• I want to use android studio to develop an app using gradle build tool. I can not insert the opencv repo and library on build.gradle. My gradle file is like below: buildscript { repositories {

    Follow the below steps to add Open CV in your project as library.

    1. Create a libraries folder underneath your project main directory. For example, if your project is OpenCVExamples, you would create a OpenCVExamples/libraries folder.

    2. Go to the location where you have SDK "\OpenCV-2.4.8-android-sdk\sdk" here you will find the java folder, rename it to opencv.

    3. Now copy the complete opencv directory from the SDK into the libraries folder you just created.

    4. Now create a build.gradle file in the opencv directory with the following contents

      apply plugin: 'android-library'
      buildscript {
          repositories {
          dependencies {
              classpath 'com.android.tools.build:gradle:0.9.+'
      android {
          compileSdkVersion 19
          buildToolsVersion "19.0.1"
          defaultConfig {
              minSdkVersion 8
              targetSdkVersion 19
              versionCode 2480
              versionName "2.4.8"
          sourceSets {
              main {
                  manifest.srcFile 'AndroidManifest.xml'
                  java.srcDirs = ['src']
                  resources.srcDirs = ['src']
                  res.srcDirs = ['res']
                  aidl.srcDirs = ['src']
    5. Edit your settings.gradle file in your application’s main directory and add this line:

      include ':libraries:opencv'
    6. Sync your project with Gradle and it should looks like this

      screen 1

    7. Right click on your project then click on the Open Module Settings then Choose Modules from the left-hand list, click on your application’s module, click on the Dependencies tab, and click on the + button to add a new module dependency.

      enter image description here

    8. Choose Module dependency. It will open a dialog with a list of modules to choose from; select “:libraries:opencv”.

      enter image description here

    9. Create a jniLibs folder in the /app/src/main/ location and copy the all the folder with *.so files (armeabi, armeabi-v7a, mips, x86) in the jniLibs from the OpenCV SDK.

      enter image description here

    10. Click OK. Now everything done, go and enjoy with OpenCV.

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