added Android 13 support

app/src/main/AndroidManifest.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:tools="http://schemas.android.com/tools"
-	android:versionCode="474"
-	android:versionName="30.0"
+	android:versionCode="493"
+	android:versionName="30.19"
 	xmlns:android="http://schemas.android.com/apk/res/android">
 
-	<uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
-	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" tools:ignore="ScopedStorage" /> <!-- required for words exporting on Android < 10 -->
+	<uses-permission android:name="android.permission.POST_NOTIFICATIONS"/> <!-- allows displaying notifications on Android >= 13 -->
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" tools:ignore="ScopedStorage" /> <!-- allows words exporting on Android < 10 -->
 
 	<application
 		android:allowBackup="false"

app/src/main/java/io/github/sspanak/tt9/db/exporter/AbstractExporter.java

@@ -1,10 +1,8 @@
 package io.github.sspanak.tt9.db.exporter;
 
-import android.Manifest;
 import android.app.Activity;
 import android.content.ContentResolver;
 import android.content.ContentValues;
-import android.content.pm.PackageManager;
 import android.media.MediaScannerConnection;
 import android.net.Uri;
 import android.os.Build;
@@ -19,6 +17,7 @@ import java.io.IOException;
 import java.io.OutputStream;
 
 import io.github.sspanak.tt9.util.ConsumerCompat;
+import io.github.sspanak.tt9.util.Permissions;
 
 public abstract class AbstractExporter {
 	protected static String FILE_EXTENSION = ".csv";
@@ -67,11 +66,9 @@ public abstract class AbstractExporter {
 
 
 	protected void writeLegacy(Activity activity) throws Exception {
-		if (
-			Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-			&& activity.checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED
-		) {
-			activity.requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 0);
+		Permissions permissions = new Permissions(activity);
+		if (permissions.noWriteStorage()) {
+			permissions.requestWriteStorage();
 		}
 
 		final String exportDir = Environment.getExternalStoragePublicDirectory(getOutputDir()).getAbsolutePath();

app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemDictionaryNotifications.java

@@ -0,0 +1,53 @@
+package io.github.sspanak.tt9.preferences.screens.languages;
+
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreferenceCompat;
+
+import io.github.sspanak.tt9.preferences.PreferencesActivity;
+import io.github.sspanak.tt9.util.Permissions;
+
+public class ItemDictionaryNotifications {
+	public static final String NAME = "dictionary_notifications";
+
+	private final SwitchPreferenceCompat item;
+	private final Permissions permissions;
+
+
+	public ItemDictionaryNotifications(SwitchPreferenceCompat preference, PreferencesActivity activity) {
+		this.item = preference;
+		this.permissions = new Permissions(activity);
+	}
+
+
+	public ItemDictionaryNotifications populate() {
+		if (item == null) {
+			return this;
+		}
+
+		boolean noPermission = permissions.noPostNotifications();
+		item.setVisible(noPermission);
+		((SwitchPreferenceCompat) item).setChecked(!noPermission);
+
+		return this;
+	}
+
+
+	public ItemDictionaryNotifications enableClickHandler() {
+		if (item != null) {
+			item.setOnPreferenceChangeListener(this::onClick);
+		}
+
+		return this;
+	}
+
+
+	protected boolean onClick(Preference p, Object value) {
+		if (value == Boolean.TRUE || permissions.noPostNotifications()) {
+			permissions.requestPostNotifications();
+		}
+
+		// Switch off the component on user refusal. Android will not allow permission request again.
+		item.setEnabled(false);
+		return !permissions.noPostNotifications();
+	}
+}

app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/LanguagesScreen.java

@@ -26,6 +26,7 @@ public class LanguagesScreen extends BaseScreenFragment {
 	@Override protected int getTitle() { return R.string.pref_choose_languages; }
 	@Override protected int getXml() { return R.xml.prefs_screen_languages; }
 
+
 	@Override
 	protected void onCreate() {
 		ItemSelectLanguage multiSelect = new ItemSelectLanguage(
@@ -34,6 +35,10 @@ public class LanguagesScreen extends BaseScreenFragment {
 		);
 		multiSelect.populate().enableValidation();
 
+		new ItemDictionaryNotifications(findPreference(ItemDictionaryNotifications.NAME), activity)
+			.populate()
+			.enableClickHandler();
+
 		loadItem = new ItemLoadDictionary(findPreference(ItemLoadDictionary.NAME),
 			activity,
 			() -> ItemClickable.disableOthers(clickables, loadItem),
@@ -77,6 +82,7 @@ public class LanguagesScreen extends BaseScreenFragment {
 		refreshItems();
 	}
 
