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

首先,在Expanded小部件中包装行或列

Then

Text(
    'your long text here',
    overflow: TextOverflow.fade,
    maxLines: 1,
    softWrap: false,
    style: Theme.of(context).textTheme.body1,
)

其他回答

在包选型layout_widgets中有一个非常简单的类TextOneLine。

把你的课文放在那堂课上。

例如:

Row(
    crossAxisAlignment: CrossAxisAlignment.center,
    children: <Widget>[
      SvgPicture.asset(
        loadAsset(SVG_CALL_GREEN),
        width: 23,
        height: 23,
        fit: BoxFit.fill,
      ),
      SizedBox(width: 16),
      Expanded(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            TextOneLine(
              widget.firstText,
              style: findTextStyle(widget.firstTextStyle),
              textAlign: TextAlign.left,
            ),
            SizedBox(height: 4),
            TextOneLine(
              widget.secondText,
              style: findTextStyle(widget.secondTextStyle),
              textAlign: TextAlign.left,
            ),
          ],
        ),
      ),
      Icon(
        Icons.arrow_forward_ios,
        color: Styles.iOSArrowRight,
      )
    ],
  )

如果您只是将文本作为列的子(ren),这是自动换行文本的最简单方法。假设你没有更复杂的问题。在这些情况下,我认为您应该创建适合的容器大小,并在其中放入另一列,然后放入文本。这似乎工作得很好。容器希望缩小到其内容物的大小,这似乎与需要更多努力的包装自然冲突。

Column(
  mainAxisSize: MainAxisSize.min,
  children: <Widget>[
    Text('This long text will wrap very nicely if there isn\'t room beyond the column\'s total width and if you have enough vertical space available to wrap into.',
      style: TextStyle(fontSize: 16, color: primaryColor),
      textAlign: TextAlign.center,),
  ],
),

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,
                    ),
                  ),
),

如果您在Row a小部件中遇到问题,请尝试用Expanded包装Text小部件

Row(
  children: [
    Text('first'),
    Expanded(
      child: Text('a really long message...'),
    )
  ]
)

Try:

 Expanded(
  child: Container(
      child: Text('OVER FLOW TEST TEXTTTT',
          overflow: TextOverflow.fade)),
),

这将显示OVER FLOW。如果有溢出,将会被处理。