Question: What are the core components under the Android application architecture?
Answer: There are 5 key components under the Android application architecture: – services
– intent – resource externalization – notifications – content providers
Question: What is the use of an activityCreator?
Answer: An activityCreator is the first step towards the creation of a new Android project. It
is made up of a shell script that will be used to create new file system structure necessary for writing codes within the Android IDE.
Question: How do you remove icons and widgets from the main screen of the Android device?
Answer: To remove an icon or shortcut, press and hold that icon. You then drag it downwards to the lower part of the screen where a remove button appears.
Question: What is a Sticky Intent?
Answer: A Sticky Intent is a broadcast from sendStickyBroadcast() method such that the intent floats around even after the broadcast, allowing others to collect data from it.
Question: What are Intents?
Answer: Intents displays notification messages to the user from within the Android enabled device. It can be used to alert the user of a particular state that occurred. Users can be made to respond to intents.
Question: What are containers?
Answer: Containers, as the name itself implies, holds objects and widgets together, depending on which specific items are needed and in what particular arrangement that is wanted. Containers may hold labels, fields, buttons, or even child containers, as examples.
