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【Flutter】GridView childAspectRatio 動態計算,在不同裝置保持高度一致

技術標籤:Flutterflutter

double cellWidth = ((MediaQuery.of(context).size.width - allHorizontalPadding) / columnCount);
double desiredCellHeight = 200;
double childAspectRatio = cellWidth / desiredCellHeight;

allHorizontalPadding – 間距總和