added a new screen, in the Settings, for deleting added words

app/src/main/java/io/github/sspanak/tt9/db/DictionaryLoader.java

@@ -170,8 +170,8 @@ public class DictionaryLoader {
 			logLoadingStep("Indexes dropped", language, start);
 
 			start = System.currentTimeMillis();
-			DeleteOps.delete(sqlite, language.getId());
-			DeleteOps.delete(sqlite, new EmojiLanguage().getId());
+			DeleteOps.delete(sqlite.getDb(), language.getId());
+			DeleteOps.delete(sqlite.getDb(), new EmojiLanguage().getId());
 			sendProgressMessage(language, ++progress, SettingsStore.DICTIONARY_IMPORT_PROGRESS_UPDATE_TIME);
 			logLoadingStep("Storage cleared", language, start);
 

app/src/main/java/io/github/sspanak/tt9/db/WordStore.java

@@ -62,7 +62,7 @@ public class WordStore {
 			return new ArrayList<>();
 		}
 
-		if (sequence == null || sequence.length() == 0) {
+		if (sequence == null || sequence.isEmpty()) {
 			Logger.w(LOG_TAG, "Attempting to get words for an empty sequence.");
 			return new ArrayList<>();
 		}
@@ -91,6 +91,11 @@ public class WordStore {
 	}
 
 
+	@NonNull public ArrayList<String> getSimilarCustom(Language language, String wordFilter) {
+		return language != null && checkOrNotify() ? readOps.getCustomWords(sqlite.getDb(), language, wordFilter) : new ArrayList<>();
+	}
+
+
 	@NonNull public String getLanguageFileHash(Language language) {
 		return language != null && checkOrNotify() ? readOps.getLanguageFileHash(sqlite.getDb(), language.getId()) : "";
 	}
@@ -111,7 +116,7 @@ public class WordStore {
 			sqlite.beginTransaction();
 			for (int langId : languageIds) {
 				if (readOps.exists(sqlite.getDb(), langId)) {
-					DeleteOps.delete(sqlite, langId);
+					DeleteOps.delete(sqlite.getDb(), langId);
 				}
 			}
 			sqlite.finishTransaction();
@@ -124,6 +129,23 @@ public class WordStore {
 	}
 
 
+	public void removeCustomWord(Language language, String word) {
+		if (language == null || !checkOrNotify()) {
+			return;
+		}
+
+		try {
+			sqlite.beginTransaction();
+			DeleteOps.deleteCustomWord(sqlite.getDb(), language.getId(), word);
+			sqlite.finishTransaction();
+		} catch (Exception e) {
+			sqlite.failTransaction();
+			Logger.e(LOG_TAG, "Failed deleting custom word: '" + word + "' for language: " + language.getId() + ". " + e.getMessage());
+		}
+	}
+
+
+
 	public int put(Language language, String word) {
 		if (word == null || word.isEmpty()) {
 			return AddWordDialog.CODE_BLANK_WORD;

app/src/main/java/io/github/sspanak/tt9/db/WordStoreAsync.java

@@ -35,15 +35,19 @@ public class WordStoreAsync {
 	}
 
 
-	public static void areThereWords(ConsumerCompat<Boolean> notification, Language language) {
-		new Thread(() -> notification.accept(getStore().exists(language))).start();
-	}
-
 	public static void getLastLanguageUpdateTime(ConsumerCompat<String> notification, Language language) {
 		new Thread(() -> notification.accept(getStore().getLanguageFileHash(language))).start();
 	}
 
 
+	public static void deleteCustomWord(Runnable notification, Language language, String word) {
+		new Thread(() -> {
+			getStore().removeCustomWord(language, word);
+			notification.run();
+		}).start();
+	}
+
+
 	public static void deleteWords(Runnable notification, @NonNull ArrayList<Integer> languageIds) {
 		new Thread(() -> {
 			getStore().remove(languageIds);
@@ -67,4 +71,11 @@ public class WordStoreAsync {
 			getStore().getSimilar(language, sequence, filter, minWords, maxWords)))
 		).start();
 	}
+
+
+	public static void getCustomWords(ConsumerCompat<ArrayList<String>> dataHandler, Language language, String wordFilter) {
+		new Thread(() -> asyncHandler.post(() -> dataHandler.accept(
+			getStore().getSimilarCustom(language, wordFilter)))
+		).start();
+	}
 }

app/src/main/java/io/github/sspanak/tt9/db/sqlite/DeleteOps.java

@@ -1,10 +1,17 @@
 package io.github.sspanak.tt9.db.sqlite;
 
