Added sub-categories and moved some settings to more appropriate categories

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/AdvancedSettingsFragment.java

@@ -57,15 +57,6 @@ public final class AdvancedSettingsFragment extends SubScreenFragment {
         if (!Settings.isInternal(prefs)) {
             removePreference(Settings.SCREEN_DEBUG);
         }
-
-        if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) {
-            removePreference(Settings.PREF_VIBRATION_DURATION_SETTINGS);
-        }
-
-        setupKeypressVibrationDurationSettings();
-        setupKeypressSoundVolumeSettings();
-        setupKeyLongpressTimeoutSettings();
-        refreshEnablingsOfKeypressSoundAndVibrationSettings();
     }
 
     @Override
@@ -73,154 +64,5 @@ public final class AdvancedSettingsFragment extends SubScreenFragment {
         if (key.equals(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) {
             SystemBroadcastReceiver.toggleAppIcon(getActivity());
         }
-        refreshEnablingsOfKeypressSoundAndVibrationSettings();
-    }
-
-    private void refreshEnablingsOfKeypressSoundAndVibrationSettings() {
-        final SharedPreferences prefs = getSharedPreferences();
-        final Resources res = getResources();
-        setPreferenceEnabled(Settings.PREF_VIBRATION_DURATION_SETTINGS,
-                Settings.readVibrationEnabled(prefs, res));
-        setPreferenceEnabled(Settings.PREF_KEYPRESS_SOUND_VOLUME,
-                Settings.readKeypressSoundEnabled(prefs, res));
-    }
-
-    private void setupKeypressVibrationDurationSettings() {
-        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
-                Settings.PREF_VIBRATION_DURATION_SETTINGS);
-        if (pref == null) {
-            return;
-        }
-        final SharedPreferences prefs = getSharedPreferences();
-        final Resources res = getResources();
-        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
-            @Override
-            public void writeValue(final int value, final String key) {
-                prefs.edit().putInt(key, value).apply();
-            }
-
-            @Override
-            public void writeDefaultValue(final String key) {
-                prefs.edit().remove(key).apply();
-            }
-
-            @Override
-            public int readValue(final String key) {
-                return Settings.readKeypressVibrationDuration(prefs, res);
-            }
-
-            @Override
-            public int readDefaultValue(final String key) {
-                return Settings.readDefaultKeypressVibrationDuration(res);
-            }
-
-            @Override
-            public void feedbackValue(final int value) {
-                AudioAndHapticFeedbackManager.getInstance().vibrate(value);
-            }
-
-            @Override
-            public String getValueText(final int value) {
-                if (value < 0) {
-                    return res.getString(R.string.settings_system_default);
-                }
-                return res.getString(R.string.abbreviation_unit_milliseconds, value);
-            }
-        });
-    }
-
-    private void setupKeypressSoundVolumeSettings() {
-        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
-                Settings.PREF_KEYPRESS_SOUND_VOLUME);
-        if (pref == null) {
-            return;
-        }
-        final SharedPreferences prefs = getSharedPreferences();
-        final Resources res = getResources();
-        final AudioManager am = (AudioManager)getActivity().getSystemService(Context.AUDIO_SERVICE);
-        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
-            private static final float PERCENTAGE_FLOAT = 100.0f;
-
-            private float getValueFromPercentage(final int percentage) {
-                return percentage / PERCENTAGE_FLOAT;
-            }
-
-            private int getPercentageFromValue(final float floatValue) {
-                return (int)(floatValue * PERCENTAGE_FLOAT);
-            }
-
-            @Override
-            public void writeValue(final int value, final String key) {
-                prefs.edit().putFloat(key, getValueFromPercentage(value)).apply();
-            }
-
-            @Override
-            public void writeDefaultValue(final String key) {
-                prefs.edit().remove(key).apply();
-            }
-
-            @Override
-            public int readValue(final String key) {
-                return getPercentageFromValue(Settings.readKeypressSoundVolume(prefs, res));
-            }
-
-            @Override
-            public int readDefaultValue(final String key) {
-                return getPercentageFromValue(Settings.readDefaultKeypressSoundVolume(res));
-            }
-
-            @Override
-            public String getValueText(final int value) {
-                if (value < 0) {
-                    return res.getString(R.string.settings_system_default);
-                }
-                return Integer.toString(value);
-            }
-
-            @Override
-            public void feedbackValue(final int value) {
-                am.playSoundEffect(
-                        AudioManager.FX_KEYPRESS_STANDARD, getValueFromPercentage(value));
-            }
-        });
-    }
-
-    private void setupKeyLongpressTimeoutSettings() {
-        final SharedPreferences prefs = getSharedPreferences();
-        final Resources res = getResources();
-        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
-                Settings.PREF_KEY_LONGPRESS_TIMEOUT);
-        if (pref == null) {
-            return;
-        }
-        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
-            @Override
-            public void writeValue(final int value, final String key) {
-                prefs.edit().putInt(key, value).apply();
-            }
-
-            @Override
-            public void writeDefaultValue(final String key) {
-                prefs.edit().remove(key).apply();
-            }
-
-            @Override
-            public int readValue(final String key) {
-                return Settings.readKeyLongpressTimeout(prefs, res);
-            }
-
-            @Override
-            public int readDefaultValue(final String key) {
-                return Settings.readDefaultKeyLongpressTimeout(res);
-            }
-
-            @Override
-            public String getValueText(final int value) {
-                return res.getString(R.string.abbreviation_unit_milliseconds, value);
-            }
-
-            @Override
-            public void feedbackValue(final int value) {}
-        });
     }
 }

