OpenCV in Android Studio

Question

I want to use OpenCV library in my app with Android Studio. I followed instructions found here but I get error

Configuration with name \'default\' no

Answer 1

Download

Get the latest pre-built OpenCV for Android release from https://github.com/opencv/opencv/releases and unpack it (for example, opencv-4.4.0-android-sdk.zip).

Create an empty Android Studio project

Open Android Studio. Start a new project. 

Keep default target settings.

Use "Empty Activity" template. Name activity as MainActivity with a corresponding layout activity_main. Plug in your device and run the project. It should be installed and launched successfully before we'll go next.

 Add OpenCV dependency

Go to File->New->Import module

and provide a path to unpacked_OpenCV_package/sdk/java. The name of module detects automatically. Disable all features that Android Studio will suggest you on the next window.

Configure your library build.gradle (openCVLibrary build.gradle)

apply plugin: 'com.android.library'

android {
    compileSdkVersion 28
    buildToolsVersion "28.0.3"

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

Implement the library to the project (application build.gradle)

 implementation project(':openCVLibrary330')