(2019). Almost every third person worldwide owns a smartphone jobs directly related to the mobile industry (Source: Statista) (Source: GSMA, The Mobile Economy 2019)
action from another app component” • Explicit Intents Explicit intents explicitly define the component which should be called by the Android system, by using the Java class as identifier
activity design” • A fragment must always be hosted in an activity • A fragment has its own layout and its own behavior • A fragment can be used in multiple activities