+import android.database.sqlite.SQLiteDatabase;
+
 import androidx.annotation.NonNull;
 
 public class DeleteOps {
-	public static void delete(@NonNull SQLiteOpener sqlite, int languageId) {
-		sqlite.getDb().delete(Tables.getWords(languageId), null, null);
-		sqlite.getDb().delete(Tables.getWordPositions(languageId), null, null);
+	public static void delete(@NonNull SQLiteDatabase db, int languageId) {
+		db.delete(Tables.getWords(languageId), null, null);
+		db.delete(Tables.getWordPositions(languageId), null, null);
+	}
+
+	public static void deleteCustomWord(@NonNull SQLiteDatabase db, int languageId, String word) {
+		db.delete(Tables.getWords(languageId), "word = ?", new String[] { word });
+		db.delete(Tables.CUSTOM_WORDS, "word = ?", new String[] { word });
 	}
 }

app/src/main/java/io/github/sspanak/tt9/db/sqlite/ReadOps.java

@@ -7,10 +7,13 @@ import android.database.sqlite.SQLiteStatement;
 
 import androidx.annotation.NonNull;
 
+import java.util.ArrayList;
+
 import io.github.sspanak.tt9.Logger;
 import io.github.sspanak.tt9.db.SlowQueryStats;
 import io.github.sspanak.tt9.db.entities.WordList;
 import io.github.sspanak.tt9.db.entities.WordPositionsStringBuilder;
+import io.github.sspanak.tt9.languages.EmojiLanguage;
 import io.github.sspanak.tt9.languages.Language;
 
 public class ReadOps {
@@ -62,6 +65,27 @@ public class ReadOps {
 	}
 
 
+	public ArrayList<String> getCustomWords(@NonNull SQLiteDatabase db, @NonNull Language language, @NonNull String wordFilter) {
+		ArrayList<String> words = new ArrayList<>();
+
+		String[] select = new String[]{"word"};
+		String where = "word LIKE ? AND (langId = ? OR langId = ?)";
+		String[] whereArgs = new String[] {
+			wordFilter + "%",
+			String.valueOf(language.getId()),
+			String.valueOf(new EmojiLanguage().getId())
+		};
+
+		try (Cursor cursor = db.query(Tables.CUSTOM_WORDS, select, where, whereArgs, null, null, "word")) {
+			while (cursor.moveToNext()) {
+				words.add(cursor.getString(0));
+			}
+		}
+
+		return words;
+	}
+
+
 	/**
 	 * Gets all words as a ready-to-export CSV string. If the language is null or customWords is true,
 	 * only custom words are returned.

app/src/main/java/io/github/sspanak/tt9/preferences/PreferencesActivity.java

@@ -25,6 +25,7 @@ import io.github.sspanak.tt9.preferences.screens.MainSettingsScreen;
 import io.github.sspanak.tt9.preferences.screens.UsageStatsScreen;
 import io.github.sspanak.tt9.preferences.screens.appearance.AppearanceScreen;
 import io.github.sspanak.tt9.preferences.screens.debug.DebugScreen;
+import io.github.sspanak.tt9.preferences.screens.deleteWords.DeleteWordsScreen;
 import io.github.sspanak.tt9.preferences.screens.hotkeys.HotkeysScreen;
 import io.github.sspanak.tt9.preferences.screens.keypad.KeyPadScreen;
 import io.github.sspanak.tt9.preferences.screens.languages.LanguagesScreen;
@@ -110,6 +111,8 @@ public class PreferencesActivity extends AppCompatActivity implements Preference
 				return new AppearanceScreen(this);
 			case DebugScreen.NAME:
 				return new DebugScreen(this);
+			case DeleteWordsScreen.NAME:
+				return new DeleteWordsScreen(this);
 			case HotkeysScreen.NAME:
 				return new HotkeysScreen(this);
 			case KeyPadScreen.NAME:

