设置组件不同状态下的背景颜色

<?xml version="1.0" encoding="utf-8"?>
<DirectionalLayout
    xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:height="match_parent"
    ohos:width="match_parent"
    ohos:orientation="vertical">

    <RadioButton
        ohos:id="$+id:radChoose"
        ohos:height="50vp"
        ohos:width="match_content"
        ohos:text_size="30vp"
        ohos:background_element="gray"
        ohos:text="选我吧"/>
    <Button
        ohos:id="$+id:btnDisable"
        ohos:height="match_content"
        ohos:width="match_content"
        ohos:text="禁用"
        ohos:text_size="30vp"
        ohos:background_element="gray"/>
</DirectionalLayout>
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