case), 10 Best Practices for Moving to a Single Activity, Single Activity: Why, When, and How (Android Dev Summit '18), Android Jetpack: Manage UI navigation with Navigation Controller (Google I/O '18), Navigation graph: An XML resource that contains all navigation-related You should avoid pausing your tests for an arbitrary period (sleep) to Android Interface Definition Language (AIDL) interface. In most cases, you include this description in the element's contentDescription attribute, as shown in the following code snippet: