Default language option

app/src/main/java/info/nightscout/androidaps/MainActivity.kt

@@ -49,7 +49,7 @@ import info.nightscout.androidaps.plugins.general.smsCommunicator.SmsCommunicato
 import info.nightscout.androidaps.setupwizard.SetupWizardActivity
 import info.nightscout.androidaps.utils.AndroidPermission
 import info.nightscout.androidaps.utils.FabricPrivacy
-import info.nightscout.androidaps.utils.LocaleHelper
+import info.nightscout.androidaps.utils.locale.LocaleHelper
 import info.nightscout.androidaps.utils.alertDialogs.OKDialog
 import info.nightscout.androidaps.utils.buildHelper.BuildHelper
 import info.nightscout.androidaps.utils.extensions.isRunningRealPumpTest

app/src/main/java/info/nightscout/androidaps/MainApp.java

@@ -37,7 +37,7 @@ import info.nightscout.androidaps.receivers.NetworkChangeReceiver;
 import info.nightscout.androidaps.receivers.TimeDateOrTZChangeReceiver;
 import info.nightscout.androidaps.services.Intents;
 import info.nightscout.androidaps.utils.ActivityMonitor;
-import info.nightscout.androidaps.utils.LocaleHelper;
+import info.nightscout.androidaps.utils.locale.LocaleHelper;
 import info.nightscout.androidaps.utils.sharedPreferences.SP;
 
 public class MainApp extends DaggerApplication {

app/src/main/java/info/nightscout/androidaps/activities/PreferencesActivity.kt

@@ -5,7 +5,7 @@ import android.os.Bundle
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.PreferenceScreen
 import info.nightscout.androidaps.R
-import info.nightscout.androidaps.utils.LocaleHelper
+import info.nightscout.androidaps.utils.locale.LocaleHelper
 import info.nightscout.androidaps.utils.resources.ResourceHelper
 import javax.inject.Inject
 

app/src/main/java/info/nightscout/androidaps/activities/SingleFragmentActivity.kt

@@ -9,7 +9,7 @@ import dagger.android.support.DaggerAppCompatActivity
 import info.nightscout.androidaps.R
 import info.nightscout.androidaps.interfaces.PluginBase
 import info.nightscout.androidaps.plugins.configBuilder.PluginStore
-import info.nightscout.androidaps.utils.LocaleHelper
+import info.nightscout.androidaps.utils.locale.LocaleHelper
 import info.nightscout.androidaps.utils.protection.ProtectionCheck
 import javax.inject.Inject
 

app/src/main/java/info/nightscout/androidaps/plugins/general/maintenance/activities/PrefImportListActivity.kt

@@ -19,7 +19,7 @@ import info.nightscout.androidaps.plugins.general.maintenance.PrefsFileContract
 import info.nightscout.androidaps.plugins.general.maintenance.formats.PrefsFormatsHandler
 import info.nightscout.androidaps.plugins.general.maintenance.formats.PrefsMetadataKey
 import info.nightscout.androidaps.plugins.general.maintenance.formats.PrefsStatus
-import info.nightscout.androidaps.utils.LocaleHelper
+import info.nightscout.androidaps.utils.locale.LocaleHelper
 import info.nightscout.androidaps.utils.resources.ResourceHelper
 import kotlinx.android.synthetic.main.maintenance_importlist_activity.*
 import javax.inject.Inject

app/src/main/java/info/nightscout/androidaps/setupwizard/SWDefinition.kt

@@ -34,7 +34,7 @@ import info.nightscout.androidaps.setupwizard.elements.*
 import info.nightscout.androidaps.setupwizard.events.EventSWUpdate
 import info.nightscout.androidaps.utils.AndroidPermission
 import info.nightscout.androidaps.utils.CryptoUtil
-import info.nightscout.androidaps.utils.LocaleHelper.update
+import info.nightscout.androidaps.utils.locale.LocaleHelper.update
 import info.nightscout.androidaps.utils.extensions.isRunningTest
 import info.nightscout.androidaps.utils.protection.ProtectionCheck
 import info.nightscout.androidaps.utils.resources.ResourceHelper

