{"id":6664,"date":"2023-08-17T11:07:28","date_gmt":"2023-08-17T03:07:28","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=6664"},"modified":"2023-08-17T11:07:28","modified_gmt":"2023-08-17T03:07:28","slug":"c%e5%bc%80%e5%8f%91%e5%ae%89%e5%8d%93%e6%89%8b%e6%9c%baapp%e6%9c%89%e4%bc%98%e5%8a%bf%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/6664\/","title":{"rendered":"c\u5f00\u53d1\u5b89\u5353\u624b\u673aapp\u6709\u4f18\u52bf\uff1f"},"content":{"rendered":"<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u5f00\u53d1Android\u624b\u673a\u5e94\u7528\u7a0b\u5e8f\u3002\u867d\u7136Java\u548cKotlin\u662f\u521b\u5efaAndroid\u5e94\u7528\u7a0b\u5e8f\u7684\u5b98\u65b9\u9996\u9009\u8bed\u8a00\uff0c\u4f46\u7528C\u8bed\u8a00\u5f00\u53d1Android\u5e94\u7528\u7684\u65b9\u6cd5\u4f9d\u7136\u6709\u5176\u4f18\u52bf\uff0c\u5c24\u5176\u662f\u5728\u6027\u80fd\u65b9\u9762\u3002\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u4f1a\u6bd4\u4f7f\u7528Java\u6216Ko<a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353APP\u5f00\u53d1<\/a>tlin\u7f16\u5199\u7684\u5e94\u7528\u7a0b\u5e8f\u66f4\u5feb\u3001\u66f4\u9ad8\u6548\uff0c\u56e0\u4e3aC\u8bed\u8a00\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5e95\u5c42\u7cfb\u7edf\u8d44\u6e90\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9C\u8bed\u8a00\u652f\u6301Android\u5e94\u7528\u5f00\u53d1\uff0cGoogle\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f00\u53d1\u5de5\u5177\u5305\uff0c\u540d\u4e3a\u201cNative Development Kit\u201d\uff08\u7b80\u79f0NDK\uff09\u3002NDK\u5141\u8bb8\u5f00\u53d1\u8005\u4f7f\u7528C\u548cC++\u7f16\u5199\u539f\u751f\u4ee3\u7801\uff0c\u521b\u5efa\u5728Android\u7cfb\u7edf\u4e0a\u8fd0\u884c\u826f\u597d\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u548cNDK\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u3002<\/p>\n<p>\u4e00\u3001Android NDK\u57fa\u672c\u6982\u5ff5<\/p>\n<p>1. Native Development Kit\uff08NDK\uff09\uff1a\u63d0\u4f9b\u4e00\u7cfb\u5217\u5de5\u5177\u548cAPI\uff0c\u5141\u8bb8\u60a8\u4f7f\u7528C\u548cC++\u7f16\u5199\u9ad8\u6027\u80fd\u3001\u53ef\u79fb\u690d\u7684\u7a0b\u5e8f\u3002<\/p>\n<p>2. JNI\uff08Java Native Interface\uff09\uff1aJava\u5e73\u53f0\u7684\u6807\u51c6\u7f16\u7a0b\u63a5\u53e3\uff0c\u7528\u4e8e\u5728Java\u865a\u62df\u673a\uff08JVM\uff09\u4e0e\u672c\u5730\u4ee3\u7801\u4e4b\u95f4\u5efa\u7acb\u901a\u4fe1\u3002C\u8bed\u8a00\u4ee3\u7801\u901a\u8fc7JNI\u4e0eJava\u4ee3\u7801\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<p>3. Android.mk\uff1a\u81ea\u5b9a\u4e49\u7684\u6784\u5efa\u811a\u672c\uff0c\u7528\u4e8e\u7f16\u8bd1\u548c\u94fe\u63a5C\u8bed\u8a00\u6e90\u6587\u4ef6\u3002<\/p>\n<p>4. Application.mk\uff1a\u4e3a\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u6784\u5efa\u914d\u7f6e\u3002<\/p>\n<p>\u4e8c\u3001\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f<\/p>\n<p>\u4e3a\u4e86\u5c55\u793a\u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u5f00\u53d1Android\u5e94\u7528\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u201cHello, World\uff01\u201d\u7684\u7a0b\u5e8f\u3002<\/p>\n<p>1. \u5b89\u88c5Android Studio\uff0c\u5e76\u786e\u4fdd\u60a8\u5df2\u5b89\u88c5NDK\u7ec4\u4ef6\u3002<\/p>\n<p>2. \u521b\u5efa\u4e00\u4e2a\u65b0\u7684Android\u9879\u76ee\uff0c\u5e76\u4ece\u9879\u76ee\u6a21\u677f\u4e2d\u9009\u62e9\u201cNative