Application Development Exam Questions And Answers | Mobile

Answer: The delegate pattern allows one object to act on behalf of or in coordination with another. For example, UITableView has a delegate property that conforms to UITableViewDelegate . The view controller implements methods like didSelectRowAt to handle row selection without subclassing UITableView . 15. Compare and contrast SQLite and Room Persistence Library for local data storage in Android. When would you use one over the other?

1. Which Android component is an entry point that runs in the background without a user interface? a) Activity b) Service ✅ c) Content Provider d) Broadcast Receiver mobile application development exam questions and answers

a) Background Thread b) Main Dispatch Queue (Main Thread) ✅ c) Global Queue d) Custom Serial Queue Answer: The delegate pattern allows one object to