app/src/main/java/info/nightscout/androidaps/setupwizard/SetupWizardActivity.kt

@@ -20,7 +20,7 @@ import info.nightscout.androidaps.setupwizard.elements.SWItem
 import info.nightscout.androidaps.setupwizard.events.EventSWUpdate
 import info.nightscout.androidaps.utils.AndroidPermission
 import info.nightscout.androidaps.utils.FabricPrivacy
-import info.nightscout.androidaps.utils.LocaleHelper.update
+import info.nightscout.androidaps.utils.locale.LocaleHelper.update
 import info.nightscout.androidaps.utils.alertDialogs.OKDialog.show
 import info.nightscout.androidaps.utils.alertDialogs.OKDialog.showConfirmation
 import info.nightscout.androidaps.utils.resources.ResourceHelper

app/src/main/java/info/nightscout/androidaps/utils/JSONFormatter.java

@@ -1,6 +1,5 @@
 package info.nightscout.androidaps.utils;
 
-import android.os.Build;
 import android.text.Html;
 import android.text.Spanned;
 
@@ -8,7 +7,6 @@ import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.util.Iterator;
 
@@ -24,33 +22,24 @@ public class JSONFormatter {
         final JsonVisitor visitor = new JsonVisitor(1, '\t');
         try {
             if (jsonString.equals("undefined"))
-                return Html.fromHtml("undefined");
+                return HtmlHelper.INSTANCE.fromHtml("undefined");
             else if (jsonString.getBytes()[0] == '[')
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                return HtmlHelper.INSTANCE.fromHtml(visitor.visit(new JSONArray(jsonString), 0));
-                    return Html.fromHtml(visitor.visit(new JSONArray(jsonString), 0), Html.FROM_HTML_MODE_COMPACT);
+            else
-                } else {
+                return HtmlHelper.INSTANCE.fromHtml(visitor.visit(new JSONObject(jsonString), 0));
-                    return Html.fromHtml(visitor.visit(new JSONArray(jsonString), 0));
-                }
-            else {
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                    return Html.fromHtml(visitor.visit(new JSONObject(jsonString), 0), Html.FROM_HTML_MODE_COMPACT);
-                } else {
-                    return Html.fromHtml(visitor.visit(new JSONObject(jsonString), 0));
-                }
-            }
         } catch (JSONException e) {
             log.error("Unhandled exception", e);
-            return Html.fromHtml("");
+            return HtmlHelper.INSTANCE.fromHtml("");
         }
     }
 
     public static Spanned format(final JSONObject object) {
         final JsonVisitor visitor = new JsonVisitor(1, '\t');
         try {
-            return Html.fromHtml(visitor.visit(object, 0));
+            return HtmlHelper.INSTANCE.fromHtml(visitor.visit(object, 0));
         } catch (JSONException e) {
             log.error("Unhandled exception", e);
-            return Html.fromHtml("");
+            return HtmlHelper.INSTANCE.fromHtml("");
         }
     }
 

app/src/main/res/values/arrays.xml

@@ -22,6 +22,7 @@
     </string-array>
 
     <string-array name="languagesArray">
+        <item>@string/default_lang</item>
         <item>@string/en_lang</item>
         <item>@string/af_lang</item>
         <item>@string/bg_lang</item>
@@ -45,6 +46,7 @@
         <item>@string/zh_lang</item>
     </string-array>
     <string-array name="languagesValues" translatable="false">
+        <item>default</item>
         <item>en</item>
         <item>af</item>
         <item>bg</item>

app/src/main/res/values/strings.xml

@@ -1,4 +1,5 @@
 <resources>
+    <string name="default_lang" translatable="false">System default</string>
     <string name="en_lang" translatable="false">English</string>
     <string name="cs_lang" translatable="false">Czech</string>
     <string name="af_lang" translatable="false">Afrikaans</string>

core/src/main/java/info/nightscout/androidaps/activities/DialogAppCompatActivity.kt

@@ -2,7 +2,7 @@ package info.nightscout.androidaps.activities
 
 import android.content.Context
 import dagger.android.support.DaggerAppCompatActivity
-import info.nightscout.androidaps.utils.LocaleHelper
+import info.nightscout.androidaps.utils.locale.LocaleHelper
 
 open class DialogAppCompatActivity : DaggerAppCompatActivity() {
     public override fun attachBaseContext(newBase: Context) {

core/src/main/java/info/nightscout/androidaps/activities/NoSplashAppCompatActivity.kt