C++\u201d\u3002\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528C++\u7f16\u5199\u7684\u7a7a\u767d\u539f\u751f\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>3. \u5728\u9879\u76ee\u4e2d\u6dfb\u52a0C\u8bed\u8a00\u6e90\u6587\u4ef6\u3002\u5728src\/main\/cpp\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u540d\u4e3a\u201chello-world.c\u201d\u7684\u65b0\u6587\u4ef6\u3002<\/p>\n<p>4. \u7f16\u5199JNI\u51fd\u6570\u3002\u5728\u201chello-world.c\u201d\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5c06<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-04\/06\/11\/25637972219.jpg\" \/><\/figure>\n<\/p>\n<p>\u4f7f\u7528JNI\u8bbf\u95eeAndroid\u7cfb\u7edf\u7ec4\u4ef6\u3002\u5c06\u4ee5\u4e0b\u4ee3\u7801\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d\uff1a<\/p>\n<p>&#8220;`c<\/p>\n<p>#include <\/p>\n<p><p>#include <\/p>\n<p><p>JNIEXPORT jstring JNICALL<\/p>\n<p>Java_com_example_myapp_MainActivity_helloWorld(JNIEnv *env<a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app\u5236\u4f5c<\/a>, jobject instance) {<\/p>\n<p>    char message[] = &#8220;Hello, World!&#8221;;<\/p>\n<p>    return (*env)-&gt;NewStringUTF(env, message);<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a`Java_com_example_myapp_MainActivity_helloWorld`\u7684JNI\u5bfc\u51fa\u51fd\u6570\u3002\u6b64\u51fd\u6570\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u5305\u540d\u548c\u6d3b\u52a8\u540d\u81ea\u52a8\u751f\u6210\uff0c\u5e76\u901a\u8fc7\u4f20\u9012\u7ed9\u51fd\u6570\u7684Java\u73af\u5883\u548c\u6d3b\u52a8\u5bf9\u8c61\u5b9e\u4f8b\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p>5. \u521b\u5efaAndroid.mk\u6587\u4ef6\u3002\u5728src\/main\/cpp\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u201cAndroid.mk\u201d\u7684\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>LOCAL_PATH := $(call my-dir)<\/p>\n<p>include $(CLEAR_VARS)<\/p>\n<p>LOCAL_MODULE := hello-world<\/p>\n<p>LOCAL_SRC_FILES := hello-world.c<\/p>\n<p>include $(BUILD_SHARED_LIBRARY)<\/p>\n<p>&#8220;`<\/p>\n<p>\u8fd9\u4e2a\u6587\u4ef6\u5b9a\u4e49\u4e86\u4e00\u4e2a\u547d\u540d\u4e3a\u201chello-world\u201d\u7684\u6a21\u5757\uff0c\u8868\u793a\u6211\u4eec\u6b63\u5728\u6784\u5efa\u4e00\u4e2a\u5171\u4eab\u5e93\uff0c\u5b83\u7684\u6e90\u6587\u4ef6\u540d\u4e3a\u201chello-world.c\u201d\u3002<\/p>\n<p>6. \u4fee\u6539Application.mk\u6587\u4ef6\u3002\u5728src\/main\/cpp\u76ee\u5f55\u4e2d\u521b\u5efa\u6216\u4fee\u6539\u540d\u4e3a\u201cApplication.mk\u201d\u7684\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>APP_ABI := armeabi-v7a arm64-v8a x86 x86_64<\/p>\n<p>APP_STL := c++_static<\/p>\n<p>APP_PLATFORM := android-21<\/p>\n<p>&#8220;`<\/p>\n<p>\u8fd9\u4e2a\u6587\u4ef6\u5b9a\u4e49\u4e86\u652f\u6301\u7684\u5904\u7406\u5668\u67b6\u6784\u3001\u4f7f\u7528\u7684C++\u8fd0\u884c\u65f6\u5e93\u548c\u76ee\u6807Android\u5e73\u53f0\u7684\u6700\u4f4eAPI\u7248\u672c\u3002<\/p>\n<p>7. 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}<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u8fd9\u91cc\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u672c\u5730\u65b9\u6cd5`helloWorld()`\uff0c\u7136\u540e\u5728`onCreate()`\u65b9\u6cd5\u4e2d\u8c03\u7528\u5b83\uff0c\u5e76\u5c06\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u8bbe\u7f6e\u4e3aTextView\u4e2d\u7684\u6587\u672c\u3002<\/p>\n<p>8. \u6784\u5efa\u5e76\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u70b9\u51fb\u201cRun\u201d\u6309\u94ae\uff0c\u5e94\u7528\u7a0b\u5e8f\u5c06\u5728\u60a8\u9009\u62e9\u7684\u8bbe\u5907\u6216\u6a21\u62df\u5668\u4e0a\u542f\u52a8\u3002\u5c4f\u5e55\u4e0a\u5c06\u663e\u793a\u201cHello, 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