我在gridview顶部有一个空间。我试图删除它没有成功。
看起来像这样:
我想要的是:
这是我的代码:
Container(
margin: EdgeInsets.all(10),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Text(
"Check",
style: TextStyle(color: Colors.black, fontSize: 18, fontWeight: FontWeight.bold),
textAlign: TextAlign.left,
),
GridView.count(
physics: NeverScrollableScrollPhysics(),
shrinkWrap: true,
crossAxisCount: 1,
crossAxisSpacing: 2,
mainAxisSpacing: 10,
childAspectRatio: 5.1,
children: <Widget>[
GestureDetector(
child: _buildWidget("Car", 0),
onTap: () => setState(() => _languageIndex = 0),
),
GestureDetector(
child: _buildWidget("Boat", 1),
onTap: () => setState(() => _languageIndex = 1),
),
],
),
],
));
Widget _buildWidget(String language, int index) {
bool isSelected = _languageIndex == index;
return Container(
alignment: Alignment.center,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(4),
border: Border.all(color: isSelected ? Colors.blue.withOpacity(1.0) : Colors.black26),
color: isSelected ? Colors.white.withOpacity(0.0) : Colors.white
),
child:
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
SizedBox(width:10),
Text(
language,
style: TextStyle(fontSize: 16,fontWeight: FontWeight.bold, color: isSelected ? Colors.black : Colors.black26),
),
SizedBox(width:20),
],)
);
}
如何删除文本和表格 View 之间的空间?还是可以通过其他方式获得想要的输出?
最佳答案
GridView
小部件具有默认的padding
,您可以通过为其指定padding
的padding
来删除EgdeInsets.zero
。
GridView.count(
padding: EdgeInsets.zero // set padding to zero
physics: NeverScrollableScrollPhysics(),
shrinkWrap: true,
crossAxisCount: 1,
crossAxisSpacing: 2,
mainAxisSpacing: 10,
childAspectRatio: 5.1,
children: <Widget>[
GestureDetector(
child: _buildWidget("Car", 0),
onTap: () => setState(() => _languageIndex = 0),
),
GestureDetector(
child: _buildWidget("Boat", 1),
onTap: () => setState(() => _languageIndex = 1),
),
],
),
关于flutter - Flutter如何删除GridView的顶部空间,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/63617539/