NDK 小配置速查

ndk 参数和so配置

...
 defaultConfig {
        applicationId "top.zcwfeng.jni"
        minSdkVersion rootProject.minSdkVersion
        targetSdkVersion rootProject.targetSdkVersion
        versionCode 1
        versionName "1.0"

        externalNativeBuild {
            cmake {
                cppFlags "-std=c++11"
//-> 编译 方式
                abiFilters "armeabi-v7a"

                arguments "-DANDROID_STL=gnustl_static"

            }
        }
//-> 生成so
        ndk {
            abiFilters 'armeabi-v7a'

        }
    }



    externalNativeBuild {
        cmake {
            path "CMakeLists.txt"
            version "3.10.2"
        }
    }

...

完整例子

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion rootProject.compileSdkVersion
    buildToolsVersion rootProject.buildToolsVersion
    defaultConfig {
        applicationId "top.zcwfeng.jni"
        minSdkVersion rootProject.minSdkVersion
        targetSdkVersion rootProject.targetSdkVersion
        versionCode 1
        versionName "1.0"

        externalNativeBuild {
            cmake {
                cppFlags "-std=c++11"
                abiFilters "armeabi-v7a"

                arguments "-DANDROID_STL=gnustl_static"

            }
        }
        ndk {
            abiFilters 'armeabi-v7a'

        }
    }



    externalNativeBuild {
        cmake {
            path "CMakeLists.txt"
            version "3.10.2"
        }
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
    implementation 'androidx.core:core-ktx:1.3.0'
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.rmtheis:tess-two:7.0.0'
}