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RichText | Android平台下的富文本解析器,支持Html和Markdown

 by   zzhoujay Java Version: Current License: MIT

 by   zzhoujay Java Version: Current License: MIT

Download this library from

kandi X-RAY | RichText Summary

RichText is a Java library typically used in Utilities applications. RichText has build file available, it has a Permissive License and it has medium support. However RichText has 2 bugs and it has 8 vulnerabilities. You can download it from GitHub.
Android平台下的富文本解析器,支持Html和Markdown
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • RichText has a medium active ecosystem.
  • It has 3651 star(s) with 533 fork(s). There are 97 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 130 open issues and 251 have been closed. On average issues are closed in 123 days. There are 2 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of RichText is current.
RichText Support
Best in #Java
Average in #Java
RichText Support
Best in #Java
Average in #Java

quality kandi Quality

  • RichText has 2 bugs (0 blocker, 0 critical, 1 major, 1 minor) and 177 code smells.
RichText Quality
Best in #Java
Average in #Java
RichText Quality
Best in #Java
Average in #Java

securitySecurity

  • RichText has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • RichText code analysis shows 8 unresolved vulnerabilities (0 blocker, 6 critical, 2 major, 0 minor).
  • There are 12 security hotspots that need review.
RichText Security
Best in #Java
Average in #Java
RichText Security
Best in #Java
Average in #Java

license License

  • RichText is licensed under the MIT License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
RichText License
Best in #Java
Average in #Java
RichText License
Best in #Java
Average in #Java

buildReuse

  • RichText releases are not available. You will need to build from source code and install.
  • Build file is available. You can build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
  • RichText saves you 2384 person hours of effort in developing the same functionality from scratch.
  • It has 5199 lines of code, 441 functions and 104 files.
  • It has medium code complexity. Code complexity directly impacts maintainability of the code.
RichText Reuse
Best in #Java
Average in #Java
RichText Reuse
Best in #Java
Average in #Java
Top functions reviewed by kandi - BETA

kandi has reviewed RichText and discovered the below as its top functions. This is intended to give you an instant insight into RichText implemented functionality, and help decide if they suit your requirements.

  • Touch event .
  • Set the list view .
  • Handle the image .
  • Calculates image width and height
  • Called when the image is ready .
  • Called when the image has failed .
  • Analyze image .
  • Removes spans from the clickable string builder .
  • Set the cache directory .
  • Read a drawable size holder .

RichText Key Features

Android平台下的富文本解析器,支持Html和Markdown

gradle中引用的方法

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compile 'com.zzhoujay.richtext:richtext:latest-version'

使用新的Html解析器

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compile 'com.zzhoujay:html:latest-version'

注意

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textView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);

License

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The MIT License (MIT)

Copyright (c) 2016 zzhoujay

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

How can I align TextSpan children which have different sizes, along the middle in Flutter?

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Container(
  decoration: BoxDecoration(
    color: Colors.amber,
  ),
  alignment: Alignment.center,
  child: RichText(
    text: TextSpan(
      children: [
        buildCenteredTextSpan(text: 'Let\s', style: TextStyle(fontSize: 30)),
        buildCenteredTextSpan(text: '500', style: TextStyle(fontSize: 80)),
        buildCenteredTextSpan(text: 'Words', style: TextStyle(fontSize: 30)),
      ],
    ),
  ),
),
  WidgetSpan buildCenteredTextSpan({required String text, required TextStyle style}) {
    return WidgetSpan(
      alignment: PlaceholderAlignment.middle,
      child: Text(text, style: style),
    );
  }
-----------------------
Container(
  decoration: BoxDecoration(
    color: Colors.amber,
  ),
  alignment: Alignment.center,
  child: RichText(
    text: TextSpan(
      children: [
        buildCenteredTextSpan(text: 'Let\s', style: TextStyle(fontSize: 30)),
        buildCenteredTextSpan(text: '500', style: TextStyle(fontSize: 80)),
        buildCenteredTextSpan(text: 'Words', style: TextStyle(fontSize: 30)),
      ],
    ),
  ),
),
  WidgetSpan buildCenteredTextSpan({required String text, required TextStyle style}) {
    return WidgetSpan(
      alignment: PlaceholderAlignment.middle,
      child: Text(text, style: style),
    );
  }