app/src/main/java/io/github/sspanak/tt9/preferences/SettingsStore.java

@@ -278,6 +278,7 @@ public class SettingsStore {
 		}
 	}
 
+	public final static int DELETE_WORDS_SEARCH_DELAY = 500; // ms
 	public final static int DICTIONARY_AUTO_LOAD_COOLDOWN_TIME = 120000; // ms
 	public final static int DICTIONARY_IMPORT_BATCH_SIZE = 5000; // words
 	public final static int DICTIONARY_IMPORT_PROGRESS_UPDATE_TIME = 250; // ms
@@ -286,7 +287,6 @@ public class SettingsStore {
 	public final static float SOFT_KEY_COMPLEX_LABEL_TITLE_SIZE = 0.55f;
 	public final static float SOFT_KEY_COMPLEX_LABEL_ARABIC_TITLE_SIZE = 0.72f;
 	public final static float SOFT_KEY_COMPLEX_LABEL_SUB_TITLE_SIZE = 0.8f;
-
 	public final static int SUGGESTIONS_MAX = 20;
 	public final static int SUGGESTIONS_MIN = 8;
 	public final static int SUGGESTIONS_SELECT_ANIMATION_DURATION = 66;

app/src/main/java/io/github/sspanak/tt9/preferences/screens/deleteWords/DeletableWordsList.java

@@ -0,0 +1,58 @@
+package io.github.sspanak.tt9.preferences.screens.deleteWords;
+
+import androidx.annotation.NonNull;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+
+import java.util.ArrayList;
+
+import io.github.sspanak.tt9.R;
+
+class DeletableWordsList {
+	static final String NAME = "delete_words_list";
+
+	private final PreferenceCategory item;
+
+	DeletableWordsList(Preference preference) {
+		item = preference instanceof PreferenceCategory ? (PreferenceCategory) preference : null;
+	}
+
+	private void clear() {
+		if (item != null) {
+			item.removeAll();
+		}
+	}
+
+	private void addWord(String word) {
+		if (item != null) {
+			PreferenceDeletableWord pref = new PreferenceDeletableWord(item.getContext());
+			pref.setWord(word);
+			pref.setLayoutResource(R.layout.pref_deletable_word);
+			item.addPreference(pref);
+		}
+	}
+
+	void addWords(ArrayList<String> words) {
+		for (String word : words) {
+			addWord(word);
+		}
+	}
+
+	void addNoResult(boolean noSearchTerm) {
+		if (item != null) {
+			Preference pref = new Preference(item.getContext());
+			pref.setSummary(noSearchTerm ? "--" : item.getContext().getString(R.string.delete_words_no_result));
+			pref.setLayoutResource(R.layout.pref_text);
+			item.addPreference(pref);
+		}
+	}
+
+	void setResult(@NonNull String searchTerm, ArrayList<String> words) {
+		clear();
+		if (words == null || words.isEmpty()) {
+			addNoResult(searchTerm.isEmpty());
+		} else {
+			addWords(words);
+		}
+	}
+}

app/src/main/java/io/github/sspanak/tt9/preferences/screens/deleteWords/DeleteWordsScreen.java

@@ -0,0 +1,30 @@
+package io.github.sspanak.tt9.preferences.screens.deleteWords;
+
+import io.github.sspanak.tt9.R;
+import io.github.sspanak.tt9.preferences.PreferencesActivity;
+import io.github.sspanak.tt9.preferences.screens.BaseScreenFragment;
+
+public class DeleteWordsScreen extends BaseScreenFragment {
+	final public static String NAME = "DeleteWords";
+
+	public DeleteWordsScreen() { init(); }
+	public DeleteWordsScreen(PreferencesActivity activity) { init(activity); }
+
+	@Override public String getName() { return NAME; }
+	@Override protected int getTitle() { return R.string.pref_category_delete_words; }
+	@Override protected int getXml() { return R.xml.prefs_screen_delete_words; }
+
+	@Override protected void onCreate() {
+		createPage();
+	}
+
+	private void createPage() {
+		DeletableWordsList searchResultsList = new DeletableWordsList(findPreference(DeletableWordsList.NAME));
+		searchResultsList.setResult("", null);
+
+		PreferenceSearchWords searchWords = findPreference(PreferenceSearchWords.NAME);
+		if (searchWords != null) {
+			searchWords.setOnWordsHandler((words) -> searchResultsList.setResult(searchWords.getLastSearchTerm(), words));
+		}
+	}
+}

app/src/main/java/io/github/sspanak/tt9/preferences/screens/deleteWords/PreferenceDeletableWord.java

