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✨ Add language selection in debug mode
Added the ability to select the language of the app. - Added a new dialog to select the language. - Added a new preference to store the selected language. - Added a new helper class to change the locale of the app. - Updated the worker to use the selected language. - Updated the settings screen to add a new option to open the language picker dialog.
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app/src/main/java/com/lorenzovainigli/foodexpirationdates/model/LocaleHelper.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package com.lorenzovainigli.foodexpirationdates.model | ||
|
|
||
| import android.app.Activity | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.content.res.Configuration | ||
| import com.lorenzovainigli.foodexpirationdates.view.MainActivity | ||
| import java.util.Locale | ||
| import kotlin.jvm.java | ||
|
|
||
| enum class Language(val code: String, val label: String) { | ||
| SYSTEM("system", "System"), | ||
| ARABIC("ar", "العربية"), | ||
| CHINESE_TRADITIONAL("zh-TW", "繁體中文"), | ||
| ENGLISH("en", "English"), | ||
| FRENCH("fr", "Français"), | ||
| GERMAN("de", "Deutsch"), | ||
| HINDI("hi", "हिन्दी"), | ||
| INDONESIAN("id", "Bahasa Indonesia"), | ||
| ITALIAN("it", "Italiano"), | ||
| JAPANESE("ja", "日本語"), | ||
| POLISH("pl", "Polski"), | ||
| RUSSIAN("ru", "Русский"), | ||
| SPANISH("es", "Español"), | ||
| TAMIL("ta", "தமிழ்"), | ||
| TURKISH("tr", "Türkçe"), | ||
| VIETNAMESE("vi", "Tiếng Việt"); | ||
|
|
||
| companion object { | ||
| fun fromCode(code: String): Language { | ||
| return Language.entries.find { it.code == code } ?: SYSTEM | ||
| } | ||
| } | ||
| } | ||
|
|
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| object LocaleHelper { | ||
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|
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| fun setLocale(context: Context, language: String): Context { | ||
| val locale = if (language == Language.SYSTEM.name) { | ||
| Locale.getDefault() | ||
| } else { | ||
| Locale(language) | ||
| } | ||
| Locale.setDefault(locale) | ||
|
|
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| val config = Configuration(context.resources.configuration) | ||
| config.setLocale(locale) | ||
| config.setLayoutDirection(locale) | ||
|
|
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| return context.createConfigurationContext(config) | ||
| } | ||
|
|
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| fun changeLanguage(context: Context, newLanguage: String) { | ||
| setLocale(context, newLanguage) | ||
| val intent = Intent(context, MainActivity::class.java) // or current activity | ||
| intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK | ||
| context.startActivity(intent) | ||
| (context as Activity).finish() | ||
| } | ||
| } |
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...main/java/com/lorenzovainigli/foodexpirationdates/view/composable/LanguagePickerDialog.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,121 @@ | ||
| package com.lorenzovainigli.foodexpirationdates.view.composable | ||
|
|
||
| import androidx.compose.foundation.clickable | ||
| import androidx.compose.foundation.layout.Arrangement | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Row | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.rememberScrollState | ||
| import androidx.compose.foundation.shape.RoundedCornerShape | ||
| import androidx.compose.foundation.verticalScroll | ||
| import androidx.compose.material3.Button | ||
| import androidx.compose.material3.Card | ||
| import androidx.compose.material3.CardDefaults | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.RadioButton | ||
| import androidx.compose.material3.Surface | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.tooling.preview.PreviewLightDark | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.compose.ui.window.Dialog | ||
| import com.lorenzovainigli.foodexpirationdates.R | ||
| import com.lorenzovainigli.foodexpirationdates.model.Language | ||
| import com.lorenzovainigli.foodexpirationdates.model.LocaleHelper | ||
| import com.lorenzovainigli.foodexpirationdates.model.repository.PreferencesRepository | ||
| import com.lorenzovainigli.foodexpirationdates.ui.theme.FoodExpirationDatesTheme | ||
|
|
||
| @Composable | ||
| fun LanguagePickerDialog( | ||
| isDialogOpen: Boolean = true, | ||
| onDismiss: () -> Unit = {} | ||
| ) { | ||
| if (isDialogOpen) { | ||
| val context = LocalContext.current | ||
| val storedLanguage = PreferencesRepository.getLanguage(context) | ||
| var selectedLanguage = remember { | ||
| mutableStateOf(storedLanguage) | ||
| } | ||
| Dialog( | ||
| onDismissRequest = onDismiss | ||
| ) { | ||
| Card( | ||
| shape = RoundedCornerShape(10.dp), | ||
| elevation = CardDefaults.cardElevation( | ||
| defaultElevation = 8.dp | ||
| ) | ||
| ) { | ||
| Column( | ||
| modifier = Modifier.padding(horizontal = 24.dp, vertical = 16.dp) | ||
| ) { | ||
| Text( | ||
| modifier = Modifier.padding(4.dp), | ||
| text = stringResource(R.string.select_language), | ||
| style = MaterialTheme.typography.titleLarge, | ||
| color = MaterialTheme.colorScheme.onSurface | ||
| ) | ||
| Column( | ||
| modifier = Modifier | ||
| .height(480.dp) | ||
| .verticalScroll(rememberScrollState()) | ||
| ) { | ||
| Language.entries.forEach { language -> | ||
| Row( | ||
| modifier = Modifier.fillMaxWidth(1f).clickable( | ||
| onClick = { | ||
| selectedLanguage.value = language.code | ||
| }), | ||
| horizontalArrangement = Arrangement.Start, | ||
| verticalAlignment = Alignment.CenterVertically | ||
| ) { | ||
| RadioButton( | ||
| selected = selectedLanguage.value == language.code, | ||
| onClick = { | ||
| selectedLanguage.value = language.code | ||
| } | ||
| ) | ||
| Text( | ||
| text = language.label, | ||
| color = if (selectedLanguage.value == language.code) | ||
| MaterialTheme.colorScheme.primary | ||
| else Color.Unspecified | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| Button( | ||
| modifier = Modifier.align(Alignment.End), | ||
| onClick = { | ||
| LocaleHelper.changeLanguage(context, selectedLanguage.value) | ||
| PreferencesRepository.setLanguage( | ||
| context, | ||
| language = selectedLanguage.value | ||
| ) | ||
| } | ||
| ) { | ||
| Text(stringResource(R.string.apply)) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @PreviewLightDark | ||
| @Composable | ||
| fun LanguagePickerDialogPreview() { | ||
| FoodExpirationDatesTheme { | ||
| Surface { | ||
| LanguagePickerDialog() | ||
| } | ||
| } | ||
| } |
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