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phase3: nullable fields/methods, casts, ?.call, condition fixes across 11 files. 108->72

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peima
2026-08-01 01:16:25 +08:00
parent b8b70a87f9
commit 137eca4c69
12 changed files with 164 additions and 164 deletions
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10
lib/widgets/general/parabolic_animation_widget.dart
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@@ -29,7 +29,7 @@ class ParabolicAnimationWidget extends AnimatedWidget {
Widget build(BuildContext context) {
_calPoints();
final Animation<double> animation = listenable!;
final Animation<double> animation = listenable! as Animation<double>;
final double time = animation.value;
// 设time=1 已知两点坐标 和 初速度 可求出 加速度 a
@@ -66,17 +66,17 @@ class ParabolicAnimationWidget extends AnimatedWidget {
void _calPoints() {
if (_startOffset == null) {
RenderBox stackBox = stackKey.currentContext!.findRenderObject()!;
RenderBox stackBox = stackKey.currentContext!.findRenderObject()! as RenderBox;
Offset stackBoxOffset = stackBox.globalToLocal(Offset.zero);
EdgeInsets startMargin = _margin(startKey);
RenderBox startBox = startKey.currentContext!.findRenderObject()!;
RenderBox startBox = startKey.currentContext!.findRenderObject()! as RenderBox;
_startOffset = startBox.localToGlobal(Offset(
startMargin.left + startAdjustOffset.dx,
stackBoxOffset.dy + startMargin.top + startAdjustOffset.dy));
EdgeInsets endMargin = _margin(endKey);
RenderBox endBox = endKey.currentContext!.findRenderObject()!;
RenderBox endBox = endKey.currentContext!.findRenderObject()! as RenderBox;
_endOffset = endBox.localToGlobal(Offset(
endMargin.left + endAdjustOffset.dx,
stackBoxOffset.dy + endMargin.top + endAdjustOffset.dy));
@@ -85,7 +85,7 @@ class ParabolicAnimationWidget extends AnimatedWidget {
EdgeInsets _margin(GlobalKey key) {
final Widget widget = key.currentContext!.widget;
EdgeInsets margin = (widget is Container) ? widget.margin : EdgeInsets.zero;
EdgeInsets margin = (widget is Container) ? (widget.margin ?? EdgeInsets.zero) : EdgeInsets.zero;
return margin ?? EdgeInsets.zero;
}
}