@@ -0,0 +1,72 @@
+package io.github.sspanak.tt9.preferences.screens.deleteWords;
+
+import android.app.Activity;
+import android.content.Context;
+import android.util.AttributeSet;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceViewHolder;
+
+import io.github.sspanak.tt9.R;
+import io.github.sspanak.tt9.db.WordStoreAsync;
+import io.github.sspanak.tt9.languages.LanguageCollection;
+import io.github.sspanak.tt9.preferences.SettingsStore;
+import io.github.sspanak.tt9.ui.UI;
+
+public class PreferenceDeletableWord extends Preference {
+	private String word;
+
+
+	public PreferenceDeletableWord(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); }
+	public PreferenceDeletableWord(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); }
+	public PreferenceDeletableWord(@NonNull Context context, @Nullable AttributeSet attrs) { super(context, attrs); }
+	public PreferenceDeletableWord(@NonNull Context context) { super(context); }
+
+
+	public void setWord(String word) {
+		this.word = word;
+		setTitle(word);
+	}
+
+
+	@Override
+	protected void onClick() {
+		super.onClick();
+
+		Context context = getContext();
+
+		UI.confirm(
+			context,
+			context.getString(R.string.delete_words_deleted_confirm_deletion_title),
+			context.getString(R.string.delete_words_deleted_confirm_deletion_question, word),
+			context.getString(R.string.delete_words_deleted_confirm_deletion_yes),
+			this::onDeletionConfirmed,
+			null
+		);
+	}
+
+
+	private void onDeletionConfirmed() {
+		SettingsStore settings = new SettingsStore(getContext());
+		WordStoreAsync.deleteCustomWord(
+			this::onWordDeleted,
+			LanguageCollection.getLanguage(getContext(), settings.getInputLanguage()),
+			word
+		);
+	}
+
+
+	private void onWordDeleted() {
+		if (getParent() instanceof PreferenceCategory) {
+			getParent().removePreference(this);
+		}
+
+		Activity activity = (Activity) getContext();
+		activity.runOnUiThread(
+			() -> UI.toastFromAsync(getContext(), activity.getString(R.string.delete_words_deleted_x, word))
+		);
+	}
+}

app/src/main/java/io/github/sspanak/tt9/preferences/screens/deleteWords/PreferenceSearchWords.java

