[英]Flutter Page reloads when keyboard opens or closes
我正在使用顫振處理聊天頁面,因此頁面結構是
Container(
color: color,
child: Column(
children: <Widget>[
Flexible(
child: ScrollablePositionedList.builder(
itemScrollController: _itemScrollController,
itemPositionsListener: _itemPositionListener,
initialScrollIndex: _messages.length - 1,
padding: EdgeInsets.all(8.0),
reverse: false,
itemBuilder: (_, int index) => GestureDetector(
behavior: HitTestBehavior.translucent,
onTap: () {
print("tapped");
FocusScope.of(context).requestFocus(new FocusNode());
},
child: ChatMessage(
message: _messages[index],
),
),
itemCount: _messages.length,
),
),
Divider(
height: 1.0,
),
Container(
padding: EdgeInsets.only(bottom: 32, left: 8, right: 8),
decoration: new BoxDecoration(
color: Theme.of(context).cardColor,
),
child: _textComposerWidget(),
)
],
),
);
問題是當單擊textFrom
或鍵盤打開或關閉頁面重新加載時,我丟失了listView
和textForm()
中的所有數據
需要更多信息,似乎您正在使用 StatelessWidget 而不是 Stateful
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