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Fixed trailing zeros issue

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Sad Ellie 2022-06-22 21:50:00 +03:00
parent 984ee4439b
commit 6ec1e1dfb0
1 changed files with 20 additions and 8 deletions
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20
app/src/main/java/com/sadellie/unitto/screens/MainViewModel.kt
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@ -47,6 +47,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel
import kotlinx.coroutines.flow.first import kotlinx.coroutines.flow.first
import kotlinx.coroutines.launch import kotlinx.coroutines.launch
import java.math.BigDecimal import java.math.BigDecimal
import java.math.RoundingMode
import javax.inject.Inject import javax.inject.Inject
@ -114,7 +115,8 @@ class MainViewModel @Inject constructor(
fun updateEnableAnalytics(enableAnalytics: Boolean) { fun updateEnableAnalytics(enableAnalytics: Boolean) {
viewModelScope.launch { viewModelScope.launch {
userPrefsRepository.updateEnableAnalytics(enableAnalytics) userPrefsRepository.updateEnableAnalytics(enableAnalytics)
FirebaseAnalytics.getInstance(application).setAnalyticsCollectionEnabled(enableAnalytics) FirebaseAnalytics.getInstance(application)
.setAnalyticsCollectionEnabled(enableAnalytics)
} }
} }
@ -143,14 +145,24 @@ class MainViewModel @Inject constructor(
// Converting value using a specified precision // Converting value using a specified precision
val convertedValue: BigDecimal = val convertedValue: BigDecimal =
unitFrom.convert(unitTo, mainUIState.inputValue.toBigDecimal(), precision) unitFrom.convert(unitTo, mainUIState.inputValue.toBigDecimal(), precision)
/**
* There is a very interesting bug when trailing zeros are not stripped when input
* consists of ZEROS only (0.00000 as an example). This check is a workaround. If the result
* is zero, than we make sure there are no trailing zeros.
*/
val resultValue =
if (convertedValue == BigDecimal.ZERO.setScale(precision, RoundingMode.HALF_EVEN)) {
KEY_0
} else {
// Setting result value using a specified OutputFormat // Setting result value using a specified OutputFormat
mainUIState = mainUIState.copy( when (outputFormat) {
resultValue = when (outputFormat) {
OutputFormat.ALLOW_ENGINEERING -> convertedValue.toString() OutputFormat.ALLOW_ENGINEERING -> convertedValue.toString()
OutputFormat.FORCE_ENGINEERING -> convertedValue.toEngineeringString() OutputFormat.FORCE_ENGINEERING -> convertedValue.toEngineeringString()
else -> convertedValue.toPlainString() else -> convertedValue.toPlainString()
} }
) }
mainUIState = mainUIState.copy(resultValue = resultValue)
} }
/** /**