Problems building ROS Android apps [closed]

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I followed these instructions but when I try to build I get this:

A problem occurred configuring project ':application_management'.

>

 Failed to notify project evaluation listener.
   > Could not resolve all dependencies for configuration ':application_management:_DebugCompile'.
      > Could not find ros.android_core:android_gingerbread_mr1:0.0.0-SNAPSHOT.
        Required by:
            com.github.ros_java.android_apps:application_management:0.1.0
      > Could not find com.github.ros_java.android_extras:gingerbread:0.1.0.
        Required by:
            com.github.ros_java.android_apps:application_management:0.1.0
      > Could not find ros.rosjava_core:rosjava:0.0.0-SNAPSHOT.
        Required by:
            com.github.ros_java.android_apps:application_management:0.1.0

running Ubuntu 12.04, how do I fix this?