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How do you implement a BroadcastReceiver in Android?

  • By extending the BroadcastReceiver
  • By implementing the BroadcastReceiver
  • By extending the Receiver
  • By implementing the Receiver
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What is ADB in Android?

  • Android Debug Bridge
  • x
  • Application Development Bridge
  • Application Database
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What is the use of RecyclerView in Android?

  • To display a fixed number of items
  • To display a large dataset of items
  • To handle user input
  • To manage network operations
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Which component is NOT part of the Android application structure?

  • Activities
  • Fragments
  • Intents
  • Servers
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What does the 'R' class in Android represent?

  • Resources
  • Remote Services
  • Resolved Classes
  • Recent Activities
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How can you access a view by its id in Android?

  • findViewById()
  • getViewById()
  • findView()
  • getView()
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What does APK stand for?

  • Android Phone Kit
  • Android Page Kit
  • Android Package Kit
  • Android Package Keeper
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How can you persist data in Android?

  • SharedPreferences
  • Files
  • SQLite Database
  • All of the above
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How can you avoid ANR in Android?

  • Using background threads
  • Using heavy tasks on main thread
  • Blocking UI thread
  • Ignoring system events
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Which component is responsible for managing the lifecycle of an Android app?

  • Activity
  • Fragment
  • Service
  • ActivityManager
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Which attribute is used to specify the id of a view in Android?

  • id
  • view_id
  • android
  • viewid
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What does the 'Parcelable' interface in Android do?

  • Serializes objects
  • Allows objects to be serialized and passed between activities
  • Manages app resources
  • Handles UI events
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What is the main component of the Android architecture?

  • Applications
  • Linux Kernel
  • Libraries
  • All of the above
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What is the purpose of the 'Looper' class in Android?

  • To manage threads
  • To manage message queues for threads
  • To handle UI rendering
  • To manage network requests
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What does the term "ViewModel" refer to in Android Architecture Components?

  • A UI layout
  • A component for managing UI-related data
  • A background process
  • A system service
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What is the use of the ProGuard tool in Android development?

  • To manage app dependencies
  • To optimize and obfuscate the code
  • To provide analytics
  • To handle UI rendering
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Which method is used to bind a service to a component in Android?

  • bindService()
  • startService()
  • bindComponent()
  • bindStart()
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What is Android?

  • Operating System
  • Programming Language
  • Database
  • Web Server
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Which class is used to play audio in Android?

  • MediaPlayer
  • AudioPlayer
  • SoundPlayer
  • MediaController
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What does the term "Fragment" refer to in Android development?

  • A UI component
  • A background service
  • A layout manager
  • A data storage option
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How do you handle long-running operations in Android without blocking the UI?

  • Using background threads
  • Using main thread
  • Using UI thread
  • Using main activity thread
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How is a Toast message displayed in Android?

  • Toast.makeText()
  • Toast.show()
  • Toast.display()
  • Toast.create()
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What is ANR in Android?

  • Android Non-Responsive
  • Application Not Running
  • Android Not Running
  • Application Not Responding
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What is the AndroidManifest.xml file used for?

  • Declaring app components
  • Defining UI layouts
  • Storing data
  • Handling background tasks
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Which of the following is NOT a type of Context in Android?

  • Application Context
  • Activity Context
  • Service Context
  • Fragment Context
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Which method is used to display a dialog in Android?

  • showDialog()
  • displayDialog()
  • createDialog()
  • presentDialog()
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