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/PreferencesSettingsFragment.java

@@ -19,6 +19,7 @@ package org.dslul.openboard.inputmethod.latin.settings;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
+import android.media.AudioManager;
 import android.os.Bundle;
 import android.preference.Preference;
 
@@ -26,17 +27,6 @@ import org.dslul.openboard.inputmethod.latin.AudioAndHapticFeedbackManager;
 import org.dslul.openboard.inputmethod.latin.R;
 import org.dslul.openboard.inputmethod.latin.RichInputMethodManager;
 
-/**
- * "Preferences" settings sub screen.
- *
- * This settings sub screen handles the following input preferences.
- * - Auto-capitalization
- * - Double-space period
- * - Vibrate on keypress
- * - Sound on keypress
- * - Popup on keypress
- * - Voice input key
- */
 public final class PreferencesSettingsFragment extends SubScreenFragment {
 
     private static final boolean VOICE_IME_ENABLED =
@@ -62,11 +52,16 @@ public final class PreferencesSettingsFragment extends SubScreenFragment {
         }
         if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) {
             removePreference(Settings.PREF_VIBRATE_ON);
+            removePreference(Settings.PREF_VIBRATION_DURATION_SETTINGS);
         }
         if (!Settings.readFromBuildConfigIfToShowKeyPreviewPopupOption(res)) {
             removePreference(Settings.PREF_POPUP_ON);
         }
 
+        setupKeypressVibrationDurationSettings();
+        setupKeypressSoundVolumeSettings();
+        setupKeyLongpressTimeoutSettings();
+        refreshEnablingsOfKeypressSoundAndVibrationSettings();
         refreshEnablingsOfKeypressSoundAndVibrationSettings();
     }
 