+
 	@Override
 	public void onResume() {
 		super.onResume();

app/src/main/java/io/github/sspanak/tt9/util/Permissions.java

@@ -0,0 +1,51 @@
+package io.github.sspanak.tt9.util;
+
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.pm.PackageManager;
+import android.os.Build;
+
+public class Permissions {
+	private final Activity activity;
+
+	public Permissions(Activity activity) {
+		this.activity = activity;
+	}
+
+	public boolean noPostNotifications() {
+		return
+			Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU
+			&& activity.shouldShowRequestPermissionRationale(Manifest.permission.POST_NOTIFICATIONS);
+	}
+
+	public void requestPostNotifications() {
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+			requestPermission(Manifest.permission.POST_NOTIFICATIONS);
+		}
+	}
+
+	public boolean noWriteStorage() {
+		return
+			Build.VERSION.SDK_INT < Build.VERSION_CODES.R
+			&& isRefused(Manifest.permission.WRITE_EXTERNAL_STORAGE);
+	}
+
+	public void requestWriteStorage() {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+			requestPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
+		}
+	}
+
+	private void requestPermission(String permission) {
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+			activity.requestPermissions(new String[] { permission }, 0);
+		}
+	}
+
+	private boolean isRefused(String permission) {
+		return
+			Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+			&& activity.checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED;
+	}
+}

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

@@ -64,6 +64,8 @@
 	<string name="function_add_word_key">Добавяне на нова дума</string>
 	<string name="function_backspace_key">Триене на текст</string>
 	<string name="function_change_keyboard_key">Избор на клавиатура</string>
+	<string name="dictionary_no_notifications">Речникови известия</string>
+	<string name="dictionary_no_notifications_summary">Получавайте известия за обновления на речника и за прогреса при зареждане.</string>
 	<string name="function_filter_clear_key">Изчистване на филтър</string>
 	<string name="function_filter_suggestions_key">Филтриране на думи</string>
 	<string name="function_previous_suggestion_key">Предишна дума</string>

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

@@ -101,4 +101,6 @@
 	<string name="dictionary_export_generating_csv">CSV wird exportiert…</string>
 	<string name="dictionary_export_generating_csv_for_language">CSV wird exportiert (%1$s)…</string>
 	<string name="pref_layout">Layout auf dem Bildschirm</string>
+	<string name="dictionary_no_notifications">Wörterbuchbenachrichtigungen</string>
+	<string name="dictionary_no_notifications_summary">Benachrichtigen über Wörterbuchaktualisierungen und den Ladevorgang.</string>
 </resources>

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

@@ -71,6 +71,8 @@
 	<string name="pref_category_setup">Configuración inicial</string>
 	<string name="error">Error</string>
 	<string name="function_change_keyboard_key">Cambiar el teclado</string>
+	<string name="dictionary_no_notifications">Notificaciones del diccionario</string>
+	<string name="dictionary_no_notifications_summary">Recibir notificaciones sobre actualizaciones del diccionario y sobre el progreso de la carga.</string>
 	<string name="function_filter_clear_key">Limpiar el filtro</string>
 	<string name="function_filter_suggestions_key">Filtrar sugerencias</string>
 	<string name="function_previous_suggestion_key">Sugerencia previa</string>

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

@@ -62,6 +62,8 @@
 	<string name="function_add_word_key">Ajouter un mot</string>
 	<string name="function_backspace_key">Retour arrière</string>
 	<string name="function_change_keyboard_key">Changer le clavier</string>
+	<string name="dictionary_no_notifications">Notifications du dictionnaire</string>
+	<string name="dictionary_no_notifications_summary">Recevoir des notifications sur les mises à jour du dictionnaire et sur la progression du chargement.</string>
 	<string name="function_filter_clear_key">Supprimer le filtre</string>
 	<string name="function_filter_suggestions_key">Filtrer les mots</string>
 	<string name="function_previous_suggestion_key">Mot précédent</string>

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

@@ -103,5 +103,7 @@
 	<string name="dictionary_export_generating_csv">CSV in corso…</string>
 	<string name="dictionary_export_generating_csv_for_language">CSV in corso (%1$s)…</string>
 	<string name="pref_layout">Layout sullo schermo</string>
+	<string name="dictionary_no_notifications">Notifiche del dizionario</string>
+	<string name="dictionary_no_notifications_summary">Ricevere notifiche sugli aggiornamenti del dizionario e sul progresso del caricamento.</string>
 </resources>
 

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

@@ -118,4 +118,6 @@
 	<string name="dictionary_export_generating_csv">מייצא CSV…</string>
 	<string name="dictionary_export_generating_csv_for_language">מייצא CSV (%1$s)…</string>
 	<string name="pref_layout">תצורת המקלדת על המסך</string>
+	<string name="dictionary_no_notifications">התראות מילון</string>
+	<string name="dictionary_no_notifications_summary">לקבל התראות על עדכוני המילון ועל התקדמות הטעינה.</string>
 </resources>

