TextThemeStyle 继承自： Enum

当前主题中预定义的 Material 文本样式角色。

将这些值用于 theme_style 等属性，来引用语义化的排版槽位（display、headline、title、body、label），而不是在每个控件里硬编码字体度量。

枚举值

名称	类型	默认值	说明
DISPLAY_LARGE	—	'displayLarge'	Largest display style. Intended for very prominent, short text on large surfaces, such as hero headlines.
DISPLAY_MEDIUM	—	'displayMedium'	Medium display style. Intended for high-impact short text when DISPLAY_LARGE is too dominant.
DISPLAY_SMALL	—	'displaySmall'	Smallest display style. Intended for concise, emphasized text that still needs display-level prominence.
HEADLINE_LARGE	—	'headlineLarge'	Largest headline style. Headline styles are below display styles and suit short, high-emphasis headings.
HEADLINE_MEDIUM	—	'headlineMedium'	Medium headline style. Suitable for section headers and prominent in-content headings.
HEADLINE_SMALL	—	'headlineSmall'	Smallest headline style. Suitable for compact headline usage on dense layouts.
TITLE_LARGE	—	'titleLarge'	Largest title style. Titles are typically used for medium-emphasis, short text such as card titles.
TITLE_MEDIUM	—	'titleMedium'	Medium title style. Suitable for secondary titles and emphasized labels in structured content.
TITLE_SMALL	—	'titleSmall'	Smallest title style. Suitable for compact title text where space is limited.
LABEL_LARGE	—	'labelLarge'	Largest label style. Commonly used for component text, such as button labels and prominent captions.
LABEL_MEDIUM	—	'labelMedium'	Medium label style. Suitable for compact UI labels in controls and supporting interface text.
LABEL_SMALL	—	'labelSmall'	Smallest label style. Suitable for dense, low-footprint labels and small supporting annotations.
BODY_LARGE	—	'bodyLarge'	Largest body style. Body styles are intended for longer passages and primary reading content.
BODY_MEDIUM	—	'bodyMedium'	Medium body style. Common default style for standard paragraph text in Material-themed UIs.
BODY_SMALL	—	'bodySmall'	Smallest body style. Suitable for secondary body text, footnotes, and compact long-form content.