This is androidpatterns.com, a set of interaction patterns that can help you design Android apps. An interaction pattern is a short hand summary of a design solution that has proven to work more than once. Please be inspired: use them as a guide, not as a law.
I. Arapakis, X. Bai, and B. Cambazoglu. Proceedings of the 37th international ACM SIGIR conference on Research &$\mathsemicolon$ development in information retrieval, ACM, (July 2014)
H. Aras, and D. Huber. Intelligent Interactive Assistance and Mobile Multimedia Computing, volume 53 of Communications in Computer and Information Science, Springer Berlin Heidelberg, 10.1007/978-3-642-10263-9_3.(2009)
B. Brandherm, J. Haupert, A. Kröner, M. Schmitz, and F. Lehmann. PerCom 2010 Workshops: Proceedings of the 8th Annual IEEE International Conference on Pervasive Computing and Communications Workshops, Mannheim, Germany, page 768-771. (2010)
A. Burrow, and P. Eklund. Proceedings of the 3rd International Conference on Conceptual Structures, page 76-80. Department of Computer Science, University California, Santa Cruz, (1995)Andrew's ideas about canonical rules driving the editing interface to CGs, later implemented in WebKB-GE by Simon.