Has anyone built ZBar using the Android NDK? - android

I am trying to integrate ZBar in my Android app but I cannot build the native library.
I was wondering if anyone did this before and is willing to share it with me?

I know the question is old but the android SDK is available by ZBar: http://sourceforge.net/projects/zbar/files/

I was just looking for something similar and came across this:
http://www.blackdogfoundry.com/blog/?p=139
I don't know if it will help but it looks like it's what you're trying to do. Hope it helps.

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Need proper demo for face detection using opencv

Hello is there anybody who can help me with the opencv face detection with latest library for android. I already tried many demo from github but i got issues like library libtbt.so not found and app gets crash. If anyone has proper solution please send me link or demo that can run without error or any tutorial that I can follow.
I want for android, i have windows 7 and android studio latest version.
It is my first question so if anythig missing pardon for that
Thank you in advance.
First of all i'll attach a list of links to tutorials and videos i used to develop my opencv face recognition tool, in terms of your problem i think you're missing a key framework, if you follow the link i provided it should work let me know if it does. I know you wanted a demo but the best way to learn this is to follow one of the tutorials i provided.
how to install for mac : https://medium.com/#nuwanprabhath/installing-opencv-in-macos-high-sierra-for-python-3-89c79f0a246a
Tutorials :
https://opencv-python tutroals.readthedocs.io/en/latest/py_tutorials/py_atutorials.html
https://www.youtube.com/watch?v=YY9f-6u2Q_c
https://www.pyimagesearch.com/2018/07/19/opencv-tutorial-a-guide-to-learn-opencv/

Using LingPipe in android for NLP

According to this answer, LingPipe is a good library to use in Java. I want to know if it can be used for android too. If possible, a link to sample code will be helpful. Mainly I am looking for offline sentiment analysis.
If there are better alternatives, please suggest.
Thank you!

How to replace sys/sem.h functionality when porting to Android

Hey guys I am porting an application from Linux to Android by using Android Studio and NDK. I did my research and it looks like I am going to have a problem down the road. The problem is that Android does not support sys/sem.h calls, in other words semaphore functionality.
Would you be able to give me an advice how I could overcome this problem? Moreover, I have notice that Android offers "Android Binders", is there any way I could use this functionality to solve my problem?
Any help would be appreciated. Thank you for your time.

Does exsist an open source Air Gesture recognition for Android

i'm looking for an Air Gesture recognition library for Android.
The perfect thing should be an open source library or something that the community is developing and that i can use for free and help them to develop.
Unfortunately i didn't found anything ready.
Do you know something like it?
I found only nanogest(http://www.nanocritical.com/nanogest/) but i asked them the library but without answer.
Do you know where i can find something like it?
Samsung did it on S4, so somewhere the libraries are present :)
Hope you can help me!
Thank you
R

Porting libraries for Android

Suppose there are Linux library that has not yet ported to Android. Do you know any article or other information on how to do this?
P.S. Google has not helped
you haven't read at http://source.android.com/porting/index.html ?

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