Compose 界面工具包

1. MaterialTheme

androidx.compose.material

kotlin 复制代码

MaterialTheme(
    colorScheme = colorScheme,
    typography = Typography,
    content = content,
    shapes = Shapes
)

kotlin 复制代码

private val DarkColorScheme = darkColorScheme(
    secondary = PurpleGrey80,
    tertiary = Pink80,
    surface = Blue,
    onSurface = Navy,
    primary = Navy,
    onPrimary = Chartreuse
)

private val LightColorScheme = lightColorScheme(
    secondary = PurpleGrey40,
    tertiary = Pink40,
    surface = Blue,
    onSurface = Color.White,
    primary = LightBlue,
    onPrimary = Navy


    /* Other default colors to override
    background = Color(0xFFFFFBFE),
    surface = Color(0xFFFFFBFE),
    onPrimary = Color.White,
    onSecondary = Color.White,
    onTertiary = Color.White,
    onBackground = Color(0xFF1C1B1F),
    onSurface = Color(0xFF1C1B1F),
    */
)

kotlin 复制代码

// Set of Material typography styles to start with
val Typography = Typography(
    bodyLarge = TextStyle(
        fontFamily = FontFamily.Default,
        fontWeight = FontWeight.Normal,
        fontSize = 16.sp,
        lineHeight = 24.sp,
        letterSpacing = 0.5.sp
    )
    /* Other default text styles to override
    titleLarge = TextStyle(
        fontFamily = FontFamily.Default,
        fontWeight = FontWeight.Normal,
        fontSize = 22.sp,
        lineHeight = 28.sp,
        letterSpacing = 0.sp
    ),
    labelSmall = TextStyle(
        fontFamily = FontFamily.Default,
        fontWeight = FontWeight.Medium,
        fontSize = 11.sp,
        lineHeight = 16.sp,
        letterSpacing = 0.5.sp
    )
    */
)

kotlin 复制代码

val Shapes = Shapes(
    extraSmall = RoundedCornerShape(12.dp),
    small = RoundedCornerShape(12.dp)
)

2. Scaffold

kotlin 复制代码

@Composable
fun Scaffold(
    modifier: Modifier = Modifier,
    topBar: @Composable () -> Unit = {},
    bottomBar: @Composable () -> Unit = {},
    snackbarHost: @Composable () -> Unit = {},
    floatingActionButton: @Composable () -> Unit = {},
    floatingActionButtonPosition: FabPosition = FabPosition.End,
    containerColor: Color = MaterialTheme.colorScheme.background,
    contentColor: Color = contentColorFor(containerColor),
    contentWindowInsets: WindowInsets = ScaffoldDefaults.contentWindowInsets,
    content: @Composable (PaddingValues) -> Unit
) {
    ...
}

3. Surface

4. layouts

Compose 布局基础知识

5. Modifier

Compose 修饰符

Compose 修饰符列表