@@ -95,4 +90,143 @@ public final class PreferencesSettingsFragment extends SubScreenFragment {
         setPreferenceEnabled(Settings.PREF_KEYPRESS_SOUND_VOLUME,
                 Settings.readKeypressSoundEnabled(prefs, res));
     }
+
+    private void setupKeypressVibrationDurationSettings() {
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_VIBRATION_DURATION_SETTINGS);
+        if (pref == null) {
+            return;
+        }
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putInt(key, value).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return Settings.readKeypressVibrationDuration(prefs, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeypressVibrationDuration(res);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {
+                AudioAndHapticFeedbackManager.getInstance().vibrate(value);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                if (value < 0) {
+                    return res.getString(R.string.settings_system_default);
+                }
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+        });
+    }
+
+    private void setupKeypressSoundVolumeSettings() {
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_KEYPRESS_SOUND_VOLUME);
+        if (pref == null) {
+            return;
+        }
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final AudioManager am = (AudioManager)getActivity().getSystemService(Context.AUDIO_SERVICE);
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            private static final float PERCENTAGE_FLOAT = 100.0f;
+
+            private float getValueFromPercentage(final int percentage) {
+                return percentage / PERCENTAGE_FLOAT;
+            }
+
+            private int getPercentageFromValue(final float floatValue) {
+                return (int)(floatValue * PERCENTAGE_FLOAT);
+            }
+
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putFloat(key, getValueFromPercentage(value)).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return getPercentageFromValue(Settings.readKeypressSoundVolume(prefs, res));
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return getPercentageFromValue(Settings.readDefaultKeypressSoundVolume(res));
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                if (value < 0) {
+                    return res.getString(R.string.settings_system_default);
+                }
+                return Integer.toString(value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {
+                am.playSoundEffect(
+                        AudioManager.FX_KEYPRESS_STANDARD, getValueFromPercentage(value));
+            }
+        });
+    }
+
+    private void setupKeyLongpressTimeoutSettings() {
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_KEY_LONGPRESS_TIMEOUT);
+        if (pref == null) {
+            return;
+        }
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putInt(key, value).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return Settings.readKeyLongpressTimeout(prefs, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeyLongpressTimeout(res);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
 }

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/SubScreenFragment.java

@@ -25,6 +25,7 @@ import android.os.Build;
 import android.os.Bundle;
 import android.preference.ListPreference;
 import android.preference.Preference;
+import android.preference.PreferenceCategory;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceScreen;
 import android.util.Log;
@@ -47,8 +48,14 @@ public abstract class SubScreenFragment extends PreferenceFragment
 
     static void removePreference(final String prefKey, final PreferenceScreen screen) {
         final Preference preference = screen.findPreference(prefKey);
-        if (preference != null) {
+        if (preference != null && !screen.removePreference(preference)) {
-            screen.removePreference(preference);
+            final int count = screen.getPreferenceCount();
+            for (int i = 0; i < count; i++) {
+                final Preference pref = screen.getPreference(i);
+                if (pref instanceof PreferenceCategory
+                        && ((PreferenceCategory) pref).removePreference(preference))
+                    break;
+            }
         }
     }
 

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

@@ -606,4 +606,17 @@ disposition rather than other common dispositions for Latin languages. [CHAR LIM
     <string name="prefs_force_incognito_mode_summary">Disable learning of new words</string>
     <string name="show_emoji_key">Show emoji key</string>
     <string name="show_emoji_key_summary">Show a separate emoji key. When disabled, the emoji keyboard is still accessible by long-pressing the ENTER button.</string>
+    <string name="settings_category_input">Input</string>
+    <string name="settings_category_additional_keys">Additional keys</string>
+    <string name="settings_category_correction">Corrections</string>
+    <string name="settings_category_suggestions">Suggestions</string>
+    <string name="settings_category_experimental">Experimental</string>
+    <string name="settings_category_miscellaneous">Miscellaneous</string>
+    <string name="theme_family">Theme family</string>
+    <string name="theme_variant">Theme variant</string>
+    <string name="key_borders">Key borders</string>
+    <string name="day_night_mode">Auto day/night mode</string>
+    <string name="day_night_mode_summary">Appearance will follow system settings</string>
+    <string name="amoled_mode">Deep black backgrounds</string>
+    <string name="amoled_mode_summary">Can reduce power usage depending on the device’s screen technology</string>
 </resources>