@@ -0,0 +1,81 @@
+package io.github.sspanak.tt9.preferences.screens.deleteWords;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.EditText;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceViewHolder;
+
+import java.util.ArrayList;
+
+import io.github.sspanak.tt9.ConsumerCompat;
+import io.github.sspanak.tt9.Logger;
+import io.github.sspanak.tt9.R;
+import io.github.sspanak.tt9.db.WordStoreAsync;
+import io.github.sspanak.tt9.languages.Language;
+import io.github.sspanak.tt9.languages.LanguageCollection;
+import io.github.sspanak.tt9.preferences.SettingsStore;
+
+public class PreferenceSearchWords extends Preference {
+	public static final String NAME = "dictionary_delete_words_search";
+	private static final String LOG_TAG = PreferenceSearchWords.class.getSimpleName();
+
+	private ConsumerCompat<ArrayList<String>> onWords;
+	private SettingsStore settings;
+	@NonNull private String lastSearchTerm = "";
+
+
+	public PreferenceSearchWords(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); }
+	public PreferenceSearchWords(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); }
+	public PreferenceSearchWords(@NonNull Context context, @Nullable AttributeSet attrs) { super(context, attrs); }
+	public PreferenceSearchWords(@NonNull Context context) { super(context); }
+
+
+	@Override
+	public void onBindViewHolder(@NonNull PreferenceViewHolder holder) {
+		super.onBindViewHolder(holder);
+		EditText editText = holder.itemView.findViewById(R.id.input_text_input_field);
+		if (editText == null) {
+			Logger.e(LOG_TAG, "Cannot attach a text change listener. Unable to find the EditText element.");
+		} else {
+			editText.addTextChangedListener(TextChangeListener.getInstance(this::onChange));
+		}
+	}
+
+
+	@NonNull
+	public String getLastSearchTerm() {
+		return lastSearchTerm;
+	}
+
+	private SettingsStore getSettings() {
+		if (settings == null) {
+			settings = new SettingsStore(getContext());
+		}
+
+		return settings;
+	}
+
+
+	private void onChange(String word) {
+		lastSearchTerm = word == null || word.trim().isEmpty() ? "" : word.trim();
+
+		if (onWords == null) {
+			Logger.w(LOG_TAG, "No handler set for the word change event.");
+		} else if (lastSearchTerm.isEmpty()) {
+			Logger.d(LOG_TAG, "Not searching for an empty word.");
+			onWords.accept(null);
+		} else {
+			Language currentLanguage = LanguageCollection.getLanguage(getContext(), getSettings().getInputLanguage());
+			WordStoreAsync.getCustomWords(onWords, currentLanguage, lastSearchTerm);
+		}
+	}
+
+
+	void setOnWordsHandler(ConsumerCompat<ArrayList<String>> onWords) {
+		this.onWords = onWords;
+	}
+}

app/src/main/java/io/github/sspanak/tt9/preferences/screens/deleteWords/TextChangeListener.java

@@ -0,0 +1,39 @@
+package io.github.sspanak.tt9.preferences.screens.deleteWords;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.text.Editable;
+import android.text.TextWatcher;
+
+import androidx.annotation.NonNull;
+
+import io.github.sspanak.tt9.ConsumerCompat;
+import io.github.sspanak.tt9.preferences.SettingsStore;
+
+class TextChangeListener implements TextWatcher {
+	private static TextChangeListener self;
+
+	@NonNull private ConsumerCompat<String> onChange;
+	@NonNull private final Handler debouncer = new Handler(Looper.getMainLooper());
+
+	private TextChangeListener(@NonNull ConsumerCompat<String> onChange) {
+		this.onChange = onChange;
+	}
+
+	static TextChangeListener getInstance(@NonNull ConsumerCompat<String> onChange) {
+		if (self == null) {
+			self = new TextChangeListener(onChange);
+		}
+
+		self.onChange = onChange;
+		return self;
+	}
+
+	@Override public void afterTextChanged(Editable s) {
+		debouncer.removeCallbacksAndMessages(null);
+		debouncer.postDelayed(() -> onChange.accept(s.toString()), SettingsStore.DELETE_WORDS_SEARCH_DELAY);
+	}
+
+	@Override public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
+	@Override public void onTextChanged(CharSequence s, int start, int before, int count) {}
+}

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

@@ -0,0 +1,11 @@
+package io.github.sspanak.tt9.preferences.screens.languages;
+
+import androidx.preference.Preference;
+
+import io.github.sspanak.tt9.preferences.items.ItemClickable;
+
+class ItemDeleteCustomWords extends ItemClickable {
+	final static String NAME = "screen_delete_words";
+	ItemDeleteCustomWords(Preference item) { super(item); }
+	@Override protected boolean onClick(Preference p) { return false; }
+}

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

@@ -39,8 +39,6 @@ class ItemLoadDictionary extends ItemClickable {
 		this.onStart = onStart;
 		this.onFinish = onFinish;
 
-
-		loader.setOnStatusChange(this::onLoadingStatusChange);
 		refreshStatus();
 	}
 
@@ -85,6 +83,7 @@ class ItemLoadDictionary extends ItemClickable {
 
 
 	private void setLoadingStatus() {
+		loader.setOnStatusChange(this::onLoadingStatusChange);
 		onStart.run();
 		item.setTitle(context.getString(R.string.dictionary_cancel_load));
 	}

