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Fix system language setting always using english

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This commit is contained in:
len 2016-12-21 00:42:46 +01:00
parent 7fdd2cacd7
commit 091c0c0c71
2 changed files with 64 additions and 26 deletions
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3
app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsGeneralFragment.kt
View file

@ -18,7 +18,6 @@ import net.xpece.android.support.preference.MultiSelectListPreference
import rx.Observable
import rx.android.schedulers.AndroidSchedulers
import uy.kohesive.injekt.injectLazy
import java.util.*
class SettingsGeneralFragment : SettingsFragment(),
PreferenceFragmentCompat.OnPreferenceDisplayDialogCallback {
@ -108,7 +107,7 @@ class SettingsGeneralFragment : SettingsFragment(),
langPreference.setOnPreferenceChangeListener { preference, newValue ->
(activity as SettingsActivity).parentFlags = SettingsActivity.FLAG_LANG_CHANGED
LocaleHelper.setLocale(Locale(LocaleHelper.intToLangCode(newValue.toString().toInt())))
LocaleHelper.changeLocale(newValue.toString().toInt())
LocaleHelper.updateCfg(activity.application, activity.baseContext.resources.configuration)
activity.recreate()
true

87
app/src/main/java/eu/kanade/tachiyomi/util/LocaleHelper.kt
View file

@ -6,42 +6,81 @@ import android.os.Build
import android.view.ContextThemeWrapper
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import uy.kohesive.injekt.injectLazy
import java.util.Locale
import java.util.*
/**
* Utility class to change the application's language in runtime.
*/
@Suppress("DEPRECATION")
object LocaleHelper {
/**
* Preferences helper.
*/
private val preferences: PreferencesHelper by injectLazy()
private var pLocale = Locale(intToLangCode(preferences.lang()))
/**
* In API 16 and below the application's configuration has to be changed, so we need a copy of
* the initial locale. The only problem is that if the system locale changes while the app is
* running, it won't change until an application restart.
*/
private var v16SystemLocale = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1)
preferences.context.resources.configuration.locale else null
fun setLocale(locale: Locale) {
pLocale = locale
Locale.setDefault(pLocale)
}
/**
* The application's locale. When it's null, the system locale is used.
*/
private var appLocale = getLocaleFromCode(preferences.lang())
fun updateCfg(wrapper: ContextThemeWrapper) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
val config = Configuration(preferences.context.resources.configuration)
config.setLocale(pLocale)
wrapper.applyOverrideConfiguration(config)
}
}
fun updateCfg(app: Application, config: Configuration) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
config.locale = pLocale
app.baseContext.resources.updateConfiguration(config, app.baseContext.resources.displayMetrics)
}
}
fun intToLangCode(i: Int): String {
return when(i) {
/**
* Returns the locale for the value stored in preferences, or null if system language or unknown
* value is selected.
*
* @param pref the int value stored in preferences.
*/
private fun getLocaleFromCode(pref: Int): Locale? {
val code = when(pref) {
1 -> "en"
2 -> "es"
3 -> "it"
4 -> "pt"
else -> "" // System Language
else -> return null
}
return Locale(code)
}
/**
* Changes the application's locale with a new preference.
*
* @param pref the new value stored in preferences.
*/
fun changeLocale(pref: Int) {
appLocale = getLocaleFromCode(pref)
}
/**
* Updates the app's language from API 17.
*/
fun updateCfg(wrapper: ContextThemeWrapper) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 && appLocale != null) {
val config = Configuration(preferences.context.resources.configuration)
config.setLocale(appLocale)
wrapper.applyOverrideConfiguration(config)
}
}
/**
* Updates the app's language for API 16 and lower.
*/
fun updateCfg(app: Application, config: Configuration) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
val configCopy = Configuration(config)
val displayMetrics = app.baseContext.resources.displayMetrics
configCopy.locale = appLocale ?: v16SystemLocale
app.baseContext.resources.updateConfiguration(configCopy, displayMetrics)
}
}
}