Android ndk r95/6/2023 ![]() ![]() ![]() NamedWindow("Output image", CV_WINDOW_NORMAL) Ĭout << "Generate the output image."<<endl Scalar keypointColor = Scalar(0, 0, 255) ĭrawKeypoints(image, keypoints, outputImg, keypointColor, DrawMatchesFlags::DRAW_RICH_KEYPOINTS) Ĭout << "Drew keypoints in output image file."<<endl C:Android android-ndk-r9-windows-x8664) the latest Android NDK. Store description to "s".įs.open("s", FileStorage::WRITE) Ĭout << "Opened file to store the features."<<endl Download only the file 2 Extract 2 into \Android\android-ndk-r9 tar -jxvf 2 Build FPC 2.7. Before building the book sample code for Android NDK r9 , you need to install several. Install : libnonfree.so => libs/armeabi-v7a/libnonfree.soĬout << "Detected " << (int) keypoints.size() << " keypoints" <<endl ĭpute(image,keypoints, descriptors) Install : libopencv_java.so => libs/armeabi-v7a/libopencv_java.so Before downloading the NDK, you should understand that the. For certain types of apps, this can be helpful so you can reuse existing code libraries written in these languages, but most apps do not need the Android NDK. :~/Android/OpenCVWorkspace/sift_opencv_android/jni$ ~/Android/android-ndk-r9/ndk-build OK, I am not an experienced mobile app developer, but after version 10.4.1 crashed on the BlueStacks emulator, I used adb logcat crash to list the contents of the crash log and I think this is the relevant part: - beginning of crash 03-23 21:17:11.794 5349 5349 E AndroidRuntime: FATAL EXCEPTION IN SYSTEM PROCESS: main 03-23 21:17:11. The NDK is a toolset that allows you to implement parts of your app using native-code languages such as C and C . ![]()
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