Building android_core [closed]

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Hello from ruifei0713,

I am using the following website to install and build android_core: http://docs.rosjava.googlecode.com/hg/android_core/html/building.html

I have done everything beforehand including installing and building rosjava_core.

I am on the line ./gradlew debug.

When I run ./gradlew debug, I get an error that reads:

Execution failed for task ':android_acm_serial_updateProject'.

A problem occurred starting command 'android'

However, I do not have a problem running the command "android" (which opens the Android SDK Manager) and it is in my working PATH as defined in my ./bashrc file. This is my export command putting android in the PATH:

export PATH=${PATH}:/home/ruifei0713/Documents/android-sdk-linux/tools:/home/ruifei0713/Documents/android-sdk-linux/platform-tools

When I run ./gradlew debug --stacktrace, there is a line that reads:

Caused by: java.io.IOException: Cannot run program "android" (in directory "/home/ruifei0713/my_workspace/android_core/android_acm_serial"): java.io.IOexception: error=2, No such file or directory

I'm not quite sure if this line is significant, but I guessed that gradlew was looking for the android executable in the wrong directory (i.e. "/home/ruifei0713/my_workspace/android_core/android_acm_serial"). However, that wasn't the case because I put a symlink in that directory and the same error appeared.

Is there any other solution to this problem or something that I'm missing?

Thanks so much!