AbsoluteContainer constructor

AbsoluteContainer({
  1. Key? key,
  2. AlignmentGeometry? alignment,
  3. EdgeInsetsGeometry? padding,
  4. Color? color,
  5. Decoration? decoration,
  6. Decoration? foregroundDecoration,
  7. double? width,
  8. double? height,
  9. BoxConstraints? constraints,
  10. EdgeInsetsGeometry? margin,
  11. Matrix4? transform,
  12. AlignmentGeometry? transformAlignment,
  13. Widget? child,
  14. Clip clipBehavior = Clip.none,
})

Implementation

AbsoluteContainer({
  super.key,
  this.alignment,
  this.padding,
  this.color,
  this.decoration,
  this.foregroundDecoration,
  this.width,
  this.height,
  BoxConstraints? constraints,
  this.margin,
  this.transform,
  this.transformAlignment,
  this.child,
  this.clipBehavior = Clip.none,
})  : assert(margin == null || margin.isNonNegative),
      assert(padding == null || padding.isNonNegative),
      assert(decoration == null || decoration.debugAssertIsValid()),
      assert(constraints == null || constraints.debugAssertIsValid()),
      assert(clipBehavior != null),
      assert(decoration != null || clipBehavior == Clip.none),
      assert(
        color == null || decoration == null,
        'Cannot provide both a color and a decoration\n'
        'To provide both, use "decoration: BoxDecoration(color: color)".',
      ),
      constraints = (width != null || height != null)
          ? constraints?.tighten(width: width, height: height) ??
              BoxConstraints.tightFor(width: width, height: height)
          : constraints;