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

@@ -67,6 +67,8 @@ public class LanguagesScreen extends BaseScreenFragment {
 			this::onActionFinish
 		));
 
+		clickables.add(new ItemDeleteCustomWords(findPreference(ItemDeleteCustomWords.NAME)));
+
 		exportCustomWordsItem = new ItemExportCustomWords(
 			findPreference(ItemExportCustomWords.NAME),
 			activity,

app/src/main/res/layout/pref_deletable_word.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:orientation="horizontal"
+	android:paddingHorizontal="@dimen/pref_padding_horizontal"
+	android:paddingVertical="@dimen/pref_padding_vertical"
+	app:layout_anchorGravity="center_horizontal">
+
+	<TextView
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:paddingEnd="15dp"
+		android:text="✕"
+		android:textAppearance="@android:style/TextAppearance.DeviceDefault.Widget.TextView"
+		android:textSize="@dimen/soft_key_icon_size"
+		tools:ignore="HardcodedText" />
+
+	<TextView
+		android:id="@android:id/title"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:textAppearance="@android:style/TextAppearance.DeviceDefault.Widget.TextView"
+		android:textSize="@dimen/pref_text_size"
+		tools:text="Lorem" />
+</LinearLayout>

app/src/main/res/layout/pref_input_text.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	android:descendantFocusability="afterDescendants"
+	android:orientation="vertical"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:paddingHorizontal="@dimen/pref_padding_horizontal"
+	android:paddingVertical="@dimen/pref_padding_vertical">
+
+	<TextView
+		android:id="@android:id/title"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:labelFor="@id/input_text_input_field"
+		android:text="?android:title" />
+
+	<EditText
+		android:id="@+id/input_text_input_field"
+		android:importantForAutofill="no"
+		android:inputType="text"
+		android:focusable="true"
+		android:focusableInTouchMode="true"
+		android:layout_height="wrap_content"
+		android:layout_width="match_parent"
+		android:textSize="@dimen/pref_text_size" />
+
+	<TextView android:id="@android:id/summary"
+		android:layout_height="wrap_content"
+		android:layout_width="wrap_content"
+		android:textAppearance="@style/TextAppearance.AppCompat.Caption"
+		android:textSize="@dimen/pref_summary_size" />
+
+</LinearLayout>

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

@@ -35,7 +35,7 @@
 	<string name="key_back">Назад</string>
 	<string name="key_call">Зелена слушалка</string>
 	<string name="dictionary_export">Експортирай избраните</string>
-	<string name="dictionary_export_custom_words_button">Експортирай</string>
+	<string name="dictionary_export_custom_words">Експортирай</string>
 	<string name="dictionary_export_custom_words_summary">Експортиране на CSV с всички добавени думи в: „%1$s“.</string>
 	<string name="dictionary_export_failed">Неуспешно експортиране</string>
 	<string name="dictionary_export_failed_more_info">За повече информация, активирайте режима за отстраняване на грешки и прегледайте журнала.</string>

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

@@ -32,7 +32,7 @@
 	<string name="pref_dark_theme_no">Nein</string>
 	<string name="pref_dark_theme_auto">Automatisch</string>
 	<string name="dictionary_export">Ausgewählte exportieren</string>
-	<string name="dictionary_export_custom_words_button">Exportieren</string>
+	<string name="dictionary_export_custom_words">Exportieren</string>
 	<string name="dictionary_export_custom_words_summary">Exportiere ein CSV mit allen hinzugefügten Wörtern nach: „%1$s“.</string>
 	<string name="dictionary_export_failed">Export fehlgeschlagen</string>
 	<string name="dictionary_export_failed_more_info">Für weitere Informationen, aktivieren Sie den Debug-Modus und sehen Sie sich die Protokolle an.</string>

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

@@ -75,7 +75,7 @@
 	<string name="pref_dark_theme_no">No</string>
 	<string name="pref_dark_theme_auto">Automática</string>
 	<string name="dictionary_export">Exportar seleccionados</string>
-	<string name="dictionary_export_custom_words_button">Exportar</string>
+	<string name="dictionary_export_custom_words">Exportar</string>
 	<string name="dictionary_export_custom_words_summary">Exportar un CSV con todas las palabras añadidas a: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Fallo en la exportación</string>
 	<string name="dictionary_export_failed_more_info">Para obtener más información, habilita el modo de depuración y consulta los registros.</string>

