Quelle  attrs.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <!-- themeable attributes -->
    <attr name="textColorPrimary" format="reference" />
    <attr name="textColorSecondary" format="reference" />
    <attr name="gallery_attach_item_background" format="reference|color" />
    <attr name="whatsnew_wallpaper_drawable" format="reference" />
    <attr name="popup_menu_background" format="reference|color" />
    <attr name="control_panel_background" format="reference|color" />
    <attr name="attach_button_background" format="reference|color" />
    <attr name="emoji_picker_background_top" format="reference|color" />
    <attr name="emoji_picker_background_main" format="reference|color" />
    <attr name="emoji_picker_divider" format="reference|color" />
    <attr name="emoji_picker_top_divider" format="reference|color" />
    <attr name="emoji_picker_hint" format="reference|color" />
    <attr name="emoji_search_background" format="reference|color" />
    <attr name="emoji_search_stroke" format="reference|color" />

    <!-- message bubbles -->
    <attr name="colorMessageBubbleSendContainer" format="reference" />
    <attr name="colorOnMessageBubbleSendContainer" format="reference" />
    <attr name="colorMessageBubbleSendContainerSelected" format="reference" />
    <attr name="colorOnMessageBubbleSendContainerSelected" format="reference" />
    <attr name="colorMessageBubbleReceiveContainer" format="reference" />
    <attr name="colorOnMessageBubbleReceiveContainer" format="reference" />
    <attr name="colorMessageBubbleReceiveContainerSelected" format="reference" />
    <attr name="colorOnMessageBubbleReceiveContainerSelected" format="reference" />

    <!-- used to enable/disable elevation overlay -->
    <attr name="elevationOverlayColor" format="reference|color" />

    <declare-styleable name="SectionHeaderView">
        <attr name="android:text" />
    </declare-styleable>

    <!-- cropimage -->
    <attr name="cropImageStyle" format="reference" />
    <declare-styleable name="CropImageView">
        <attr name="highlightColor" format="reference|color" />
        <attr name="showThirds" format="boolean" />
        <attr name="showHandles">
            <enum name="changing" value="0" />
            <enum name="always" value="1" />
            <enum name="never" value="2" />
        </attr>
    </declare-styleable>

    <!-- Conversation bubble font sizes -->
    <declare-styleable name="FontStyle">
        <attr name="font_small" format="dimension" />
        <attr name="font_medium" format="dimension" />
        <attr name="font_large" format="dimension" />
        <attr name="font_status" format="dimension" />
        <attr name="font_textentry" format="dimension" />
    </declare-styleable>

    <declare-styleable name="StepPagerStrip">
        <attr name="previousColor" format="reference|color" />
        <attr name="selectedColor" format="reference|color" />
        <attr name="nextColor" format="reference|color" />
    </declare-styleable>

    <declare-styleable name="CircularProgressBar">
        <attr name="progressbar_progress" format="integer" />
        <attr name="progressbar_max" format="integer" />
        <attr name="progressbar_color" format="color" />
        <attr name="background_color" format="color" />
        <attr name="progressbar_width" format="dimension" />
        <attr name="background_width" format="dimension" />
        <attr name="border_width" format="dimension" />
    </declare-styleable>

    <!-- wizard -->
    <declare-styleable name="NewWizardStepPagerStrip">
        <attr name="newWizardPreviousColor" format="reference|color" />
        <attr name="newWizardSelectedColor" format="reference|color" />
        <attr name="newWizardNextColor" format="reference|color" />
    </declare-styleable>

    <!-- attachment sheet -->
    <declare-styleable name="CircleBackgroundImageView">
        <attr name="bgColor" format="color" />
    </declare-styleable>

    <!--send button -->
    <declare-styleable name="SendButton">
        <attr name="buttonTheme" format="integer" />
    </declare-styleable>

    <!-- Camera View -->
    <attr name="scaleType" format="enum">
        <enum name="fillStart" value="0" />
        <enum name="fillCenter" value="1" />
        <enum name="fillEnd" value="2" />
        <enum name="fitStart" value="3" />
        <enum name="fitCenter" value="4" />
        <enum name="fitEnd" value="5" />
    </attr>

    <declare-styleable name="CameraView">
        <attr name="scaleType" />
        <attr name="lensFacing" format="enum">
            <enum name="none" value="0" />
            <enum name="front" value="1" />
            <enum name="back" value="2" />
        </attr>
        <attr name="captureMode" format="enum">
            <enum name="image" value="0" />
            <enum name="video" value="1" />
            <enum name="mixed" value="2" />
        </attr>
        <attr name="flash" format="enum">
            <enum name="auto" value="1" />
            <enum name="on" value="2" />
            <enum name="off" value="4" />
        </attr>
        <attr name="pinchToZoomEnabled" format="boolean" />
    </declare-styleable>

    <declare-styleable name="PreviewView">
        <attr name="scaleType" />
    </declare-styleable>

    <!-- Button for Media Attacher Control Panel -->
    <declare-styleable name="ControlPanelButton">
        <attr name="labelIcon" format="integer" />
        <attr name="labelText" format="integer" />
        <attr name="strokeColor" format="color" />
        <attr name="fillColor" format="color" />
        <attr name="foregroundColor" format="color" />
        <attr name="fillColorAlpha" format="integer" />
    </declare-styleable>

    <!-- Audio Progress Bar -->
    <declare-styleable name="AudioProgressBarView">
        <attr name="barHeight" format="dimension" />
        <attr name="barMinHeight" format="dimension" />
        <attr name="barWidth" format="dimension" />
        <attr name="spaceWidth" format="dimension" />
        <attr name="colorBar" format="color" />
        <attr name="colorBarProgress" format="color" />
    </declare-styleable>

    <declare-styleable name="WizardButtonXmlWrapper">
        <attr name="wizardButton_style" format="enum">
            <enum name="wizardButton_default" value="0" />
            <enum name="wizardButton_inverse" value="1" />
        </attr>
        <attr name="wizardButton_text" format="reference" />
        <attr name="wizardButton_trailingIcon" format="reference" />
    </declare-styleable>

</resources>