app/src/main/res/xml/prefs_screen_advanced.xml

@@ -19,51 +19,62 @@
     xmlns:latin="http://schemas.android.com/apk/res-auto"
     android:title="@string/settings_screen_advanced"
     android:key="screen_advanced">
+
     <CheckBoxPreference
         android:key="pref_always_incognito_mode"
         android:title="@string/prefs_force_incognito_mode"
         android:summary="@string/prefs_force_incognito_mode_summary"
         android:defaultValue="false" />
-    <org.dslul.openboard.inputmethod.latin.settings.SeekBarDialogPreference
+
-        android:key="pref_vibration_duration_settings"
-        android:title="@string/prefs_keypress_vibration_duration_settings"
-        latin:maxValue="@integer/config_max_vibration_duration" />
-    <org.dslul.openboard.inputmethod.latin.settings.SeekBarDialogPreference
-        android:key="pref_keypress_sound_volume"
-        android:title="@string/prefs_keypress_sound_volume_settings"
-        latin:maxValue="100" /> <!-- percent -->
     <org.dslul.openboard.inputmethod.latin.settings.SeekBarDialogPreference
         android:key="pref_key_longpress_timeout"
         android:title="@string/prefs_key_longpress_timeout_settings"
         latin:minValue="@integer/config_min_longpress_timeout"
         latin:maxValue="@integer/config_max_longpress_timeout"
         latin:stepValue="@integer/config_longpress_timeout_step" />
+
+    <CheckBoxPreference
+        android:key="prefs_long_press_keyboard_to_change_lang"
+        android:title="@string/prefs_long_press_keyboard_to_change_lang"
+        android:persistent="true"
+        android:defaultValue="true" />
+
     <CheckBoxPreference
         android:key="pref_enable_emoji_alt_physical_key"
         android:title="@string/prefs_enable_emoji_alt_physical_key"
         android:summary="@string/prefs_enable_emoji_alt_physical_key_summary"
         android:defaultValue="true"
         android:persistent="true" />
+
     <CheckBoxPreference
         android:key="pref_show_setup_wizard_icon"
         android:title="@string/show_setup_wizard_icon"
         android:summary="@string/show_setup_wizard_icon_summary"
         android:defaultValue="true"
         android:persistent="true" />
-    <CheckBoxPreference
+
-        android:key="pref_space_trackpad"
-        android:title="@string/space_trackpad"
-        android:summary="@string/space_trackpad_summary"
-        android:defaultValue="true" />
-    <CheckBoxPreference
-        android:key="pref_delete_swipe"
-        android:title="@string/delete_swipe"
-        android:summary="@string/delete_swipe_summary"
-        android:defaultValue="true" />
     <PreferenceScreen
-        android:fragment="org.dslul.openboard.inputmethod.latin.settings.DebugSettingsFragment"
+            android:fragment="org.dslul.openboard.inputmethod.latin.settings.DebugSettingsFragment"
-        android:key="screen_debug"
+            android:key="screen_debug"
-        android:title="Debug settings"
+            android:title="Debug settings"
-        android:defaultValue="false"
+            android:defaultValue="false"
-        android:persistent="true" />
+            android:persistent="true" />
+
+    <PreferenceCategory
+        android:title="@string/settings_category_experimental">
+
+        <CheckBoxPreference
+            android:key="pref_space_trackpad"
+            android:title="@string/space_trackpad"
+            android:summary="@string/space_trackpad_summary"
+            android:defaultValue="true" />
+
+        <CheckBoxPreference
+            android:key="pref_delete_swipe"
+            android:title="@string/delete_swipe"
+            android:summary="@string/delete_swipe_summary"
+            android:defaultValue="true" />
+
+    </PreferenceCategory>
+
 </PreferenceScreen>

