buildozer android camera

[kuztaf]

Hello, i built an apk with buildozer, kivy and opencv for android, when I am running the app in the smartphone, didn't show anything and also the app has rights to access the camera, I verified in the info of the app. I got this error from logcat:

I/python ( 8731): Run user program, change dir and execute main.py
I/python ( 8731): [INFO ] [Logger ] Record log in /data/data/org.test.myapp/files/.kivy/logs/kivy_15-07-13_2.txt
I/python ( 8731): [INFO ] [Kivy ] v1.9.0
I/python ( 8731): [INFO ] [Python ] v2.7.2 (default, Jul 11 2015, 04:49:34)
I/python ( 8731): [GCC 4.8]
I/python ( 8731): [INFO ] [Factory ] 173 symbols loaded
I/python ( 8731): /data/data/org.test.myapp/files/lib/python2.7/site-packages/kivy/core/image/img_pygame.py:13: RuntimeWarning: import cdrom: No module named cdrom
I/python ( 8731): (ImportError: No module named cdrom)
I/python ( 8731): [INFO ] [Image ] Providers: img_tex, img_dds, img_gif, img_pygame, img_pil (img_ffpyplayer ignored)
I/python ( 8731): [INFO ] [Text ] Provider: pygame
I/python ( 8731): [INFO ] [Camera ] Provider: opencv(['camera_pygst'] ignored)
I/python ( 8731): [INFO ] [Window ] Provider: pygame
I/libSDL ( 8731): SDL_SetVideoMode(): application requested mode 1794x1080
I/python ( 8731): [INFO ] [GL ] OpenGL version <OpenGL ES 3.0 V@104.0 AU@ (GIT@Id3510ff6dc)>
I/python ( 8731): [INFO ] [GL ] OpenGL vendor
I/python ( 8731): [INFO ] [GL ] OpenGL renderer <Adreno (TM) 330>
I/python ( 8731): [INFO ] [GL ] OpenGL parsed version: 3, 0
I/python ( 8731): [INFO ] [GL ] Texture max size <4096>
I/python ( 8731): [INFO ] [GL ] Texture max units <16>
I/python ( 8731): [INFO ] [Support ] Android install hooks
I/python ( 8731): [INFO ] [Window ] virtual keyboard not allowed, single mode, not docked
I/python ( 8731): _aqui_*******************
D/OpenCV::camera( 8731): CvCapture_Android::CvCapture_Android(0)
D/OpenCV::camera( 8731): Library name: cv2.so
D/OpenCV::camera( 8731): Library base address: 0x9e49a000
D/OpenCV::camera( 8731): Libraries folder found: /data/app/org.test.myapp-2/lib/arm/
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib: folderPath=/data/app/org.test.myapp-2/lib/arm/
E/OpenCV::camera( 8731): ||libnative_camera_r2.3.3.so
E/OpenCV::camera( 8731): ||libnative_camera_r4.4.0.so
E/OpenCV::camera( 8731): ||libnative_camera_r4.2.0.so
E/OpenCV::camera( 8731): ||libnative_camera_r4.1.1.so
E/OpenCV::camera( 8731): ||libnative_camera_r2.2.0.so
E/OpenCV::camera( 8731): ||libnative_camera_r3.0.1.so
E/OpenCV::camera( 8731): ||libnative_camera_r4.0.0.so
E/OpenCV::camera( 8731): ||libnative_camera_r4.0.3.so
E/OpenCV::camera( 8731): ||libnative_camera_r4.3.0.so
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r4.4.0.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r4.4.0.so, dlerror="dlopen failed: cannot locate symbol "_ZN7android11BufferQueueC1ERKNS_2spINS_19IGraphicBufferAllocEEE" referenced by "libnative_camera_r4.4.0.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r4.3.0.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r4.3.0.so, dlerror="dlopen failed: cannot locate symbol "_ZN7android11BufferQueueC1EbRKNS_2spINS_19IGraphicBufferAllocEEE" referenced by "libnative_camera_r4.3.0.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r4.2.0.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r4.2.0.so, dlerror="dlopen failed: cannot locate symbol "_ZN7android6Camera10disconnectEv" referenced by "libnative_camera_r4.2.0.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r4.1.1.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r4.1.1.so, dlerror="dlopen failed: cannot locate symbol "_ZN7android6Camera10disconnectEv" referenced by "libnative_camera_r4.1.1.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r4.0.3.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r4.0.3.so, dlerror="dlopen failed: cannot locate symbol "__exidx_end" referenced by "libnative_camera_r4.0.3.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r4.0.0.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r4.0.0.so, dlerror="dlopen failed: cannot locate symbol "_ZN7android6Camera10disconnectEv" referenced by "libnative_camera_r4.0.0.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r3.0.1.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r3.0.1.so, dlerror="dlopen failed: cannot locate symbol "__exidx_end" referenced by "libnative_camera_r3.0.1.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r2.3.3.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r2.3.3.so, dlerror="dlopen failed: cannot locate symbol "__exidx_start" referenced by "libnative_camera_r2.3.3.so"..."
D/OpenCV::camera( 8731): try to load library 'libnative_camera_r2.2.0.so'
D/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library /data/app/org.test.myapp-2/lib/arm/libnative_camera_r2.2.0.so, dlerror="dlopen failed: cannot locate symbol "__exidx_end" referenced by "libnative_camera_r2.2.0.so"..."
E/OpenCV::camera( 8731): CameraWrapperConnector::connectToLib ERROR: cannot dlopen camera wrapper library
E/OpenCV::camera( 8731): Native_camera returned opening error: 4