Android code smells: From introduction to refactoring

Object-oriented code smells are well-known concepts in software engineering that refer to bad design and development practices commonly observed systems. With the emergence of mobile apps, new classes have been identified by research community as mobile-specific smells. These presented symptoms important performance issues or bottlenecks. Despite multiple empirical studies about these smells, their diffuseness evolution along change histories remains unclear. We present this article a large-scale study inspects introduction, evolution, removal Android This relies on data extracted from 324 manual analysis 561 smell-removing commits, discussions with 25 developers. Our findings reveal high is not result releasing pressure. also found generally side effect maintenance activities developers do refactor smell instances even when they aware them.