Activity lifecycle methods (onCreate, onStart, onResume, onPause, onStop, onDestroy) in Android Kotlin - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to override the method that is called when the activity is first created.

Android Kotlin

override fun [1](savedInstanceState: Bundle?) {
    super.[1](savedInstanceState)
    setContentView(R.layout.activity_main)
}

Drag options to blanks, or click blank then click option'

AonResume

BonStart

ConCreate

DonPause

Attempts:

3 left

💡 Hint

Common Mistakes

Using onStart instead of onCreate

Forgetting to call super method

The onCreate method is called when the activity is first created. It is where you initialize your UI.

2fill in blank

medium

Complete the code to override the method called when the activity becomes visible to the user.

Android Kotlin

override fun [1]() {
    super.[1]()
    // Activity is now visible
}

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AonResume

BonStart

ConPause

DonStop

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing onStart with onResume

Not calling the super method

The onStart method is called when the activity becomes visible to the user but is not yet interactive.

3fill in blank

hard

Fix the error in overriding the method that is called when the activity is about to go into the background.

Android Kotlin

override fun [1]() {
    super.[1]()
    // Pause ongoing actions
}

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AonDestroy

BonStop

ConStart

DonPause

Attempts:

3 left

💡 Hint

Common Mistakes

Using onStop instead of onPause

Forgetting to call super method

The onPause method is called when the activity is partially obscured or about to go into the background. It is used to pause ongoing actions.

4fill in blank

hard

Fill both blanks to override methods that handle when the activity is no longer visible and when it is destroyed.

Android Kotlin

override fun [1]() {
    super.[1]()
    // Activity is no longer visible
}

override fun [2]() {
    super.[2]()
    // Cleanup before activity is destroyed
}

Drag options to blanks, or click blank then click option'

AonStop

BonPause

ConDestroy

DonStart

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up onPause and onStop

Not calling super methods

onStop is called when the activity is no longer visible. onDestroy is called before the activity is destroyed and is used for cleanup.

5fill in blank

hard

Fill all three blanks to override methods that manage the activity lifecycle from visible to interactive to paused.

Android Kotlin

override fun [1]() {
    super.[1]()
    // Activity is visible
}

override fun [2]() {
    super.[2]()
    // Activity is interactive
}

override fun [3]() {
    super.[3]()
    // Activity is partially obscured
}

Drag options to blanks, or click blank then click option'

AonStart

BonResume

ConPause

DonStop

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing onPause with onStop

Incorrect order of lifecycle methods

onStart is called when the activity becomes visible, onResume when it becomes interactive, and onPause when it is partially obscured or losing focus.