DoorDash Android Developer Mock Interview
Practice 30 DoorDash Android Developer interview questions covering system design, Kotlin, and delivery platform challenges.
Question 16 of 30
Android Activities have life cycles. Can you describe what these are and the functions they perform?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
During an Android developer job interview with Doordash, you may be presented with cases and asked to complete the task or resolve an issue. This question is similar to that. The interviewer is asking you a detailed question about a specific component of the Android OS. They could have also created a case where they would ask you to program code to accomplish a specific task within an application. These detailed questions are meant to confirm your programming skills and determine the scope of work you can perform for Doordash.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"Activities occur within the Android application and have limited life cycles. The Activity class provides a number of callbacks to know that the system state has changed. This includes: creating, starting, resuming, pausing, stopping, destroying, and restarting. The syntax used for these commands begins with 'On,' followed by the command, and then the parameters of the activity. Each command executes a function similar to its name. For example, OnPause is used when an activity is moved to the background but is still running."
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