使用AndroidStudio创建OpenCV4.1.0项目的步骤

apply plugin: 'com.android.application'

android {
  compileSdkVersion 28
  defaultConfig {
    applicationId "app.userhu2012.test"
    minSdkVersion 27
    targetSdkVersion 28
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    externalNativeBuild {
      cmake {
        cppFlags "-frtti -fexceptions"
      }
    }
  }
  buildTypes {
    release {
      minifyEnabled false
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
  }
  externalNativeBuild {
    cmake {
      path "CMakeLists.txt"
    }
  }
}

apply plugin: 'com.android.library'

android {
  compileSdkVersion 28
  buildToolsVersion "28.0.3"

  defaultConfig {
    //applicationId "org.opencv"
    minSdkVersion 27
    targetSdkVersion 28
  }

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

sourceSets{
  main{
    jniLibs.srcDirs = ['src/main/jniLibs']
  }
}

apply plugin: 'com.android.application'
android {
  compileSdkVersion 28
  defaultConfig {
    applicationId "app.userhu2012.test"
    minSdkVersion 27
    targetSdkVersion 28
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    externalNativeBuild {
      cmake {
        cppFlags "-frtti -fexceptions"
      }
    }
    ndk{
      abiFilters "arm64-v8a","armeabi-v7a","x86","x86_64"
    }
  }
  buildTypes {
    release {
      minifyEnabled false
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
  }
  sourceSets{
    main{
      jniLibs.srcDirs = ['src/main/jniLibs']
    }
  }
  externalNativeBuild {
    cmake {
      path "CMakeLists.txt"
    }
  }
}

dependencies {
  implementation fileTree(include: ['*.jar'], dir: 'libs')
  implementation 'com.android.support:appcompat-v7:28.0.0'
  testImplementation 'junit:junit:4.12'
  androidTestImplementation 'com.android.support.test:runner:1.0.2'
  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
  implementation project(':opencv41Libs')
}