GadgetBridge/app/src/main/res/xml/miband_preferences.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <PreferenceCategory
        android:key="pref_category_miband_personal"
        android:title="@string/miband_prefs_about_you">
        <EditTextPreference
            android:key="mi_user_alias"
            android:maxLength="17"
            android:title="@string/miband_prefs_alias" />

        <EditTextPreference
            android:digits="0123456789"
            android:key="mi_user_year_of_birth"
            android:maxLength="4"
            android:title="@string/miband_prefs_year_birth" />

        <ListPreference
            android:defaultValue="male"
            android:entries="@array/gender"
            android:entryValues="@array/gender_values"
            android:key="mi_user_gender"
            android:title="@string/miband_prefs_gender" />

        <!--TODO: support localized heights and weights -->
        <EditTextPreference
            android:digits="0123456789"
            android:key="mi_user_height_cm"
            android:maxLength="3"
            android:title="@string/miband_prefs_height_cm" />

        <EditTextPreference
            android:digits="0123456789"
            android:key="mi_user_weight_kg"
            android:maxLength="3"
            android:title="@string/miband_prefs_weight_kg" />

    </PreferenceCategory>

    <PreferenceCategory
        android:key="pref_key_development"
        android:title="@string/pref_header_development">
        <EditTextPreference
            android:digits="0123456789ABCDEF:"
            android:key="development_miaddr"
            android:maxLength="17"
            android:title="@string/pref_title_development_miaddr" />
    </PreferenceCategory>

</PreferenceScreen>