content:

content:

[1] content: は、Android で用いられている URL scheme の1つです。

[2] Sending Content to Other Apps | Android Developers ( ( 版)) <http://developer.android.com/training/sharing/send.html>

[3] Content Provider Basics | Android Developers ( ( 版)) <http://developer.android.com/guide/topics/providers/content-provider-basics.html>