I suspect the problem lies a bit deeper than just having the .desktop there for url-dispatcher:
phablet@ubuntu-phablet:~$ ubuntu-app-launch com.canonical.calendar_calendar
** (process:22374): WARNING **: Unable to find keyfile for application 'com.canonical.calendar_calendar'
I suspect the problem lies a bit deeper than just having the .desktop there for url-dispatcher:
phablet@ ubuntu- phablet: ~$ ubuntu-app-launch com.canonical. calendar_ calendar
** (process:22374): WARNING **: Unable to find keyfile for application 'com.canonical. calendar_ calendar'