loop/android/uhabits-android/src/main/res/xml/preferences.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  ~
  ~ This file is part of Loop Habit Tracker.
  ~
  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
  ~ it under the terms of the GNU General Public License as published by the
  ~ Free Software Foundation, either version 3 of the License, or (at your
  ~ option) any later version.
  ~
  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  ~ more details.
  ~
  ~ You should have received a copy of the GNU General Public License along
  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
  -->

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">

    <PreferenceCategory
        android:key="interfaceCategory"
        android:title="@string/interface_preferences">

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_short_toggle"
            android:summary="@string/pref_toggle_description"
            android:title="@string/pref_toggle_title"/>

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_checkmark_reverse_order"
            android:summary="@string/reverse_days_description"
            android:title="@string/reverse_days"/>


        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_pure_black"
            android:summary="@string/pure_black_description"
            android:title="@string/use_pure_black"/>

    </PreferenceCategory>

    <PreferenceCategory
        android:key="reminderCategory"
        android:title="@string/reminder">

        <ListPreference
            android:defaultValue="@string/snooze_interval_default"
            android:dialogTitle="@string/snooze_interval"
            android:entries="@array/snooze_interval_names"
            android:entryValues="@array/snooze_interval_values"
            android:key="pref_snooze_interval"
            android:summary="%s"
            android:title="@string/pref_snooze_interval_title"/>

        <Preference
            android:key="reminderSound"
            android:title="@string/reminder_sound"/>

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_sticky_notifications"
            android:title="@string/sticky_notifications"
            android:summary="@string/sticky_notifications_description"/>

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_led_notifications"
            android:title="@string/led_notifications"
            android:summary="@string/led_notifications_description"/>

        <Preference
            android:key="reminderCustomize"
            android:summary="@string/customize_notification_summary"
            android:title="@string/customize_notification"/>

    </PreferenceCategory>

    <PreferenceCategory
        android:key="databaseCategory"
        android:title="Database">

        <Preference
            android:key="exportDB"
            android:summary="@string/export_full_backup_summary"
            android:title="@string/export_full_backup">
        </Preference>

        <Preference
            android:key="exportCSV"
            android:summary="@string/export_as_csv_summary"
            android:title="@string/export_to_csv">
        </Preference>

        <Preference
            android:key="importData"
            android:summary="@string/import_data_summary"
            android:title="@string/import_data">
        </Preference>

    </PreferenceCategory>

    <PreferenceCategory
        android:key="pref_key_debug"
        android:title="@string/troubleshooting">

        <Preference
            android:key="bugReport"
            android:title="@string/generate_bug_report"/>

        <Preference
            android:key="repairDB"
            android:title="@string/repair_database"/>

    </PreferenceCategory>

    <PreferenceCategory
        android:key="linksCategory"
        android:title="@string/links">

        <Preference android:title="@string/help">
            <intent
                android:action="android.intent.action.VIEW"
                android:data="@string/helpURL"/>
        </Preference>

        <Preference android:title="@string/pref_rate_this_app">
            <intent
                android:action="android.intent.action.VIEW"
                android:data="@string/playStoreURL"/>
        </Preference>

        <Preference android:title="@string/about">
            <intent
                android:action="android.intent.action.VIEW"
                android:targetClass="org.isoron.uhabits.activities.about.AboutActivity"
                android:targetPackage="org.isoron.uhabits"/>
        </Preference>

    </PreferenceCategory>

    <PreferenceCategory
        android:key="devCategory"
        android:title="Development">

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_developer"
            android:title="Enable developer mode"/>

        <CheckBoxPreference
            android:defaultValue="false"
            android:key="pref_feature_sync"
            android:title="Enable cloud sync"/>

        <EditTextPreference
            android:key="pref_sync_address"
            android:title="Sync server address"/>

        <EditTextPreference
            android:key="pref_sync_key"
            android:title="Sync key"/>

    </PreferenceCategory>

</PreferenceScreen>