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  • NDK和项目依赖

    NDK使用

    • JDK:Java Development Kit
    • SDK:Software Development Kit
    • NDK:Native Development Kit
    • JNI: Java Nattive Interface

    NDK开发流程:

    • 下载NDK并配置NDK路径
    • 新建项目
    • 修改build.gradle文件

      替换classpath:com.android.tools.build:gradle-experimental:0.4.0

      替换apply plugin:com.android.model.application

      添加moudel{}至android{},即:model{android{}}minSdkverion 15 targetSdkVersion 23

        versionCode 1versionName "1.o"
        替换为
        minSdkVersion.apiLevel=4
        targetSdkVersion.apilevel=23
    • 添加android.ndk{moduleName="onlystar-android-jni-demo"}
    • 参考实例Demo的build.gradle
    apply plugin: 'com.android.model.application'
    
        model {
        android {
        compileSdkVersion = 23
        buildToolsVersion = "23.0.2"
    
        defaultConfig.with {
        applicationId = "com.example.hellojni"
        minSdkVersion.apiLevel = 15
        targetSdkVersion.apiLevel = 23
        }
        }
    
        compileOptions.with {
        sourceCompatibility=JavaVersion.VERSION_1_7
        targetCompatibility=JavaVersion.VERSION_1_7
        }
    
    /*
     * native build settings
     */
        android.ndk {
        moduleName = "geekband-hello-jni-demo"/*
         * Other ndk flags configurable here are
         * cppFlags.add("-fno-rtti")
         * cppFlags.add("-fno-exceptions")
         * ldLibs.addAll(["android", "log"])
         * stl       = "system"
         */
        }
        android.buildTypes {
        release {
        minifyEnabled = false
        proguardFiles.add(file('proguard-rules.txt'))
        }
        }
        android.productFlavors {
        // for detailed abiFilter descriptions, refer to "Supported ABIs" @ // https://developer.android.com/ndk/guides/abis.html#sacreate("arm") {
        ndk.abiFilters.add("armeabi")
        }
        create("arm7") {
        ndk.abiFilters.add("armeabi-v7a")
        }
        create("arm8") {
        ndk.abiFilters.add("arm64-v8a")
        }
        create("x86") {
        ndk.abiFilters.add("x86")
        }
        create("x86-64") {
        ndk.abiFilters.add("x86_64")
        }
        create("mips") {
        ndk.abiFilters.add("mips")
        }
        create("mips-64") {
        ndk.abiFilters.add("mips64")
        }
        // To include all cpu architectures, leaves abiFilters emptycreate("all")
        }
        }
        dependencies {
        compile fileTree(dir: 'libs', include: ['*.jar'])
        testCompile 'junit:junit:4.12'
        compile 'com.android.support:appcompat-v7:23.1.1'
        compile 'com.android.support:design:23.1.1'
        }

    项目依赖

    引入aar文件----两种方法
    1.在build.gradle中添加
    allprogects{
        responsitores{
            jcenter()
            flatDir{
                dirs  'libs'
           }
       }
    }
     在dependencies中添加
         compile(name:'aar_filename',ext:'aar')
    2.新建module,选择 Import .JAR/.AAR Package,导入aar文件





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  • 原文地址:https://www.cnblogs.com/wisemen/p/5821209.html
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