首先定义一下参数，以及左划右划的方法
double deleteButtonPosition = -120;double renameButtonPosition = -120;void _onHorizontalDragUpdate(DragUpdateDetails details) {setState(() {if (details.delta.dx < 0) {// 左滑deleteButtonPosition = 0; // 显示删除按钮renameButtonPosition = 80; // 显示重命名按钮} else if (details.delta.dx > 0) {// 右滑deleteButtonPosition = -120; // 隐藏删除按钮renameButtonPosition = -160; // 隐藏重命名按钮}});}然后再在Widget中加入布局以及方法调用
onHorizontalDragUpdate: _onHorizontalDragUpdate,AnimatedPositioned(duration: const Duration(milliseconds: 200),right: deleteButtonPosition,child: InkWell(onTap: () {_showRenameDialog(context, widget.onRename, widget.index);},child: Container(height: 100,width: 100,// color: Color.fromARGB(255, 106, 106, 106), // 添加背景颜色alignment: Alignment.center,decoration: const BoxDecoration(color: Color.fromARGB(255, 106, 106, 106), // 添加背景颜色borderRadius: BorderRadius.only(topRight: Radius.circular(10),bottomRight: Radius.circular(10),),),child: const Text('Rename',style: TextStyle(color: Colors.white, fontSize: 16),),),),),
)
