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2012-11-23 03:50:05 -0600	commented answer	No Implementation Found Error in OpenCv Android Tutorial 4 I tried APP_ABI := all and APP_ABI := armeabi. As an additional details i get this in the console: Install : libmixed_sample.so => libs/armeabi-v7a/libmixed_sample.so Install : libopencv_java.so => libs/armeabi-v7a/libopencv_java.so
2012-11-22 16:10:49 -0600	commented answer	No Implementation Found Error in OpenCv Android Tutorial 4 Yes i use an emulator, the problem is not the camera. The camera works fine and i can for example use the canny filter without problem... i think the problem is in the library linking
2012-11-22 12:43:33 -0600	asked a question	No Implementation Found Error in OpenCv Android Tutorial 4 Hi, i'm trying to use opencv for android. I installed the sdk, tested a few tutorial without problems. Now i'm trying to use the Ndk to write OpenCv in C++. I just can't run Tutorial 3 and Tutorial 4 beacuse the call: `public native void FindFeatures(long matAddrGr, long matAddrRgba);` Throw a runtime error: W/dalvikvm(2537): No implementation found for native Lorg/opencv/samples/tutorial4/Sample4Mixed;.FindFeatures:(JJ)V E/AndroidRuntime(2592): java.lang.UnsatisfiedLinkError: Native method not found: org.opencv.samples.tutorial3.Sample3Native.FindFeatures:(JJ)V I tried everything... i also added libopencv_java.so directly in /jni folder and edited the Android.mk file this way: include $(CLEAR_VARS) LOCAL_MODULE := opencv_java LOCAL_SRC_FILES := libopencv_java.so include $(PREBUILT_SHARED_LIBRARY) any suggestion please? Gabriele