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

@@ -74,6 +74,8 @@
 	<string name="function_add_word_key">Pridėti žodį</string>
 	<string name="function_backspace_key">Trinti</string>
 	<string name="function_change_keyboard_key">Keisti klaviatūrą</string>
+	<string name="dictionary_no_notifications">Žodyno pranešimai</string>
+	<string name="dictionary_no_notifications_summary">Gaukite pranešimus apie žodynų atnaujinimus ir įkėlimo progresą.</string>
 	<string name="function_filter_clear_key">Panaikinti filtrą</string>
 	<string name="function_filter_suggestions_key">Filtruoti pasiūlymus</string>
 	<string name="function_previous_suggestion_key">Ankstesnis pasiūlytas žodis</string>

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

@@ -99,4 +99,6 @@
 	<string name="dictionary_export_generating_csv">CSV exporteren…</string>
 	<string name="dictionary_export_generating_csv_for_language">CSV exporteren (%1$s)…</string>
 	<string name="pref_layout">Indeling op het scherm</string>
+	<string name="dictionary_no_notifications">Woordenboekmeldingen</string>
+	<string name="dictionary_no_notifications_summary">Ontvang meldingen over woordenboekupdates en de voortgang van het laden.</string>
 </resources>

app/src/main/res/values-pt-rBR/strings.xml

@@ -120,4 +120,6 @@
 	<string name="dictionary_export_generating_csv">Exportando CSV…</string>
 	<string name="dictionary_export_generating_csv_for_language">Exportando CSV (%1$s)…</string>
 	<string name="pref_layout">Layout na tela</string>
+	<string name="dictionary_no_notifications">Notificações do dicionário</string>
+	<string name="dictionary_no_notifications_summary">Receber notificações sobre atualizações do dicionário e sobre o progresso do carregamento.</string>
 </resources>

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

@@ -63,6 +63,8 @@
 	<string name="function_add_word_key">Добавить новое слово</string>
 	<string name="function_backspace_key">Стереть</string>
 	<string name="function_change_keyboard_key">Выбор клавиатуры</string>
+	<string name="dictionary_no_notifications">Уведомления словаря</string>
+	<string name="dictionary_no_notifications_summary">Получать уведомления о обновлениях словаря и о процессе загрузки.</string>
 	<string name="function_filter_clear_key">Удалить фильтр</string>
 	<string name="function_filter_suggestions_key">Фильтровать слова</string>
 	<string name="function_previous_suggestion_key">Предыдущее слово</string>

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

@@ -99,6 +99,8 @@
 	<string name="function_add_word_key">Додати слово</string>
 	<string name="function_backspace_key">Стерти</string>
 	<string name="function_change_keyboard_key">Змінити клавіатуру</string>
+	<string name="dictionary_no_notifications">Сповіщення словника</string>
+	<string name="dictionary_no_notifications_summary">Отримувати повідомлення про оновлення словника та процес завантаження.</string>
 	<string name="function_filter_clear_key">Очистити фільтр</string>
 	<string name="function_filter_suggestions_key">Фільтрувати пропозиції</string>
 	<string name="function_previous_suggestion_key">Попередня пропозиція</string>

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

@@ -79,6 +79,8 @@
 	<string name="dictionary_loading_please_wait">Please wait for the dictionary to load.</string>
 	<string name="dictionary_load_title">Load Selected</string>
 	<string name="dictionary_not_found">Loading failed. Dictionary for \"%1$s\" not found.</string>
+	<string name="dictionary_no_notifications">Dictionary Notifications</string>
+	<string name="dictionary_no_notifications_summary">Get notified about dictionary updates and see the loading progress.</string>
 	<string name="dictionary_truncate_title">Delete All</string>
 	<string name="dictionary_truncate_unselected">Delete Unselected</string>
 	<string name="dictionary_truncated">Dictionary deleted successfully.</string>

app/src/main/res/xml/prefs_screen_languages.xml

@@ -6,6 +6,13 @@
 		app:layout="@layout/pref_text"
 		app:title="@string/pref_choose_languages" />
 
+	<SwitchPreferenceCompat
+		app:isPreferenceVisible="false"
+		app:key="dictionary_notifications"
+		app:layout="@layout/pref_switch"
+		app:title="@string/dictionary_no_notifications"
+		app:summary="@string/dictionary_no_notifications_summary"/>
+
 	<Preference
 		app:key="dictionary_load"
 		app:layout="@layout/pref_text"