Word VBA Insert a table of contents building block

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ActiveDocument.AttachedTemplate.BuildingBlockEntries("TOC1").Insert Where:=Selection.Range, RichText:=True
-----------------------
Sub InsertTOC()
   Dim path As String
   Application.Templates.LoadBuildingBlocks
   path = Environ$("USERPROFILE") & "\AppData\Roaming\Microsoft\Document Building Blocks\1033\16\Built-In Building Blocks.dotx"
   Application.Templates(path).BuildingBlockEntries("Automatic Table 1").Insert Where:=Selection.Range, RichText:=True
End Sub
-----------------------
Sub InsertMyBB()
'  Will not work if there are multiple building blocks with the same name in the template! See below.
'
   Dim sBBName As String
   sBBName = "MyBB"
   On Error GoTo Oops
   Application.Templates.LoadBuildingBlocks ' Thank you Timothy Rylatt!
   Application.Templates(ThisDocument.FullName).BuildingBlockEntries(sBBName).Insert _
      Where:=Selection.Range, _
      RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      ThisDocument.Name & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'
' Assumes that the Building Block is of the type AutoText (wdTypeAutoText) in Category "General"
' See https://msdn.microsoft.com/en-us/library/bb243303(v=office.12).aspx
'
' This is based in part upon contributions from Greg Maxey and Jay Freedman - any errors remain mine
' Written by Charles Kenyon February 2016
'
   Dim sBBName As String
   Dim sTempName As String
   Dim oBB As BuildingBlock
   sBBName = "MyBB" 'use the name of your building block instead of "MyBB"
   sTempName = ThisDocument.FullName ' puts name and full path of template in string variable
   On Error Resume Next
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Set oBB = Application.Templates(sTempName).BuildingBlockTypes(wdTypeAutoText) _
      .Categories("General").BuildingBlocks(sBBName)
   If Err.Number = 0 Then
      oBB.Insert Selection.Range, True
   Else
      MsgBox Prompt:="The Building Block '" & sBBName & "' cannot be found in " & _
         ThisDocument.Name & ".", Title:="Didn't Work!"
   End If
   On Error GoTo 0
lbl_Exit:
   Exit Sub
End Sub
Sub InsertMyBB()
'  Will not work if the Startup Folder is the root directory of a drive, i.e. C:\
'  For use with building block stored in a template loaded in the Word Startup Folder that does NOT hold this macro
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Dim sBBName As String
   Dim sTemplateName as String
   Dim sStartupPath as String
   sBBName = "MyBB"
   sTemplateName="MyBBTemplate.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'  Based on code by Greg Maxey and Jay Freedman
'  For use with building block stored in the default custom building blocks file "Building Blocks.dotx"
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Templates.LoadBuildingBlocks ' in case building blocks not yet accessed
   Dim sBBName As String
   Dim sStartupPath as String
   Dim sTemplateName as String
   sBBName = "MyBB"
   sTemplateName="Building Blocks.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
-----------------------
Sub InsertMyBB()
'  Will not work if there are multiple building blocks with the same name in the template! See below.
'
   Dim sBBName As String
   sBBName = "MyBB"
   On Error GoTo Oops
   Application.Templates.LoadBuildingBlocks ' Thank you Timothy Rylatt!
   Application.Templates(ThisDocument.FullName).BuildingBlockEntries(sBBName).Insert _
      Where:=Selection.Range, _
      RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      ThisDocument.Name & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'
' Assumes that the Building Block is of the type AutoText (wdTypeAutoText) in Category "General"
' See https://msdn.microsoft.com/en-us/library/bb243303(v=office.12).aspx
'
' This is based in part upon contributions from Greg Maxey and Jay Freedman - any errors remain mine
' Written by Charles Kenyon February 2016
'
   Dim sBBName As String
   Dim sTempName As String
   Dim oBB As BuildingBlock
   sBBName = "MyBB" 'use the name of your building block instead of "MyBB"
   sTempName = ThisDocument.FullName ' puts name and full path of template in string variable
   On Error Resume Next
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Set oBB = Application.Templates(sTempName).BuildingBlockTypes(wdTypeAutoText) _
      .Categories("General").BuildingBlocks(sBBName)