app/src/main/res/xml/prefs_screen_correction.xml

@@ -17,39 +17,70 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     android:title="@string/settings_screen_correction"
     android:key="screen_correction">
+
     <PreferenceScreen
-        android:key="edit_personal_dictionary"
+            android:key="edit_personal_dictionary"
-        android:title="@string/edit_personal_dictionary">
+            android:title="@string/edit_personal_dictionary">
         <intent android:action="android.settings.USER_DICTIONARY_SETTINGS" />
     </PreferenceScreen>
-    <CheckBoxPreference
+
-        android:key="pref_key_block_potentially_offensive"
+    <PreferenceCategory
-        android:title="@string/prefs_block_potentially_offensive_title"
+        android:title="@string/settings_category_correction">
-        android:summary="@string/prefs_block_potentially_offensive_summary"
+
-        android:defaultValue="@bool/config_block_potentially_offensive"
+        <CheckBoxPreference
-        android:persistent="true" />
+            android:key="pref_key_block_potentially_offensive"
-    <CheckBoxPreference
+            android:title="@string/prefs_block_potentially_offensive_title"
-        android:key="pref_key_auto_correction"
+            android:summary="@string/prefs_block_potentially_offensive_summary"
-        android:title="@string/auto_correction"
+            android:defaultValue="@bool/config_block_potentially_offensive"
-        android:summary="@string/auto_correction_summary"
+            android:persistent="true" />
-        android:defaultValue="true"
+
-        android:persistent="true" />
+        <CheckBoxPreference
-    <CheckBoxPreference
+            android:key="pref_key_auto_correction"
-        android:key="show_suggestions"
+            android:title="@string/auto_correction"
-        android:summary="@string/prefs_show_suggestions_summary"
+            android:summary="@string/auto_correction_summary"
-        android:title="@string/prefs_show_suggestions"
+            android:defaultValue="true"
-        android:defaultValue="true"
+            android:persistent="true" />
-        android:persistent="true" />
+
-    <CheckBoxPreference
+        <CheckBoxPreference
-        android:key="pref_key_use_personalized_dicts"
+            android:key="auto_cap"
-        android:title="@string/use_personalized_dicts"
+            android:title="@string/auto_cap"
-        android:summary="@string/use_personalized_dicts_summary"
+            android:summary="@string/auto_cap_summary"
-        android:defaultValue="true"
+            android:defaultValue="true"
-        android:persistent="true" />
+            android:persistent="true" />
-    <CheckBoxPreference
+
-        android:key="next_word_prediction"
+        <CheckBoxPreference
-        android:title="@string/bigram_prediction"
+            android:key="pref_key_use_double_space_period"
-        android:summary="@string/bigram_prediction_summary"
+            android:title="@string/use_double_space_period"
-        android:defaultValue="true"
+            android:summary="@string/use_double_space_period_summary"
-        android:persistent="true" />
+            android:defaultValue="true"
+            android:persistent="true" />
+
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:title="@string/settings_category_suggestions">
+
+        <CheckBoxPreference
+            android:key="show_suggestions"
+            android:summary="@string/prefs_show_suggestions_summary"
+            android:title="@string/prefs_show_suggestions"
+            android:defaultValue="true"
+            android:persistent="true" />
+
+        <CheckBoxPreference
+            android:key="pref_key_use_personalized_dicts"
+            android:title="@string/use_personalized_dicts"
+            android:summary="@string/use_personalized_dicts_summary"
+            android:defaultValue="true"
+            android:persistent="true" />
+
+        <CheckBoxPreference
+            android:key="next_word_prediction"
+            android:title="@string/bigram_prediction"
+            android:summary="@string/bigram_prediction_summary"
+            android:defaultValue="true"
+            android:persistent="true" />
+
+    </PreferenceCategory>
+
 </PreferenceScreen>

