res/values/attrs.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2018 The Dirty Unicorns Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<resources>

    <!-- Base attributes available to CustomSeekBarPreference. -->
    <declare-styleable name="CustomSeekBarPreference">
        <attr name="defaultValueText" format="string" />
        <attr name="interval" format="integer" />
        <attr name="showSign" format="boolean" />
        <attr name="units" format="string|reference" />
        <attr name="continuousUpdates" format="boolean" />
    </declare-styleable>

    <!-- Value to pass to callback when restore button is pressed -->
    <declare-styleable name="ColorPickerPreference">
        <attr name="alphaSlider" format="boolean" />
        <attr name="showPreview" format="boolean" />
        <attr name="showReset" format="boolean" />
        <attr name="dividerAbove" format="boolean" />
        <attr name="dividerBelow" format="boolean" />
    </declare-styleable>

    <!-- Color Blend -->
    <declare-styleable name="ColorBlendPreference">
        <!-- Preference keys -->
        <attr name="keyColorStart" format="string" />
        <attr name="keyColorEnd" format="string" />
        <attr name="keyBlendReverse" format="string" />
        <!-- Default values -->
        <attr name="defaultValueColorStart" format="color" />
        <attr name="defaultValueColorEnd" format="color" />
        <attr name="defaultValueBlendReverse" format="boolean" />
        <!-- Preview strings -->
        <attr name="previewStartText" format="string" />
        <attr name="previewEndText" format="string" />
        <attr name="previewBetweenText" format="string" />
    </declare-styleable>

</resources>