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opencv/platforms/android/aar-template
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Alexander Smorkalov aa6b399b5a AAR package build and test with CI 
- Use the same tools and plugins for SDK build and AAR build
- Added script to test Gradle-based samples against local maven repo
- Various local fixes and debug prints
2023-11-28 10:00:56 +03:00
..
gradle/wrapper AAR package build and test with CI 2023-11-28 10:00:56 +03:00
OpenCV Merge pull request #24456 from alexlyulkov:al/aar 2023-11-07 14:23:33 +03:00
build.gradle AAR package build and test with CI 2023-11-28 10:00:56 +03:00
gradle.properties Merge pull request #24456 from alexlyulkov:al/aar 2023-11-07 14:23:33 +03:00
gradlew Merge pull request #24456 from alexlyulkov:al/aar 2023-11-07 14:23:33 +03:00
gradlew.bat Merge pull request #24456 from alexlyulkov:al/aar 2023-11-07 14:23:33 +03:00
README.md Merge pull request #24456 from alexlyulkov:al/aar 2023-11-07 14:23:33 +03:00
settings.gradle Merge pull request #24456 from alexlyulkov:al/aar 2023-11-07 14:23:33 +03:00

README.md

Scripts for creating an AAR package and a local Maven repository with OpenCV libraries for Android

How to run the scripts

  1. Set JAVA_HOME and ANDROID_HOME enviroment variables. For example:
export JAVA_HOME=~/Android Studio/jbr
export ANDROID_HOME=~/Android/SDK
  1. Download OpenCV SDK for Android
  2. Run build script for version with Java and a shared C++ library:
python build_java_shared_aar.py "~/opencv-4.7.0-android-sdk/OpenCV-android-sdk"
  1. Run build script for version with static C++ libraries:
python build_static_aar.py "~/opencv-4.7.0-android-sdk/OpenCV-android-sdk"

The AAR libraries and the local Maven repository will be created in the outputs directory

Technical details

The scripts consist of 5 steps:

  1. Preparing Android AAR library project template
  2. Adding Java code to the project. Adding C++ public headers for shared version to the project.
  3. Compiling the project to build an AAR package
  4. Adding C++ binary libraries to the AAR package. Adding C++ public headers for static version to the AAR package.
  5. Creating Maven repository with the AAR package

There are a few minor limitations:

  1. Due to the AAR design the Java + shared C++ AAR package contains duplicates of C++ binary libraries, but the final user's Android application contains only one library instance.
  2. The compile definitions from cmake configs are skipped, but it shouldn't affect the library because the script uses precompiled C++ binaries from SDK.