app/src/main/res/xml/prefs_screen_preferences.xml

@@ -15,71 +15,84 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-    android:title="@string/settings_screen_preferences">
+      xmlns:latin="http://schemas.android.com/apk/res-auto"
-    <CheckBoxPreference
+      android:title="@string/settings_screen_preferences">
-        android:key="auto_cap"
+
-        android:title="@string/auto_cap"
+    <PreferenceCategory android:title="@string/settings_category_input">
-        android:summary="@string/auto_cap_summary"
+
-        android:defaultValue="true"
+        <CheckBoxPreference
-        android:persistent="true" />
+            android:key="pref_show_hints"
-    <CheckBoxPreference
+            android:title="@string/show_hints"
-        android:key="pref_show_number_row"
+            android:summary="@string/show_hints_summary"
-        android:title="@string/number_row"
+            android:defaultValue="true"
-        android:summary="@string/number_row_summary"
+            android:persistent="true" />
-        android:defaultValue="false"
+
-        android:persistent="true" />
+        <CheckBoxPreference
-    <CheckBoxPreference
+            android:key="vibrate_on"
-        android:key="pref_show_hints"
+            android:title="@string/vibrate_on_keypress"
-        android:title="@string/show_hints"
+            android:defaultValue="@bool/config_default_vibration_enabled"
-        android:summary="@string/show_hints_summary"
+            android:persistent="true" />
-        android:defaultValue="true"
+
-        android:persistent="true" />
+        <org.dslul.openboard.inputmethod.latin.settings.SeekBarDialogPreference
-    <CheckBoxPreference
+            android:key="pref_vibration_duration_settings"
-        android:key="prefs_long_press_keyboard_to_change_lang"
+            android:title="@string/prefs_keypress_vibration_duration_settings"
-        android:title="@string/prefs_long_press_keyboard_to_change_lang"
+            latin:maxValue="@integer/config_max_vibration_duration" />
-        android:persistent="true"
+
-        android:defaultValue="true" />
+        <CheckBoxPreference
-    <CheckBoxPreference
+            android:key="sound_on"
-        android:key="pref_show_language_switch_key"
+            android:title="@string/sound_on_keypress"
-        android:title="@string/show_language_switch_key"
+            android:defaultValue="@bool/config_default_sound_enabled"
-        android:defaultValue="false"
+            android:persistent="true" />
-        android:persistent="true" />
+
-    <CheckBoxPreference
+        <org.dslul.openboard.inputmethod.latin.settings.SeekBarDialogPreference
-        android:key="pref_show_emoji_key"
+            android:key="pref_keypress_sound_volume"
-        android:title="@string/show_emoji_key"
+            android:title="@string/prefs_keypress_sound_volume_settings"
-        android:summary="@string/show_emoji_key_summary"
+            latin:maxValue="100" /> <!-- percent -->
-        android:defaultValue="false"
+
-        android:persistent="true" />
+    </PreferenceCategory>
-    <CheckBoxPreference
+
-        android:key="pref_key_use_double_space_period"
-        android:title="@string/use_double_space_period"
-        android:summary="@string/use_double_space_period_summary"
-        android:defaultValue="true"
-        android:persistent="true" />
-    <CheckBoxPreference
-        android:key="vibrate_on"
-        android:title="@string/vibrate_on_keypress"
-        android:defaultValue="@bool/config_default_vibration_enabled"
-        android:persistent="true" />
-    <CheckBoxPreference
-        android:key="sound_on"
-        android:title="@string/sound_on_keypress"
-        android:defaultValue="@bool/config_default_sound_enabled"
-        android:persistent="true" />
     <CheckBoxPreference
         android:key="popup_on"
         android:title="@string/popup_on_keypress"
         android:defaultValue="@bool/config_default_key_preview_popup"
         android:persistent="true" />
-    <CheckBoxPreference
+
-        android:key="pref_voice_input_key"
+    <PreferenceCategory
-        android:title="@string/voice_input"
+        android:title="@string/settings_category_additional_keys">
-        android:defaultValue="true"
+
-        android:persistent="true" />
+        <CheckBoxPreference
-    <CheckBoxPreference
+            android:key="pref_show_number_row"
-        android:key="pref_show_clipboard_key"
+            android:title="@string/number_row"
-        android:title="@string/show_clipboard_key"
+            android:summary="@string/number_row_summary"
-        android:summary="@string/show_clipboard_key_summary"
+            android:defaultValue="false"
-        android:defaultValue="false"
+            android:persistent="true" />
-        android:persistent="true" />
+
+        <CheckBoxPreference
+            android:key="pref_show_language_switch_key"
+            android:title="@string/show_language_switch_key"
+            android:defaultValue="false"
+            android:persistent="true" />
+
+        <CheckBoxPreference
+            android:key="pref_show_emoji_key"
+            android:title="@string/show_emoji_key"
+            android:summary="@string/show_emoji_key_summary"
+            android:defaultValue="false"
+            android:persistent="true" />
+
+        <CheckBoxPreference
+            android:key="pref_voice_input_key"
+            android:title="@string/voice_input"
+            android:defaultValue="true"
+            android:persistent="true" />
+
+        <CheckBoxPreference
+            android:key="pref_show_clipboard_key"
+            android:title="@string/show_clipboard_key"
+            android:summary="@string/show_clipboard_key_summary"
+            android:defaultValue="false"
+            android:persistent="true" />
+
+    </PreferenceCategory>
+
 </PreferenceScreen>