flutter pub add rich_readmore根據套件公開資料產生的選型評估，僅供參考。
RichReadMore 是一個 Flutter 小部件，專門用於以智慧的「顯示更多」或「顯示更少」切換方式顯示文字。它支援豐富的文字格式，並根據內容長度和使用者偏好動態調整。非常適合以乾淨、互動的方式顯示長段文字片段，提升可讀性而不會讓介面過於擁擠。此小部件可自訂，並可在所有主要平台（包括行動裝置、網頁和桌面）上運作。
以下為關聯原始碼儲存庫的 README 原文快照，最新內容請造訪原始碼儲存庫。
A widget that displays text with an option to show more or show less based on the provided settings.
The RichReadMoreText widget allows you to trim text either based on the character length or the number of lines.
When the text is longer than the specified trim length or exceeds the maximum number of lines, it provides a toggle option to show more or show less of the text.
It has two options for settings, the LineModeSettings or LengthModeSettings for trimming using the behavior that you want.
If you want to pass a string directly instead of a TextSpan, you can just be using the the RichReadMoreText.fromString(...). There are some examples for that below.
import:
import 'package:rich_readmore/rich_readmore.dart';
For TextSpan data:
RichReadMoreText(
textSpan,
settings: LineModeSettings(
trimLines: 3,
trimCollapsedText: 'Expand',
trimExpandedText: ' Collapse ',
onPressReadMore: () {
/// specific method to be called on press to show more
},
onPressReadLess: () {
/// specific method to be called on press to show less
},
),
),
Or for String data:
RichReadMoreText.fromString(
text: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
textStyle: TextStyle(color: Colors.purpleAccent),
settings: LengthModeSettings(
trimLength: 20,
trimCollapsedText: 'Expand',
trimExpandedText: ' Collapse ',
onPressReadMore: () {
/// specific method to be called on press to show more
},
onPressReadLess: () {
/// specific method to be called on press to show less
},
lessStyle: TextStyle(color: Colors.blue),
moreStyle: TextStyle(color: Colors.blue),
),
),
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