generated from dellevin/template
32 lines
952 B
Dart
32 lines
952 B
Dart
import 'package:flutter/widgets.dart';
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/// 响应式布局断点工具
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class Breakpoint {
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/// ≥600dp: 平板布局（常驻侧边栏 + NavigationRail）
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static const double tablet = 600.0;
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/// ≥900dp: 宽屏内容区（列表-详情并排显示）
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static const double wideContent = 900.0;
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static bool isTablet(BuildContext context) =>
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MediaQuery.sizeOf(context).width >= tablet;
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static bool isPhone(BuildContext context) =>
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MediaQuery.sizeOf(context).width < tablet;
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/// 是否使用宽屏内容布局（列表+详情并排）
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static bool isWideContent(BuildContext context) =>
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MediaQuery.sizeOf(context).width >= wideContent;
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}
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/// 根据可用宽度动态计算网格列数
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int responsiveCrossAxisCount(
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double availableWidth, {
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double minItemWidth = 160,
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int minCount = 2,
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int maxCount = 6,
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}) {
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final count = (availableWidth / minItemWidth).floor();
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return count.clamp(minCount, maxCount);
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}
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