i am using
ubuntu 14.04
android-ndk-r10e
https://github.com/orbbec/OpenNI2.git branch orbbec-dev
i was setting
[huruiduan@sanji:orbbec]$ env | grep ARM
ARM_CXX=/work/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++
ARM_STAGING=/work/android-ndk-r10e/platforms/android-21/arch-arm
but still got miss header problem,
so any one has experience about cross-compiling orbbec openni2 for android arm, my target platform is armv7-a or aarch64