小编sim*_*sim的帖子

我试图将按钮移至屏幕底部但徒劳。我基本上有 2 个 textEditingController 和一个按钮，但后者一直坚持使用 textEditingController。请问有什么建议吗？

return Scaffold(
      
      body: SafeArea(
        child: SingleChildScrollView(
          physics: const ScrollPhysics(),
          child: Column(
            children: [
                
              return Card(
                 elevation: 5,
                 clipBehavior: Clip.antiAlias,
                 margin: const EdgeInsets.all(0),
                 child: Container(
                 padding: const EdgeInsets.all(15),
                 child: Row(
                   children: [
                    Column(
                    
         ),
         Expanded(
          child: Column(
          children: [
            LocationField(
                isDestination: false,
                textEditingController: sourceController),
            LocationField(
                isDestination: true,
                textEditingController: destinationController),
            
          ],
         ),
        ),   
              Align(
                alignment: Alignment.bottomCenter,
                child: Container(
                  margin: const EdgeInsets.all(5),
                  width: double.infinity,
                  child: ElevatedButton(
                    onPressed: () {},
                    child: const Text('Bottom Button '),  // trying to …