Android Studio 3.5版本JNI生成SO文件详解

package com.journey.org;
 
 
public class JniHello{
    static {
        System.loadLibrary(\"JniHello\")
    }
    
    public static native String welcomeJniStudy();
}

Program:$JDKPath$\\bin\\javah.exe
Arguments:-classpath . -jni -d $ModuleFileDir$/src/main/jni $FileClass$
Working directory:$ModuleFileDir$\\src\\main\\java

Program:D:\\workpalce\\AndroidSDK\\ndk-bundle\\build\\ndk-build.cmd // 安装ndk的路径
Arguments:
Working directory:$ModuleFileDir$\\src\\main

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_LDLIBS += -llog
LOCAL_LDLIBS +=-lm
LOCAL_MODULE := JniHello
LOCAL_SRC_FILES =: JniHello.cpp  # 实现c代码文件的名字
include $(BUILD_SHARED_LIBRARY)

APP_MODULES := JniHello
APP_ABI := all

#include \"com_journey_org_JniHello.h\"
 
JNIEXPORT jstring JNICALL Java_com_journey_org_JniHello_welcomeJniStudy(JNIEnv *env, jclass jclass){
    return env->NewStringUTF(\"welcome to study jni\")
}

ndk{
        moduleName \"JniHello\"
        //abiFilters \\\"armeabi-v7a\", \"x86\" //输出指定abi下的so库
    }
sourceSets.main {
        jni.srcDirs = []
        jniLibs.srcDir \"src/main/libs\"
    }