Android-opencv-cmake

Android opencv image process samples ,build with cmake

环境要求

  • Android studio 2.3.3
  • Cmake
  • ndk14
  • opencv2.4.13 or opencv3.3

配置

  • 在local.properties 文件中配置opencv sdk 路径 opencv.dir = ${opencv_sdk_dir}
ndk.dir=/Users/king/Library/Android/ndk14
sdk.dir=/Users/king/Library/Android/sdk
opencv.dir=/Users/king/Libs/OpenCV2413
  • 在build.gradle中配置cmake参数
externalNativeBuild {
     cmake {
           cppFlags "-std=c++11 -frtti -fexceptions"
           arguments "-DOpenCV_DIR=" + getOpenCVDir().toString()+"/sdk/native/jni", "-DANDROID_ARM_NEON=TRUE"
      }
}
ndk {
      abiFilters  "armeabi-v7a"   //, "arm64-v8a","armeabi",
}
...
def getOpenCVDir() {
    Properties properties = new Properties()
    properties.load(new File(rootDir.absolutePath + "/local.properties").newDataInputStream())
    def externalModuleDir = properties.getProperty('opencv.dir', null)
    if (externalModuleDir == null) {
        throw new GradleException(
                "OpenCV location not found. Define location with opencv.dir in the local.properties file!")
    }
    return externalModuleDir
}
  • 项目地址

源码