我试图创建一行,其中中心文本有一个最大大小,如果文本内容太大,它适合大小。

我插入TextOverflow。属性来缩短文本并插入三个点…但这并不奏效。

main.dart

import 'package:flutter/material.dart';

void main() {
runApp(new MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      home: new HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) => new Scaffold(
    appBar: new AppBar(
      backgroundColor: new Color(0xFF26C6DA),
    ),
    body: new ListView  (
      children: <Widget>[
        new Card(
          child: new Container(
            padding: new EdgeInsets.symmetric(horizontal: 16.0, vertical: 18.0),
            child: new Row(
              children: <Widget>[
                new Container(
                  padding: new EdgeInsets.only(right: 24.0),
                  child: new CircleAvatar(
                    backgroundColor: new Color(0xFFF5F5F5),
                    radius: 16.0,
                  )
                ),
                new Container(
                  padding: new EdgeInsets.only(right: 13.0),
                  child: new Text(
                    'Text lar...',
                    overflow: TextOverflow.ellipsis,
                    style: new TextStyle(
                      fontSize: 13.0,
                      fontFamily: 'Roboto',
                      color: new Color(0xFF212121),
                      fontWeight: FontWeight.bold,
                    ),
                  ),
                ),
                new Container(
                  child: new Column(
                    crossAxisAlignment: CrossAxisAlignment.end,
                    children: <Widget>[
                      new Row(
                        children: <Widget>[
                          new Text(
                            'Bill  ',
                            style: new TextStyle(
                              fontSize: 12.0,
                              fontFamily: 'Roboto',
                              color: new Color(0xFF9E9E9E)
                            ),
                          ),
                          new Text(
                            '\$ -999.999.999,95',
                            style: new TextStyle(
                              fontSize: 14.0,
                              fontFamily: 'Roboto',
                              color: new Color(0xFF212121)
                            ),
                          ),
                        ],
                      ),
                      new Row(
                        children: <Widget>[
                          new Text(
                            'Limit  ',
                            style: new TextStyle(
                              fontSize: 12.0,
                              fontFamily: 'Roboto',
                              color: new Color(0xFF9E9E9E)
                            ),
                          ),
                          new Text(
                            'R\$ 900.000.000,95',
                            style: new TextStyle(
                              fontSize: 14.0,
                              fontFamily: 'Roboto',
                              color: new Color(0xFF9E9E9E)
                            ),
                          ),
                        ],
                      ),
                    ]
                  )
                )
              ],
            ),
          )
        ),
      ]
    )
  );
}

结果:

预期:


当前回答

我认为父容器需要被赋予适当大小的maxWidth。看起来文本框会填充上面给出的任何空间。

其他回答

行内文本

1. 第1列的文本首选项>第2列

Row(
  crossAxisAlignment: CrossAxisAlignment.start,
  children: const [
    Text(
      "This is very very  long text in column 1 of Row",
      style: TextStyle(
          overflow: TextOverflow.ellipsis, backgroundColor: Colors.green),
    ),
    Flexible(
      child: Text("This is very very  long text in column 2 of Row",
          style: TextStyle(
              overflow: TextOverflow.ellipsis,
              backgroundColor: Colors.yellow)),
    )
  ],
)

2. 第2列的文本首选项>第1列

   Row(
     crossAxisAlignment: CrossAxisAlignment.start,
     children: const [
        Flexible(
          child: Text(
             "This is very very  long text in column 1 of Row",
             style: TextStyle(overflow: TextOverflow.ellipsis,  backgroundColor: Colors.green),
          ),
        ),
       Text("This is very very  long text in column 2 of Row",
        style: TextStyle(overflow: TextOverflow.ellipsis, backgroundColor: Colors.yellow))
    ],
   )

3.相同的喜好

Row(
  crossAxisAlignment: CrossAxisAlignment.start,
  children: const [
    Flexible(
      child: Text(
        "This is very very  long text in column 1 of Row",
        style: TextStyle(
            overflow: TextOverflow.ellipsis, backgroundColor: Colors.green),
      ),
    ),
    Flexible(
      child: Text("This is very very  long text in column 2 of Row",
          style: TextStyle(
              overflow: TextOverflow.ellipsis,
              backgroundColor: Colors.yellow)),
    )
  ],
)

