android - Error: Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Landroswing/tree/DefaultMutableTreeNode; -

android - Error: Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Landroswing/tree/DefaultMutableTreeNode; -

i trying create pdf reader app using android pdf viewer library github

https://github.com/jblough/android-pdf-viewer-library

when include library project , seek run application error:

conversion dalvik format failed: unable execute dex: multiple dex files define landroswing/tree/defaultmutabletreenode;

please help,

thanks in advance.

i had same problem. turned out including both provided source , provided jar-file in build path.

i removed jar file build path (if have set in libs/-folder, need rename folder or remove jar-file)

android compiler-errors pdf-viewer