@@ -4,7 +4,7 @@ import android.content.Context
 import android.os.Bundle
 import dagger.android.support.DaggerAppCompatActivity
 import info.nightscout.androidaps.core.R
-import info.nightscout.androidaps.utils.LocaleHelper
+import info.nightscout.androidaps.utils.locale.LocaleHelper
 
 //@Suppress("registered")
 open class NoSplashAppCompatActivity : DaggerAppCompatActivity() {

core/src/main/java/info/nightscout/androidaps/events/EventRebuildTabs.kt

@@ -1,3 +1,3 @@
 package info.nightscout.androidaps.events
 
-class EventRebuildTabs @JvmOverloads constructor(var recreate: Boolean = false) : Event()
+class EventRebuildTabs constructor(var recreate: Boolean = false) : Event()

core/src/main/java/info/nightscout/androidaps/utils/HtmlHelper.kt

@@ -6,11 +6,6 @@ import android.text.Spanned
 
 object HtmlHelper {
     fun fromHtml(source: String): Spanned {
-        // API level 24 to replace call
+        return  Html.fromHtml(source, Html.FROM_HTML_MODE_LEGACY)
-        @Suppress("DEPRECATION")
-        return when {
-            Build.VERSION.SDK_INT >= Build.VERSION_CODES.N -> Html.fromHtml(source, Html.FROM_HTML_MODE_LEGACY)
-            else -> Html.fromHtml(source)
-        }
     }
 }

core/src/main/java/info/nightscout/androidaps/utils/locale/LocaleHelper.kt

@@ -1,22 +1,23 @@
-package info.nightscout.androidaps.utils
+package info.nightscout.androidaps.utils.locale
 
 import android.content.Context
 import android.content.ContextWrapper
-import android.os.Build
 import android.os.LocaleList
 import androidx.preference.PreferenceManager
 import info.nightscout.androidaps.core.R
 import java.util.*
 
 object LocaleHelper {
-    private fun currentLanguage(context: Context): String =
+    private fun selectedLanguage(context: Context): String =
-        PreferenceManager.getDefaultSharedPreferences(context).getString(context.getString(R.string.key_language), "en")
+        PreferenceManager.getDefaultSharedPreferences(context).getString(context.getString(R.string.key_language), "default")
-            ?: "en"
+            ?: "default"
     // injection not possible because of use in attachBaseContext
     //SP.getString(R.string.key_language, Locale.getDefault().language)
 
     private fun currentLocale(context: Context): Locale {
-        val language = currentLanguage(context)
+        val language = selectedLanguage(context)
+        if (language == "default") return Locale.getDefault()
+
         var locale = Locale(language)
         if (language.contains("_")) {
             // language with country like pt_BR defined in arrays.xml
@@ -27,8 +28,10 @@ object LocaleHelper {
         return locale
     }
 
-    @Suppress("DEPRECATION")
     fun update(context: Context) {
+        // no action for system default language
+        if (selectedLanguage(context) == "default") return
+
         val locale = currentLocale(context)
         Locale.setDefault(locale)
         val resources = context.resources
@@ -39,20 +42,18 @@ object LocaleHelper {
         resources.updateConfiguration(configuration, resources.displayMetrics)
     }
 
-    fun wrap(ctx: Context): ContextWrapper {
+    fun wrap(ctx: Context): Context {
+        // no action for system default language
+        if (selectedLanguage(ctx) == "default") return ctx
+
         val res = ctx.resources
         val configuration = res.configuration
         val newLocale = currentLocale(ctx)
-        val context = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
         configuration.setLocale(newLocale)
         val localeList = LocaleList(newLocale)
         LocaleList.setDefault(localeList)
         configuration.locales = localeList
-            ctx.createConfigurationContext(configuration)
+        val context = ctx.createConfigurationContext(configuration)
-        } else {
-            configuration.setLocale(newLocale)
-            ctx.createConfigurationContext(configuration)
-        }
         return ContextWrapper(context)
     }
 }