u5730\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<p>&#8220;`java<\/p>\n<p>public c<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-04\/06\/11\/01554605872.jpg\" \/><\/figure>\n<\/p>\n<p>lass MainActivity extends AppCompatActivity {<\/p>\n<p>    \/\/ \u58f0\u660e native \u65b9\u6cd5<\/p>\n<p>    public native String getNativeString();<\/p>\n<p>    static {<\/p>\n<p>        \/\/ \u52a0\u8f7d C++ \u751f\u6210\u7684\u5171\u4eab\u5e93<\/p>\n<p>        System.loadLibrary(&#8220;native-lib&#8221;);<\/p>\n<p>    }<\/p>\n<p>    @Override<\/p>\n<p>    protected void onCreate(Bundle savedInstanceState) {<\/p>\n<p>        super.onCreate(savedInstanceState);<\/p>\n<p>        setContentView(R.layout.activity_main);<\/p>\n<p>        \/\/ \u6f14\u793a\u8c03\u7528 C++ \u7684\u65b9\u6cd5<\/p>\n<p>        TextView textView = findViewById(R.id.sample_text);<\/p>\n<p>        textView.setText(getNativeString());<a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app\u5236\u4f5c<\/a><\/p>\n<p>    }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>### \u7f16\u5199 C++ \u4ee3\u7801<\/p>\n<p>1. \u5728 C++ \u6587\u4ef6\u4e2d\u5b9e\u73b0 Java \u7c7b\u4e2d\u5b9a\u4e49\u7684 native \u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<p>&#8220;`cpp<\/p>\n<p>#include <\/p>\n<p><p>extern &#8220;C&#8221; JNIEXPORT jstring JNICALL<\/p>\n<p>Java_com_example_androidappdemo_MainActivity_getNativeString(JNIEnv *env, jobject \/* this *\/) {<\/p>\n<p>    std::string nativeString = &#8220;Hello from C++&#8221;;<\/p>\n<p>    return env-&gt;NewStringUTF(nativeString.c_str());<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>2. \u5728\u9879\u76ee\u7684 CMakeLists.txt \u6587\u4ef6\u4e2d\uff0c\u914d\u7f6e CMake \u7f16\u8bd1 C++ \u4ee3\u7801\u5e76\u751f\u6210\u5171\u4eab\u5e93\u3002\u4f8b\u5982\uff1a<\/p>\n<p>&#8220;`cmake<\/p>\n<p>cmake_minimum_required(VERSION 3.4.1)<\/p>\n<p>add_library(native-lib SHARED<\/p>\n<p>           native-lib.cpp)<\/p>\n<p>find_library(log-lib log)<\/p>\n<p>target_link_libraries(native-lib<\/p>\n<p>                      ${log-lib})<\/p>\n<p>&#8220;`<\/p>\n<p>### \u7f16\u8bd1\u4e0e\u8fd0\u884c<\/p>\n<p>1. \u4f7f\u7528 Android Studio \u7f16\u8bd1\u548c\u8fd0\u884c\u9879\u76ee\u3002C++ \u4ee3\u7801\u4f1a\u88ab\u7f16\u8bd1\u6210\u5171\u4eab\u5e93\uff0c\u7136\u540e\u4e0e Java \u4ee3\u7801\u4e00\u8d77\u6253\u5305\u5230 APK \u4e2d\u3002\u8fd0\u884c\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 Java \u5c42\u5df2\u7ecf\u6210\u529f\u8c03\u7528\u5230 C++ \u4ee3\u7801\uff0c\u5e76\u5c06\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u663e\u793a\u5728\u754c\u9762\u4e0a\u3002<\/p>\n<p>## \u4f18\u52bf\u4e0e\u5c40\u9650\u6027<\/p>\n<p>\u4f7f\u7528 C++ \u8bed\u8a00\u8fdb\u884c Android App \u5f00\u53d1\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<p>1. \u9ad8\u6027\u80fd\uff1aC++ \u7f16\u5199\u7684\u4ee3\u7801\u5c5e\u4e8e\u672c\u5730\u4ee3\u7801\uff0c\u76f8\u8f83\u4e8e Java \u4ee3\u7801\u5177\u6709\u66f4\u9ad8\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n<p>2. \u8de8\u5e73\u53f0\uff1aC++ \u4ee3\u7801\u5177\u6709\u826f\u597d\u7684\u8de8\u5e73\u53f0\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u591a\u79cd\u8bbe\u5907\u548c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u3002<\/p>\n<p>\u4f46\u540c\u65f6\u4e5f\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff1a<\/p>\n<p>1. \u5f00\u53d1\u96be\u5ea6\u9ad8\uff1a\u4f7f\u7528 JNI \u6846\u67b6\u8fdb\u884c C++ \u4e0e Java \u4ee3\u7801\u4ea4\u4e92\u76f8\u5bf9\u590d\u6742\uff0c\u4e0d\u6613\u4e8e\u65b0\u624b\u5165\u95e8\u3002<\/p>\n<p>2. \u53d7\u9650\u4e8e Android \u7cfb\u7edf\uff1a\u90e8\u5206\u529f\u80fd\u53ef\u80fd\u53d7\u9650\u4e8e Android \u7cfb\u7edf\u672c\u8eab\uff0c\u9700\u8981\u7ed3\u5408 Java \u4ee3\u7801\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n<p>\u7efc\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9879\u76ee\u9700\u6c42\uff0c\u6743\u8861\u5229\u5f0a\uff0c\u9009\u7528\u5408\u9002\u7684\u5f00\u53d1\u8bed\u8a00\u548c\u5de5\u5177\u8fdb\u884c Android App \u5f00\u53d1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C++ \u5728 Android App \u5f00\u53d1\u4e2d\u7684\u539f\u7406\u4e0e\u8be6\u7ec6\u4ecb\u7ecd\u968f\u7740\u79fb\u52a8\u5e94\u7528\u5e02\u573a\u7684\u4e0d\u65ad\u58ee\u5927\uff0cAndroid \u5e73\u53f0\u5df2\u7ecf\u6210\u4e3a\u4e86\u5f00\u53d1\u8005\u4eec\u7684\u5173\u6ce8\u7126\u70b9\u3002\u8bb8\u591a\u5f00\u53d1\u8005\u719f\u6089 C++ \u8bed\u8a00\u5e76\u5e0c\u671b\u5728\u719f\u6089\u7684\u8bed\u8a00\u73af\u5883\u4e2d\u8fdb\u884c An<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,12057,12058,593,84],"class_list":{"0":"post-6533","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-zuoapp","7":"tag-81","8":"tag-app","10":"tag-593","11":"tag-84"},"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/6533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=6533"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/6533\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=6533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=6533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=6533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}