Intent for activity navigation in Android Kotlin - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create an Intent to start SecondActivity from MainActivity.

Android Kotlin

val intent = Intent(this, [1]::class.java)
startActivity(intent)

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

ASecondActivity

BMainActivity

CApplication

DContext

Attempts:

3 left

💡 Hint

Common Mistakes

Using the current activity class instead of the target activity.

Forgetting to add ::class.java after the activity name.

The Intent constructor needs the target activity class. Here, SecondActivity is the destination.

2fill in blank

medium

Complete the code to add extra data "username" to the Intent.

Android Kotlin

val intent = Intent(this, SecondActivity::class.java)
intent.[1]("username", "Alice")
startActivity(intent)

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

AsetExtra

BgetExtra

CaddExtra

DputExtra

Attempts:

3 left

💡 Hint

Common Mistakes

Using getExtra which is for retrieving data, not adding.

Using non-existent methods like addExtra or setExtra.

Use putExtra to add extra data to an Intent before starting an activity.

3fill in blank

hard

Fix the error in the Intent creation to start ThirdActivity.

Android Kotlin

val intent = Intent(this, [1])
startActivity(intent)

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

AThirdActivity.class

BThirdActivity::class.java

CThirdActivity

DThirdActivity()

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the activity name without ::class.java.

Passing an instance of the activity instead of the class.

The Intent constructor requires the class reference with ::class.java in Kotlin.

4fill in blank

hard

Fill both blanks to create an Intent and start FourthActivity.

Android Kotlin

val intent = Intent([1], [2]::class.java)
startActivity(intent)

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

Athis

BapplicationContext

CFourthActivity

DMainActivity

Attempts:

3 left

💡 Hint

Common Mistakes

Using applicationContext instead of this, which can cause issues with UI.

Mixing up the order of arguments.

The first argument is the current context, usually this in an activity. The second is the target activity class.

5fill in blank

hard

Fill all three blanks to create an Intent, add an extra "age", and start FifthActivity.

Android Kotlin

val intent = Intent([1], [2]::class.java)
intent.[3]("age", 25)
startActivity(intent)

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

Athis

BFifthActivity

CputExtra

DapplicationContext

Attempts:

3 left

💡 Hint

Common Mistakes

Using applicationContext instead of this for context.

Using wrong method names for adding extras.

Mixing up the order of arguments.

Use this as context, FifthActivity as target, and putExtra to add data.