You need to make sure that capitalisation of the case for the plugin in the
properties file is exactly: "AllocinePlugin" and not "allocineplugin"
This is a bug when using Micromax devices with VideoView. You can either exclude these devices or look at this workaround: http://stackoverflow.com/a/31942841/4347859
java.lang.StringIndexOutOfBoundsException: String index out of range: -1 at java.lang.String.substring(Unknown Source)