Your First Kotlin Android App: An App From Scratch

Aug 15 2023 · Kotlin 1.8.20, Android 13, Android Studio Flamingo | 2022.2.1

Part 3: Coding in Kotlin

26. Use a Math Function

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Previous episode: 25. Challenge: Rewrite the Difference Calculation Code Next episode: 27. Conclusion

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Notes: 26. Use a Math Function


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At this point, you鈥檝e simplified your algorithm to calculate the difference down to a few lines of code.

fun pointsForCurrentRound(): Int {
    val maxScore = 100
    val difference = targetValue - sliderToInt
    return maxScore - difference
val difference = abs(targetValue - sliderToInt)