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

@@ -75,7 +75,7 @@
 	<string name="pref_dark_theme_auto">Automatique</string>
 	<string name="add_word_confirm">Ajouter mot « %1$s » à %2$s?</string>
 	<string name="dictionary_export">Exporter les sélectionées</string>
-	<string name="dictionary_export_custom_words_button">Exporter</string>
+	<string name="dictionary_export_custom_words">Exporter</string>
 	<string name="dictionary_export_custom_words_summary">Exporter un CSV avec tous les mots ajoutés vers : «%1$s».</string>
 	<string name="dictionary_export_failed">Échec de l\'exportation</string>
 	<string name="dictionary_export_failed_more_info">Pour plus d\'informations, activez le mode de débogage et consultez les journaux.</string>

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

@@ -41,7 +41,7 @@
 	<string name="pref_dark_theme_no">No</string>
 	<string name="pref_dark_theme_auto">Automatica</string>
 	<string name="dictionary_export">Esporta selezionate</string>
-	<string name="dictionary_export_custom_words_button">Esportare</string>
+	<string name="dictionary_export_custom_words">Esportare</string>
 	<string name="dictionary_export_custom_words_summary">Esporta un CSV con tutte le parole aggiunte su: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Esportazione fallita</string>
 	<string name="dictionary_export_failed_more_info">Per ulteriori informazioni, abilita la modalità di debug e consulta i log.</string>

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

@@ -68,7 +68,7 @@
 	<string name="pref_dark_theme_no">לא</string>
 	<string name="pref_dark_theme_auto">אוטומטי</string>
 	<string name="dictionary_export">ייצוא שנבחר</string>
-	<string name="dictionary_export_custom_words_button">לְיְצוֹא</string>
+	<string name="dictionary_export_custom_words">לְיְצוֹא</string>
 	<string name="dictionary_export_custom_words_summary">ייצוא CSV עם כל המילים שנוספו ל: \"%1$s\".</string>
 	<string name="dictionary_export_failed">נכשל בייצוא</string>
 	<string name="dictionary_export_failed_more_info">"למידע נוסף, הפעל מצב איתור באגים וראה את הלוגים. "</string>

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

@@ -32,7 +32,7 @@
 	<string name="pref_dark_theme_no">Nee</string>
 	<string name="pref_dark_theme_auto">Automatisch</string>
 	<string name="dictionary_export">Geselecteerde exporteren</string>
-	<string name="dictionary_export_custom_words_button">Exporteren</string>
+	<string name="dictionary_export_custom_words">Exporteren</string>
 	<string name="dictionary_export_custom_words_summary">Exporteer een CSV met alle toegevoegde woorden naar: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Exporteren mislukt</string>
 	<string name="dictionary_export_failed_more_info">Voor meer informatie, schakel de debug-modus in en bekijk de logs.</string>

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

@@ -64,7 +64,7 @@
 	<string name="pref_dark_theme_no">Não</string>
 	<string name="pref_dark_theme_auto">Automático</string>
 	<string name="dictionary_export">Exportar selecionados</string>
-	<string name="dictionary_export_custom_words_button">Exportar</string>
+	<string name="dictionary_export_custom_words">Exportar</string>
 	<string name="dictionary_export_custom_words_summary">Exportar um CSV com todas as palavras adicionadas para: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Falha na exportação</string>
 	<string name="dictionary_export_failed_more_info">Para mais informações, ative o modo de depuração e veja os registros.</string>

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

@@ -80,7 +80,7 @@
 	<string name="pref_dark_theme_auto">Автоматически</string>
 	<string name="add_word_confirm">Добавить слово «%1$s» в %2$s?</string>
 	<string name="dictionary_export">Экспортировать выбранные</string>
-	<string name="dictionary_export_custom_words_button">Экспортировать</string>
+	<string name="dictionary_export_custom_words">Экспортировать</string>
 	<string name="dictionary_export_custom_words_summary">Экспорт CSV со всеми добавленными словами в: «%1$s».</string>
 	<string name="dictionary_export_failed">Ошибка экспорта</string>
 	<string name="dictionary_export_failed_more_info">Для получения дополнительной информации включите режим отладки и просмотрите журналы.</string>

