-1.0);/// The top right corner.staticconstAlignment topRight=Alignment(1.0,-1.0);/// The center point along the left edge.staticconstAlignment centerLeft=Alignment(-1.0,0.0);/// The center point, both horizontally and vertically.staticconstAlignment...
4.1Row、Column表示一组平面上排列的元素 其中Row主轴mainAxisAlignment是从屏幕左侧到右侧,交叉轴从屏幕顶部到下方;Column主轴crossAxisAlignment从屏幕的上方到下方,交叉轴是从屏幕的左侧到右侧。 mainAxisAlignment变量-主轴 start-元素居左/居上显示,元素之间间距为0,多余的空间居右/下; center-元素居中显示,元素间艰巨...
-1.0);/// The top right corner.staticconstAlignmenttopRight=Alignment(1.0, -1.0);/// The center point along the left edge.staticconstAlignmentcenterLeft=Alignment(-1.0,0.0);/// The center point, both horizontally and
/// The center point along the left edge. static const Alignment centerLeft = const Alignment(-1.0, 0.0); /// The center point, both horizontally and vertically. static const Alignment center = const Alignment(0.0, 0.0); /// The center point along the right edge. static const Alignment ...
Main Axis Alignment: You have the power to define howthe children are aligned along the main axis, which runs horizontally for aRow. This alignment can be set to the start, center, end, or even space evenly between the items. Cross Axis Alignment: Similar to the main axis, the crossaxis...
// Center 子widget是一个Column widget,Column的作用是将其所有子widget沿屏幕垂直方向依次排列, // 此例中Column包含两个 Text子widget,第一个Text widget显示固定文本 “You have pushed the button this many times:”, // 第二个Text widget显示_counter状态的数值 ...
Main Axis Alignment: You have the power to define howthe children are aligned along the main axis, which runs horizontally for a Row. This alignment can be set to the start, center, end, or even space evenly between the items. Cross Axis Alignment: Similar to the main axis, the crossaxi...
Column( children: [ Flexible( flex: 7, child: Center( child: ... ), ), Flexible( flex: 5, child: MyCardWidget(), ), ], ), 在此输入图片描述 颤动中文本被水平剪切。我想使用卡片的最大空间,为 pr.longDetail 文本提供空间。该页面是响应式的,因此每个设备都会更改卡片高度并且文本行也会发生...
child: Column( // Column is also layout widget. It takes a list of children and // arranges them vertically. By default, it sizes itself to fit its // children horizontally, and tries to be as tall as its parent. // // Invoke "debug painting" (press "p" in the console, choose ...
--Using an Expanded widget makes a child of a Row, Column, or Flex expand to fill the available space in the main axis (e.g., horizontally for a Row or vertically for a Column). If multiple children are expanded, the available space is divided among them according to the flex factor...