Broadcast Receiver

Have you worked with Broadcast Receivers? Can you explain what they are and how they work?

You've come across a pull request in which a BroadcastReceiver starts a new thread in its onReceive() method. What are your concerns?

How do you normally register your Broadcast Receivers? Any reasons behind picking it over other methods?

Can you describe the lifecycle of a Broadcast Receiver and how it interacts with the lifecycle of its parent application?

How can you restrict other apps from sending broadcasts to your BroadcastReceiver?

You have spotted a pull request where a database related code is called inside onReceive method. What are your concerns?

Your team's Business Analyst comes and asks you if your application can be launched automatically when a specific broadcast is received? What will be your answer?

What happens to a broadcast message if it is sent to an app that is in a cached state?

Which of following are correct about Broadcasts?