Android Development MCQs with answers Page - 23

Here, you will find a collection of MCQ questions on Android Development. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which tool converts XML layout files into Java code?

  • (A) R.java
  • (B) ViewBinder
  • (C) XMLCompiler
  • (D) Manifest Merger

A

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Q. Which of these manages data persistence in Jetpack?

  • (A) LiveData
  • (B) Room
  • (C) ViewModel
  • (D) DataBinding

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Q. Which method is called when a Fragment becomes visible?

  • (A) onStart()
  • (B) onCreate()
  • (C) onResume()
  • (D) onAttach()

A

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Q. Which layout arranges children in a single column or row?

  • (A) FrameLayout
  • (B) RelativeLayout
  • (C) LinearLayout
  • (D) ConstraintLayout

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Q. Which class in Android is used to schedule background tasks that must execute under specific conditions?

  • (A) AlarmManager
  • (B) Handler
  • (C) WorkManager
  • (D) Thread

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Q. What is the purpose of 'finish()' in an Activity?

  • (A) Pauses the activity
  • (B) Restarts the activity
  • (C) Destroys the activity and removes it from the back stack
  • (D) Minimizes the app

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Q. Which annotation is used in Room DAO to run SQL queries?

  • (A) @Entity
  • (B) @Insert
  • (C) @Query
  • (D) @Database

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Q. Which tool allows you to monitor memory usage in Android Studio?

  • (A) Profiler
  • (B) Logcat
  • (C) ADB
  • (D) MemoryChecker

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Q. Which file contains the applicationId in an Android project?

  • (A) AndroidManifest.xml
  • (B) gradle-wrapper.properties
  • (C) build.gradle (Module: app)
  • (D) proguard-rules.pro

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Q. Which class is used to make HTTP network calls in modern Android apps?

  • (A) HttpURLConnection
  • (B) OkHttpClient
  • (C) Retrofit
  • (D) Volley

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