buildPyramid command for android

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Simply stated, OpenCV has just started to create the Java bindings for a lot of Android functionality. To see which functions have been ported yet, look at http://docs.opencv.org/java/2.4.5/.

If you want to use anything that is not available, you should use native C++ code on android or wait until it has been ported to Java bindings.

Look at this Android guide to the Native/C++ part: http://docs.opencv.org/doc/tutorials/introduction/android_binary_package/dev_with_OCV_on_Android.html