Adds language edition

app/src/main/java/net/pokeranalytics/android/ui/activity/components/BaseActivity.kt

@@ -3,6 +3,7 @@ package net.pokeranalytics.android.ui.activity.components
 import android.Manifest.permission.ACCESS_FINE_LOCATION
 import android.content.pm.ActivityInfo
 import android.content.pm.PackageManager
+import android.os.Build
 import android.os.Bundle
 import android.os.PersistableBundle
 import android.view.MenuItem
@@ -21,6 +22,8 @@ import net.pokeranalytics.android.ui.view.RowRepresentable
 import net.pokeranalytics.android.util.CrashLogging
 import net.pokeranalytics.android.util.LocationManager
 import net.pokeranalytics.android.util.PermissionRequest
+import net.pokeranalytics.android.util.Preferences
+import java.util.*
 
 class RootBottomSheetViewModel: ViewModel() {
 	var rowRepresentable: RowRepresentable? = null
@@ -55,12 +58,14 @@ abstract class BaseActivity : AppCompatActivity() {
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		CrashLogging.log("$this.localClassName onCreate, savedInstanceState=$savedInstanceState")
+		setLanguage()
 	}
 
 	override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
 		super.onCreate(savedInstanceState, persistentState)
 		CrashLogging.log("$this.localClassName onCreate: bundle=$savedInstanceState, persistentState=$persistentState")
 		requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT // fixes crash
+		setLanguage()
 	}
 
 	override fun onResume() {
@@ -129,6 +134,26 @@ abstract class BaseActivity : AppCompatActivity() {
 		fragmentTransaction.commit()
 	}
 
+	private fun setLanguage() {
+
+		Preferences.getLanguageCode(this)?.let { languageCode ->
+
+			val config = resources.configuration
+//			val lang = "de" // your language code
+			val locale = Locale(languageCode)
+			Locale.setDefault(locale)
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+				config.setLocale(locale)
+			} else {
+				config.locale = locale
+			}
+
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
+				createConfigurationContext(config)
+			resources.updateConfiguration(config, resources.displayMetrics)
+		}
+
+	}
 
 	/**
 	 * Return the realm instance

app/src/main/java/net/pokeranalytics/android/ui/fragment/SettingsFragment.kt

@@ -11,9 +11,11 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Toast
+import androidx.appcompat.app.AlertDialog
 import androidx.core.content.FileProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.android.billingclient.api.Purchase
+import com.google.android.material.snackbar.Snackbar
 import com.google.android.play.core.review.ReviewManagerFactory
 import io.realm.Realm
 import net.pokeranalytics.android.BuildConfig
@@ -237,6 +239,7 @@ class SettingsFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRep
 					this.openPlayStoreAccount()
 				}
 			}
+			SettingsRow.LANGUAGE -> this.showLanguagePopup()
 			SettingsRow.RATE_APP -> showReviewManager()
 			SettingsRow.CONTACT_US -> parentActivity?.openContactMail(R.string.contact)
 			SettingsRow.BUG_REPORT -> parentActivity?.openContactMail(R.string.bug_report_subject, Realm.getDefaultInstance().path)
@@ -266,6 +269,31 @@ class SettingsFragment : RealmFragment(), RowRepresentableDelegate, StaticRowRep
 		}
 	}
 
+	private fun showLanguagePopup() {
+
+		context?.let { context ->
+
+			val languages = Language.values()
+			val labels = Language.values().map { it.dualNames }
+
+			val builder: AlertDialog.Builder = AlertDialog.Builder(context)
+			builder.setTitle(R.string.language_popup_message)
+			builder.setItems(labels.toTypedArray()) { _, which ->
+				// the user clicked on colors[which]
+				val locale = languages[which]
+				Preferences.setLanguageCode(locale.code, context)
+
+				this.view?.let { view ->
+					val snackBar = Snackbar.make(view, R.string.language_should_restart_app_popup_message, Snackbar.LENGTH_INDEFINITE)
+					snackBar.show()
+				}
+
+			}
+			builder.show()
+		}
+
+	}
+
 	private fun editBackupEmail() {
 		context?.let { context ->
 			showEditTextAlertDialog(context, InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS, messageResId = R.string.backup_email_title, editTextText = Preferences.getBackupEmail(context)) { value ->

app/src/main/java/net/pokeranalytics/android/ui/view/rows/SettingsRow.kt

@@ -81,7 +81,7 @@ enum class SettingsRow : RowRepresentable {
 			rows.addAll(arrayListOf(FOLLOW_US, DISCORD, BLOG_TIPS, SHOULD_SHOW_BLOG_TIPS))
 
 			rows.add(CustomizableRowRepresentable(customViewType = RowViewType.HEADER_TITLE, resId = R.string.preferences))
-			rows.addAll(arrayListOf(CURRENCY, DEALT_HANDS_PER_HOUR, BACKUP_EMAIL, SHOW_INAPP_BADGES))
+			rows.addAll(arrayListOf(LANGUAGE, CURRENCY, DEALT_HANDS_PER_HOUR, BACKUP_EMAIL, SHOW_INAPP_BADGES))
 
 			rows.add(CustomizableRowRepresentable(customViewType = RowViewType.HEADER_TITLE, resId = R.string.export))
 			rows.addAll(arrayListOf(EXPORT_CSV_SESSIONS, EXPORT_CSV_TRANSACTIONS))

app/src/main/java/net/pokeranalytics/android/util/Language.kt

@@ -0,0 +1,32 @@
+package net.pokeranalytics.android.util
+
+import java.util.*
+
+enum class Language(val code: String) {
+    ENGLISH("en"),
+    FRENCH("fr"),
+    GERMAN("de"),
+    HINDI("hi"),
+    ITALIAN("it"),
+    JAPANESE("ja"),
+    PORTUGUESE("pt"),
+    RUSSIAN("ru"),
+    CHINESE("zh");
+
+    private val localized: String
+    get() {
+        return Locale(code).displayLanguage
+    }
+
+    private val localName: String
+        get() {
+            val locale = Locale(code)
+            return locale.getDisplayLanguage(locale)
+        }
+
+    val dualNames: String
+        get() {
+            return "$localized / $localName"
+        }
+
+}

app/src/main/java/net/pokeranalytics/android/util/Preferences.kt

@@ -50,7 +50,8 @@ class Preferences {
 		SHOW_IN_APP_BADGES("showInAppBadges"),
 		LAST_CALENDAR_BADGE_DATE("lastCalendarBadgeDate"),
 		PATCH_RATED_AMOUNT("patchRatedAmount[new field]"),
-		BACKUP_EMAIL("backupEmail")
+		BACKUP_EMAIL("backupEmail"),
+		LANGUAGE_CODE("languageCode")
 	}
 
 	enum class FeedMessage {
@@ -336,6 +337,14 @@ class Preferences {
 			return getString(Keys.BACKUP_EMAIL, context)
 		}
 
+		fun setLanguageCode(languageCode: String, context: Context) {
+			setString(Keys.LANGUAGE_CODE, languageCode, context)
+		}
+
+		fun getLanguageCode(context: Context): String? {
+			return getString(Keys.LANGUAGE_CODE, context)
+		}
+
     }
 
 }