Your First Kotlin Android App: Polishing the App

Aug 22 2023 · Kotlin 1.8.20, Android 13, Android Studio Flamingo | 2022.2.1

Part 1: Build Out the App

06. Improve the Alert Title

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Previous episode: 05. Keep Track of Game Rounds Next episode: 07. Challenge: Add Bonus Points

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fun alertTitle(): Int {

}

val difference = abs(targetValue - sliderToInt)

//...
val title: Int = if (difference == 0) {
  R.string.alert_title_1
} else if (difference < 5) {
  R.string.alert_title_2
} else if (difference <= 10) {
  R.string.alert_title_3
} else {
  R.string.alert_title_4
}

//...
return title

val title: Int = when {
  difference == 0 -> {
    R.string.alert_title_1
  }
  difference < 5 -> {
    R.string.alert_title_2
  }
  difference <= 10 -> {
    R.string.alert_title_3
  }
  else -> {
    R.string.alert_title_4
  }
}

ResultDialog(
  dialogTitle = alertTitle(),
  //...
)

@Composable
fun ResultDialog(
  hideDialog: () -> Unit,
  dialogTitle: Int, // New Code
  //...
) {
  //...
    title = { Text(stringResource(id = dialogTitle)) }, // Updated Code
}

fun differenceAmount() = abs(targetValue - sliderToInt)

fun pointsForCurrentRound(): Int {
  //...
  val difference = differenceAmount() // Updated Code
  //...
}

fun alertTitle(): Int {
  val difference = differenceAmount() // Updated Code
  //...
}