Quelle  preference_about.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:key="pref_key_about"
    android:persistent="true"
    android:title="@string/menu_about">

    <PreferenceCategory
        android:key="pref_key_legal"
        android:title="@string/menu_legal">

        <Preference
            android:key="@string/preferences__licenses"
            android:title="@string/os_licenses" />
        <Preference
            android:key="@string/preferences__privacy_policy"
            android:title="@string/privacy_policy" />
        <Preference
            android:key="@string/preferences__terms_of_service"
            android:title="@string/terms_of_service" />
        <Preference
            android:key="@string/preferences__eula"
            android:title="@string/eula" />

    </PreferenceCategory>

    <PreferenceCategory
        android:key="pref_key_about_header"
        android:title="@string/threema_version">

        <Preference android:key="@string/preferences__version" />
        <Preference android:key="@string/preferences__version_code" />

        <Preference
            android:key="@string/preferences__git_commit"
            android:title="Git Commit"
            app:isPreferenceVisible="false" />
        <Preference
            android:key="@string/preferences__git_branch"
            android:title="Git Branch"
            app:isPreferenceVisible="false" />

        <Preference android:key="@string/preferences__device_info" />

        <Preference
            android:key="@string/preferences__check_updates"
            android:title="@string/check_updates" />

    </PreferenceCategory>

    <PreferenceCategory
        android:key="@string/preferences__hidden_info_section"
        android:title="Info"
        app:isPreferenceVisible="false">
        <Preference
            android:key="@string/preferences__installer_package"
            android:title="Installer Package" />
    </PreferenceCategory>

    <PreferenceCategory
        android:key="@string/preferences__server_config"
        android:title="@string/about_server_config_title">

        <Preference
            android:key="@string/preferences__work_license_name"
            android:title="@string/username_hint" />

        <Preference
            android:key="@string/preferences__oppf_url"
            android:title="@string/server_hint" />

        <Preference
            android:key="@string/preferences__remote_secret_activated"
            android:title="@string/remote_secret"
            android:summary="@string/about_screen_remote_secrets_activated"/>

    </PreferenceCategory>

    <PreferenceCategory
        android:key="pref_key_advanced_options"
        android:title="@string/prefs_advanced_options">

        <Preference
            android:fragment="ch.threema.app.preference.SettingsAdvancedOptionsFragment"
            android:key="@string/preferences__advanced_options"
            android:title="@string/prefs_advanced_options"
            android:icon="@drawable/ic_outline_science" />

    </PreferenceCategory>

</PreferenceScreen>