secondaryContainer property
Implementation
@override
DynamicColor get secondaryContainer {
final color2025 = DynamicColor(
name: "secondary_container",
palette: (scheme) => scheme.secondaryPalette,
tone: (scheme) {
if (scheme.platform == .watch) {
return 30.0;
} else if (scheme.variant == .vibrant) {
return scheme.isDark
? _tMinC(scheme.secondaryPalette, 30, 40)
: _tMaxC(scheme.secondaryPalette, 84, 90);
} else if (scheme.variant == .expressive) {
return scheme.isDark ? 15.0 : _tMaxC(scheme.secondaryPalette, 90, 95);
} else {
return scheme.isDark ? 25.0 : 90.0;
}
},
isBackground: true,
background: (scheme) {
if (scheme.platform == .phone) {
return scheme.isDark ? surfaceBright : surfaceDim;
} else {
return null;
}
},
toneDeltaPair: (scheme) => scheme.platform == .watch
? ToneDeltaPair(
roleA: secondaryContainer,
roleB: secondaryDim,
delta: 10.0,
polarity: .darker,
constraint: .farther,
)
: null,
contrastCurve: (scheme) =>
scheme.platform == .phone && scheme.contrastLevel > 0.0
? _getContrastCurve(1.5)
: null,
);
return super.secondaryContainer.extendSpecVersion(.spec2025, color2025);
}