fromDynamic static method
Builds the builder from a Map-like dynamic structure. This expects the JSON format to be of the following structure:
{
"alignment: <AlignmentGeometry>,
"clipBehavior": <Clip>,
"color": <Color>,
"constraints": <BoxConstraints>,
"curve": <Curve>,
"decoration": <BoxDecoration>,
"duration": <int; millis>,
"foregroundDecoration": <BoxDecoration>,
"height: <double>,
"margin": <EdgeInsetsGeometry>,
"onEnd": <VoidCallback>,
"padding": <EdgeInsetsGeometry>,
"transform": <Matrix4>,
"transformAlignment": <TransformAlignment>,
"width": <double>
}
As a note, the Curve and VoidCallback cannot be decoded via JSON. Instead, the only way to bind those values to the builder is to use a function or a variable reference via the JsonWidgetRegistry.
Implementation
static JsonAnimatedContainerBuilder? fromDynamic(
dynamic map, {
JsonWidgetRegistry? registry,
}) {
JsonAnimatedContainerBuilder? result;
if (map != null) {
result = JsonAnimatedContainerBuilder(
alignment: ThemeDecoder.decodeAlignment(
map['alignment'],
validate: false,
),
clipBehavior: ThemeDecoder.decodeClip(
map['clipBehavior'],
validate: false,
) ??
Clip.none,
color: ThemeDecoder.decodeColor(
map['color'],
validate: false,
),
constraints: ThemeDecoder.decodeBoxConstraints(
map['constraints'],
validate: false,
),
curve: map['curve'] ?? Curves.linear,
decoration: ThemeDecoder.decodeBoxDecoration(
map['decoration'],
validate: false,
),
duration: JsonClass.parseDurationFromMillis(
map['duration'],
)!,
foregroundDecoration: ThemeDecoder.decodeBoxDecoration(
map['foregroundDecoration'],
validate: false,
),
height: JsonClass.parseDouble(map['height']),
margin: ThemeDecoder.decodeEdgeInsetsGeometry(
map['margin'],
validate: false,
),
onEnd: map['onEnd'],
padding: ThemeDecoder.decodeEdgeInsetsGeometry(
map['padding'],
validate: false,
),
transform: ThemeDecoder.decodeMatrix4(
map['matrix4'],
validate: false,
),
transformAlignment: ThemeDecoder.decodeAlignment(
map['transformAlignment'],
validate: false,
),
width: JsonClass.parseDouble(map['width']),
);
}
return result;
}