【发布时间】：2020-06-05 02:50:13
【问题描述】：
正如您从照片中看到的那样，我有一个包含 3 列的行。
|iconButton|第 2 列文本字段|iconButton|
我无法让 iconButtons 正确对齐。我希望箭头按钮与相应列的顶部对齐。我希望 + 按钮位于相应列的底部。
_scaffoldKey.currentState
.showBottomSheet((context) {
return new Container(
height: 400.0,
color: Colors.white,
padding: const EdgeInsets.only(left: 2, right: 2),
child: new Center(
// child: new Text('Persistent Bottom Sheet'),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.max,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
mainAxisAlignment: MainAxisAlignment.start,
children: [
IconButton(
icon: Icon(Icons.arrow_back),
color: Colors.black,
onPressed: () {},
),
],
),
Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
alignment: Alignment.topCenter,
height: 35,
margin: const EdgeInsets.only(
top: 45, left: 0, right: 20),
child: AutoCompleteTextView(
suggestionsApiFetchDelay: 300,
focusGained: () {},
onTapCallback: (_) async {
},
focusLost: () {
},
onValueChanged: (String text) {
},
controller: startEditingController,
suggestionStyle:
Theme.of(context).textTheme.bodyText2,
getSuggestionsMethod:
getLocationSuggestionsList,
tfTextAlign: TextAlign.left,
tfStyle: TextStyle(
fontSize: 16,
color: Theme.of(context)
.textTheme
.bodyText2
.color,
),
tfTextDecoration: InputDecoration(
contentPadding:
EdgeInsets.only(top: 0, left: 8.0),
filled: true,
fillColor: Colors.white,
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Colors.grey[800],
width: 1.0),
borderRadius: BorderRadius.zero,
),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Colors.deepPurple[600],
width: 1.0),
borderRadius: BorderRadius.zero,
),
hintText: "Current Location",
labelText: 'Start',
labelStyle: kcarPurpleLabelStyle,
),
),
),
Container(
height: 35,
margin: const EdgeInsets.only(
top: 5, left: 0, right: 0),
child: AutoCompleteTextView(
suggestionsApiFetchDelay: 300,
focusGained: () {},
onTapCallback: (_) async {
},
focusLost: () {
},
onValueChanged: (String text) {
},
controller: startEditingController,
suggestionStyle:
Theme.of(context).textTheme.bodyText2,
getSuggestionsMethod:
getLocationSuggestionsList,
tfTextAlign: TextAlign.left,
tfStyle: TextStyle(
fontSize: 16,
color: Theme.of(context)
.textTheme
.bodyText2
.color,
),
tfTextDecoration: InputDecoration(
contentPadding:
EdgeInsets.only(top: 0, left: 8.0),
filled: true,
fillColor: Colors.white,
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Colors.grey[800],
width: 1.0),
borderRadius: BorderRadius.zero,
),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(
color: Colors.deepPurple[600],
width: 1.0),
borderRadius: BorderRadius.zero,
),
hintText: "Current Location",
labelText: 'Destination',
labelStyle: kcarPurpleLabelStyle,
),
),
)
]),
),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
mainAxisAlignment: MainAxisAlignment.end,
mainAxisSize: MainAxisSize.max,
children: [
Stack(alignment: Alignment.bottomLeft, children: [
IconButton(
icon: Icon(Icons.add),
color: Colors.black,
onPressed: () {},
),
]),
],
),
]),
],
),
),
);
【问题讨论】：
-
这个问题解决了吗？
-
不，它不是固定的。