Placeholder
The Stac Placeholder widget allows you to build the Flutter Placeholder widget using JSON.
is used to draw a box that serves as a placeholder in your Flutter UI. It is typically used to represent areas where widgets are yet to be added or for debugging layout constraints.
To learn more about the Placeholder widget, refer to the official Flutter documentation.
Properties​
| Property | Type | Description |
|---|---|---|
color | String? | The hex color to paint behind the child. Defaults to #455A64 (Blue Grey 700). |
strokeWidth | double? | The width of the lines used to draw the placeholder box. Defaults to 2.0. |
fallbackWidth | double? | The width to use when the placeholder is in a situation with an unbounded width. Defaults to 400.0. |
fallbackHeight | double? | The height to use when the placeholder is in a situation with an unbounded height. Defaults to 400.0. |
child | Map<String, dynamic>? | The widget to be displayed inside the placeholder box. |
Example JSON​
{
"type": "placeholder",
"color": "#455A64",
"strokeWidth": 2.0,
"fallbackWidth": 400.0,
"fallbackHeight": 400.0
}