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

@@ -65,7 +65,7 @@
 	<string name="dictionary_truncating">Видаляється…</string>
 
 	<string name="dictionary_export">Експортувати вибрані</string>
-	<string name="dictionary_export_custom_words_button">Експортувати</string>
+	<string name="dictionary_export_custom_words">Експортувати</string>
 	<string name="dictionary_export_custom_words_summary">Експорт CSV з усіма доданими словами в: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Помилка експорту</string>
 	<string name="dictionary_export_failed_more_info">Для отримання додаткової інформації увімкніть режим відлагодження та перегляньте журнали.</string>

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

@@ -23,6 +23,7 @@
 	<string name="pref_category_about">About</string>
 	<string name="pref_category_abc_mode">ABC Mode</string>
 	<string name="pref_category_custom_words">Added Words</string>
+	<string name="pref_category_delete_words">Delete Added Words</string>
 	<string name="pref_category_hacks">Compatibility</string>
 	<string name="pref_category_appearance">Appearance</string>
 	<string name="pref_category_debug_options" translatable="false">Debug Options</string>
@@ -73,7 +74,7 @@
 	<string name="dictionary_truncating">Deleting…</string>
 
 	<string name="dictionary_export">Export Selected</string>
-	<string name="dictionary_export_custom_words_button">Export</string>
+	<string name="dictionary_export_custom_words">Export</string>
 	<string name="dictionary_export_custom_words_summary">Export a CSV with all added words in: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Exporting Failed</string>
 	<string name="dictionary_export_failed_more_info">For more info, enable debugging mode and see the logs.</string>
@@ -82,6 +83,16 @@
 	<string name="dictionary_export_generating_csv">Exporting CSV…</string>
 	<string name="dictionary_export_generating_csv_for_language">Exporting CSV (%1$s)…</string>
 
+	<string name="delete_words_link">Delete</string>
+	<string name="delete_words_link_summary">Search and delete misspelled or unneeded words.</string>
+	<string name="delete_words_search_placeholder">Search Words</string>
+	<string name="delete_words_list">Search Results</string>
+	<string name="delete_words_no_result">No results</string>
+	<string name="delete_words_deleted_confirm_deletion_title">Confirm Deletion</string>
+	<string name="delete_words_deleted_confirm_deletion_question">Are you sure you want to delete \"%1$s\"?</string>
+	<string name="delete_words_deleted_confirm_deletion_yes">Delete</string>
+	<string name="delete_words_deleted_x">\"%1$s\" was deleted.</string>
+
 	<string name="dictionary_update_message">Dictionary update available for \"%1$s\". Would you like to load it?</string>
 	<string name="dictionary_update_update">Load</string>
 

app/src/main/res/xml/prefs_screen_delete_words.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" android:orderingFromXml="true">
+
+	<io.github.sspanak.tt9.preferences.screens.deleteWords.PreferenceSearchWords
+		android:layout="@layout/pref_input_text"
+		android:key="dictionary_delete_words_search"
+		android:title="@string/delete_words_search_placeholder" />
+
+	<PreferenceCategory
+		android:key="delete_words_list"
+		android:title="@string/delete_words_list"
+		android:layout="@layout/pref_category" />
+</PreferenceScreen>

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

@@ -35,7 +35,14 @@
 		<Preference
 			app:key="dictionary_export_custom"
 			app:layout="@layout/pref_text"
-			app:title="@string/dictionary_export_custom_words_button" />
+			app:title="@string/dictionary_export_custom_words" />
+
+		<Preference
+			app:fragment="io.github.sspanak.tt9.preferences.DeleteWordsScreen"
+			app:key="screen_delete_words"
+			app:layout="@layout/pref_text"
+			app:title="@string/delete_words_link"
+			app:summary="@string/delete_words_link_summary"/>
 
 	</PreferenceCategory>