列内的文本

定义maxLine属性。

Column(
  crossAxisAlignment: CrossAxisAlignment.start,
  children: const [
    Text(
      "This is very very very very very very very very very very very very very very very very very  long text in Row 1 of Column",
      maxLines: 2,
      style: TextStyle(
          backgroundColor: Colors.green, overflow: TextOverflow.ellipsis),
    ),
    Text("This is very very  long text in Row 2 of Column",
        style: TextStyle(
            overflow: TextOverflow.ellipsis,
            backgroundColor: Colors.yellow))
  ],
)

注意:如果你的要求是显示条目内容而不溢出,但不打乱约束,删除溢出属性,但保持Flexible不变:

Row(
  crossAxisAlignment: CrossAxisAlignment.start,
  children: const [
    Flexible(
      child: Text(
        "This is very very  long text in column 1 of Row",
        style: TextStyle(backgroundColor: Colors.green),
      ),
    ),
    Flexible(
      child: Text("This is very very  long text in column 2 of Row",
          style: TextStyle(
              overflow: TextOverflow.ellipsis,
              backgroundColor: Colors.yellow)),
    )
  ],
)

包装谁的子元素在一行或列中,请包装您的列或行是新的Flexible();

https://github.com/flutter/flutter/issues/4128

用Expanded()包装容器

Expanded (child: Container(
                  padding: new EdgeInsets.only(right: 24.0),
                  child: new CircleAvatar(
                    backgroundColor: new Color(0xFFF5F5F5),
                    radius: 16.0,
                  )
                ),
                new Container(
                  padding: new EdgeInsets.only(right: 13.0),
                  child: new Text(
                    'Text lar...',
                    overflow: TextOverflow.ellipsis,
                    style: new TextStyle(
                      fontSize: 13.0,
                      fontFamily: 'Roboto',
                      color: new Color(0xFF212121),
                      fontWeight: FontWeight.bold,
                    ),
                  ),
),

我们首先用容器包装文本,然后用灵活的小部件包装容器,使文本省略号走到第二行

 Container(

            height: SizeConfig.blockSizeVertical * 10,
            width: SizeConfig.blockSizeHorizontal * 88,

            child: Row(
              crossAxisAlignment:
              CrossAxisAlignment.start,
              children: [
                PicClipper(height: 50, width:50, circularRadius: 30, circularImage:imageUrl[index]),
                SizedBox(
                  width:
                  SizeConfig.blockSizeHorizontal * 3,
                ),
                Flexible(
                  child: Container(
                    child: const
                    AppText
                      (
                      fontSize: 12,
                      fontWeight: FontWeight.normal,
                      text:
                      'Lorem ipsum dolor sit amet,consectetur adipiscing elit.Lorem ipsum dolor sit amet,consectetur adipiscing elit.',
                      fontStyle: FontStyle.normal,
                      textColor: AppColors.blackTextColor,
                      textOverflow: TextOverflow.ellipsis,
                      fontFamily: "Poppins",
                      maxLine: 3,
                      textAlign: TextAlign.start,
                    ),
                  ),
                ),

              ],
            ),
          ),

在列中,我们通过使用flexibale widget包装列来实现文本省略,

 Container(
            height: SizeConfig.blockSizeVertical * 20,
            width: SizeConfig.blockSizeHorizontal * 88,
            child: Flexible(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  PicClipper(
                      height: 50,
                      width: 50,
                      circularRadius: 30,
                      circularImage: imageUrl[index]),
                  SizedBox(
                    width: SizeConfig.blockSizeHorizontal * 3,
                  ),
                  const Text(
                    fontSize: 12,
                    fontWeight: FontWeight.normal,
                    text:
                        'Lorem ipsum dolor sit amet,consectetur adipiscing elit.Lorem ipsum dolor sit amet,consectetur adipiscing elit.',
                    fontStyle: FontStyle.normal,
                    textColor: AppColors.blackTextColor,
                    overflow: TextOverflow.ellipsis,
                    fontFamily: "Poppins",
                    maxLine: 3,
                    textAlign: TextAlign.start,
                  ),
                ],
              ),
            ),
          ),