Android Interview Question Part-1

 

1. What is an Explicit Intent?

- Explicit intent specifies the particular activity that should respond to the intent.
- They are used for application internal messages.

2. What is an Implicit Intent?

- In case of Implicit Intent, an intent is just declared.
- It is for the platform to find an activity that can respond to it.
- Since the target component is not declared, it is used for activating components of other applications.

3. What do intent filters do?

- There can be more than one intents, depending on the services and activities that are going to use them.
- Each component needs to tell which intents they want to respond to.
- Intent filters filter out the intents that these components are willing to respond to.

4. Where are lay out details placed? Why?

- Layout details are placed in XML files
- XML-based layouts provide a consistent and standard means of setting GUI definition format.
5. What is Android?
an open-source operating system used for smartphones and tablet computers.
6. ADT stand for?
Android Developer Tools
7. SDK stand for ?
Software Development Kit
8. Language Know to develop android apps?
Java
XML

9. What is Intent?
An Intent is exactly what it describes. It's an "intention" to do an action.

An Intent is basically a message to say you did or want something to happen. Depending on the intent, apps or the OS might be listening for it and will react accordingly.

There are two types of intents in android:

• Implicit Intent
• Explicit Intent

10. What is AVD?
AVD Stand for Android Virtual Device (emulator), The Android SDK includes a mobile device emulator - a virtual mobile device that runs on your computer.