Android Studio3.0开发JNI流程------在Android原程序添加自己类的native多个so的方法

创建一个关联C/C++的Android程序，创建流程http://blog.csdn.net/cloverjf/article/details/78652245

源程序是调用C++代码来改变TextView的文本内容。

博主删除了在这之前的办法，因为不好用。
感谢@螃蟹变异了大佬提供的多个so库同时运行的解决办法。下面博主给出解决方案，再次感谢@螃蟹变异了。

以下只提供代码，应该很容易懂…
MainActivity.java文件代码：

public class MainActivity extends AppCompatActivity {    // Used to load the 'native-lib' library on application startup.    static {        System.loadLibrary("native-lib");    }    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        // Example of a call to a native method        TextView tv = (TextView) findViewById(R.id.sample_text);        tv.setText(stringFromJNI());        // 在 MainActivity类中调用MyTest类的native方法        TextView tv1 = (TextView) findViewById(R.id.sample_text1);  //        tv1.setText(new MyTest().stringFromJNI1());   // "Hello from C++  ===  native-test-lib库";    }    /**     * A native method that is implemented by the 'native-lib' native library,     * which is packaged with this application.     */    public native String stringFromJNI();   // 在app\src\main\cpp\native-lib.cpp}

MyTest.java类：

public class MyTest {    static {        System.loadLibrary("native-test-lib");    }    public native String stringFromJNI1();  // 在app\src\main\cpp\main.cpp}

在app\src\main\cpp目录下创建两个.app文件：
native-lib.cpp文件内容：

#include #include extern "C"JNIEXPORT jstringJNICALLJava_wvs_mm_tencent_com_testapplication_MainActivity_stringFromJNI(        JNIEnv *env,        jobject /* this */) {    std::string hello = "Hello from C++  === 来自native-lib库";    return env->NewStringUTF(hello.c_str());}

main.cpp文件内容：

#include #include extern "C"JNIEXPORT jstringJNICALLJava_wvs_mm_tencent_com_testapplication_MyTest_stringFromJNI1(        JNIEnv *env,        jobject /* this */) {    std::string hello = "Hello from C++  ===  来自native-test-lib库";    return env->NewStringUTF(hello.c_str());}

主要的处理不同so的实在配置文件中：

# For more information about using CMake with Android Studio, read the# documentation: https://d.android.com/studio/projects/add-native-code.html# Sets the minimum version of CMake required to build the native library.cmake_minimum_required(VERSION 3.4.1)# Creates and names a library, sets it as either STATIC# or SHARED, and provides the relative paths to its source code.# You can define multiple libraries, and CMake builds them for you.# Gradle automatically packages shared libraries with your APK.add_library( # Sets the name of the library.             native-lib             # Sets the library as a shared library.             SHARED             # Provides a relative path to your source file(s).             src/main/cpp/native-lib.cpp )add_library( # Sets the name of the library.            native-test-lib            # Sets the library as a shared library.            SHARED            # Provides a relative path to your source file(s).            src/main/cpp/main.cpp )# Searches for a specified prebuilt library and stores the path as a# variable. Because CMake includes system libraries in the search path by# default, you only need to specify the name of the public NDK library# you want to add. CMake verifies that the library exists before# completing its build.find_library( # Sets the name of the path variable.              log-lib              # Specifies the name of the NDK library that              # you want CMake to locate.              log )# Specifies libraries CMake should link to your target library. You# can link multiple libraries, such as libraries you define in this# build script, prebuilt third-party libraries, or system libraries.target_link_libraries( # Specifies the target library.                       native-lib                       # Links the target library to the log library                       # included in the NDK.                       ${log-lib} )

主要是使用两个add_library来添加不同的库。

运行结果：
Android Studio3.0开发JNI流程------在Android原程序添加自己类的native多个so的方法_第1张图片

在此，再次感谢@螃蟹变异了，好了，留下代码，赠人玫瑰，手留余香……

程序源代码：http://download.csdn.net/download/cloverjf/10262095

下一章：研究怎么在Android程序中添加JNI开发流程。

源程序是调用C++代码来改变TextView的文本内容。

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