Flutter Release版本页面内容不显示问题求助

使用flutter build apk构建Flutter应用的Release版本时，发现商品列表页面无法显示任何内容，但Debug版本运行完全正常。

版本效果对比 #

• Debug版本：
  
• Release版本：
  

问题页面代码 #

class ProductListPage extends Stateful Widget {
  ProductListPage(
      {Key? key,
      Title? title,
      required this.subCatId,
      required this.subCatName})
      : super(key: key);
  final String title = '';
  static const String page_id = 'Product List';
  int subCatId;
  String subCatName;

  @override
  State<ProductListPage> createState() => _ProductListPageState();
}

class _ProductListPageState extends State<ProductListPage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBar(
        elevation: 0,
        backgroundColor: Colors.white,
        automaticallyImplyLeading: true,
        iconTheme: IconThemeData(color: style.appColor),
        title: Text(widget.subCatName),
        centerTitle: false,
        titleTextStyle: style.pageTitle(),
        actions: [
          IconButton(onPressed: () {}, icon: Icon(Icons.search)),
          IconButton(onPressed: () {}, icon: Icon(Icons.share_outlined))
        ],
      ),
      body:
          _buildBody(), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }

  Widget _buildBody() {
    return SingleChildScrollView(
      child: Container(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Container(
              decoration: style.bottomBorder(),
              child: Row(
                children: [
                  Expanded(
                      child: ElevatedButton.icon(
                    onPressed: () {},
                    icon: Icon(Icons.filter_alt_outlined),
                    label: Text('Filter'),
                    style: simpleButton(),
                  )),
                  Expanded(
                      child: ElevatedButton.icon(
                    onPressed: () {},
                    icon: Icon(Icons.sort_outlined),
                    label: Text('Sort'),
                    style: simpleButton(),
                  )),
                ],
              ),
            ),
            GetBuilder<ProductsController>(builder: (prodsBySub) {
              Get.find<ProductsController>()
                  .getProductsBySubCategory(widget.subCatId);
              return GridView.count(
                crossAxisCount: 2,
                shrinkWrap: true,
                physics: ScrollPhysics(),
                mainAxisSpacing: 16,
                crossAxisSpacing: 16,
                childAspectRatio: 70 / 100,
                padding: EdgeInsets.all(16),
                children: List.generate(
                    prodsBySub.productsListBySubCategory.length, (index) {
                  return _buildSingleProduct(
                      index,
                      ProductModel.fromJson(
                          prodsBySub.productsListBySubCategory[index]));
                }),
              );
            })
          ],
        ),
      ),
    );
  }

  Widget _buildSingleProduct(int position, ProductModel product) {
    return InkWell(
      onTap: () {
        Get.toNamed(RouteHelper.getProduct(position, product.id));
      },
      child: Container(
        width: double.infinity,
        height: double.infinity,
        padding: EdgeInsets.all(8),
        decoration: style.shadowContainer(),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Container(
              width: double.infinity,
              height: 140,
              decoration: BoxDecoration(
                  image: DecorationImage(
                      image: AssetImage('assets/images/mango.png'),
                      fit: BoxFit.contain)),
            ),
            SizedBox(height: 8),
            Text(
              product.title,
              style: TextStyle(fontSize: 14, fontFamily: 'medium'),
            ),
            Text(
              '50g/pack',
              style: TextStyle(fontSize: 13, color: Colors.grey),
            ),
            SizedBox(height: 8),
            Row(
              children: [
                Expanded(
                    child: Row(
                  children: [
                    Container(
                      padding: EdgeInsets.symmetric(horizontal: 6, vertical: 1),
                      margin: EdgeInsets.only(right: 8),
                      decoration: style.offContainer(),
                      child: Text('10%', style: style.offLabel()),
                    ),
                    Text(
                      '${product.price} €',
                      style: TextStyle(fontSize: 16, fontFamily: 'medium'),
                    ),
                  ],
                )),
                Container(
                  height: 30,
                  width: 30,
                  decoration: BoxDecoration(
                      borderRadius: BorderRadius.all(Radius.circular(5)),
                      color: style.appColor),
                  child: Icon(Icons.add, color: Colors.white),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  simpleButton() {
    return ElevatedButton.styleFrom(
        onPrimary: Colors.grey,
        padding: EdgeInsets.symmetric(vertical: 12),
        elevation: 0,
        primary: Colors.transparent);
  }
}

已尝试的解决方案 #

• 为API请求添加网络权限
• 修改build.gradle配置

以上方案均未解决问题，希望得到帮助。

内容的提问来源于stack exchange，提问作者Fedy Belaid