D. A. Macan, Z. Stapić, M. Pavlović, “Using retrofit framework in implementation of android rest client” in Razvoj poslovnih i informatičkih sustava CASE 27, Zagreb, 2015, pp. 49–56. Abstract: Most of today’s mobile applications use one or more communication technologies to send and retrieve data stored online. In majority of these cases applications actually communicate with back-end web service which sends and receives the data. Today’s most popular architecture that deals with this functionality, is called REST (Representation State Transfer) architecture, but, implementing REST client in native Android applications usually takes a lot of time, and if it is not implemented by using some architectural pattern, time needed to modify the implementation grows proportionally with application complexity. Industry recognized one helpful framework, Retrofit, which aims to speed up the process and leaves developers more time to focus on the other important activities in the system development process. To reduce even more boilerplate code, Retrofit uses Java annotations which speed up the development process even more. Thus, in this paper we present Retrofit framework and we compare it with native implementation of Android REST client.

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