rosjava and android_core

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After a few days looking for an answer i am able to explain better my problem.

I install the tutorial and all of the works. I follow that's steps to try it (wiki.ros.org/android/Tutorials/indigo/Installation - ROS Development Environment)

So my issue is the next. I want to start my on project. but i don't understand how i must create me package. i try this two methods.

1) creating a rosjava package (catkin_create_rosjava_pkg and catkin_create_rosjava_project). But in this methods the problem that i found it is that when i import the project to android-studio isn't able to create a android schema (don't recognise "http://schemas.android.com/apk/res/android"). i try to create a android package by hand.

2) creating a android project with the dependencies of rosjava: catkin_create_android_pkg my_pkg android_core rosjava std_msg catking_create_android_project -t 10 -p com.github.android.my_pkg.my_pro my_pro but in this case i can't import rosjava library. In a .java activity i try to made import org.ros.android.Node and it doesn't recognise the package.

what i could make? someone could help me to create my on project?

thanks very much!!