   If Err.Number = 0 Then
      oBB.Insert Selection.Range, True
   Else
      MsgBox Prompt:="The Building Block '" & sBBName & "' cannot be found in " & _
         ThisDocument.Name & ".", Title:="Didn't Work!"
   End If
   On Error GoTo 0
lbl_Exit:
   Exit Sub
End Sub
Sub InsertMyBB()
'  Will not work if the Startup Folder is the root directory of a drive, i.e. C:\
'  For use with building block stored in a template loaded in the Word Startup Folder that does NOT hold this macro
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Dim sBBName As String
   Dim sTemplateName as String
   Dim sStartupPath as String
   sBBName = "MyBB"
   sTemplateName="MyBBTemplate.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'  Based on code by Greg Maxey and Jay Freedman
'  For use with building block stored in the default custom building blocks file "Building Blocks.dotx"
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Templates.LoadBuildingBlocks ' in case building blocks not yet accessed
   Dim sBBName As String
   Dim sStartupPath as String
   Dim sTemplateName as String
   sBBName = "MyBB"
   sTemplateName="Building Blocks.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
-----------------------
Sub InsertMyBB()
'  Will not work if there are multiple building blocks with the same name in the template! See below.
'
   Dim sBBName As String
   sBBName = "MyBB"
   On Error GoTo Oops
   Application.Templates.LoadBuildingBlocks ' Thank you Timothy Rylatt!
   Application.Templates(ThisDocument.FullName).BuildingBlockEntries(sBBName).Insert _
      Where:=Selection.Range, _
      RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      ThisDocument.Name & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'
' Assumes that the Building Block is of the type AutoText (wdTypeAutoText) in Category "General"
' See https://msdn.microsoft.com/en-us/library/bb243303(v=office.12).aspx
'
' This is based in part upon contributions from Greg Maxey and Jay Freedman - any errors remain mine
' Written by Charles Kenyon February 2016
'
   Dim sBBName As String
   Dim sTempName As String
   Dim oBB As BuildingBlock
   sBBName = "MyBB" 'use the name of your building block instead of "MyBB"
   sTempName = ThisDocument.FullName ' puts name and full path of template in string variable
   On Error Resume Next
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Set oBB = Application.Templates(sTempName).BuildingBlockTypes(wdTypeAutoText) _
      .Categories("General").BuildingBlocks(sBBName)
   If Err.Number = 0 Then
      oBB.Insert Selection.Range, True
   Else
      MsgBox Prompt:="The Building Block '" & sBBName & "' cannot be found in " & _
         ThisDocument.Name & ".", Title:="Didn't Work!"
   End If
   On Error GoTo 0
lbl_Exit:
   Exit Sub
End Sub
Sub InsertMyBB()
'  Will not work if the Startup Folder is the root directory of a drive, i.e. C:\
'  For use with building block stored in a template loaded in the Word Startup Folder that does NOT hold this macro
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Dim sBBName As String
   Dim sTemplateName as String
   Dim sStartupPath as String
   sBBName = "MyBB"
   sTemplateName="MyBBTemplate.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'  Based on code by Greg Maxey and Jay Freedman
'  For use with building block stored in the default custom building blocks file "Building Blocks.dotx"
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Templates.LoadBuildingBlocks ' in case building blocks not yet accessed
   Dim sBBName As String
   Dim sStartupPath as String
   Dim sTemplateName as String
   sBBName = "MyBB"
   sTemplateName="Building Blocks.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
-----------------------
Sub InsertMyBB()
'  Will not work if there are multiple building blocks with the same name in the template! See below.
'
   Dim sBBName As String
   sBBName = "MyBB"
   On Error GoTo Oops
   Application.Templates.LoadBuildingBlocks ' Thank you Timothy Rylatt!
   Application.Templates(ThisDocument.FullName).BuildingBlockEntries(sBBName).Insert _
      Where:=Selection.Range, _
      RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      ThisDocument.Name & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'
' Assumes that the Building Block is of the type AutoText (wdTypeAutoText) in Category "General"
' See https://msdn.microsoft.com/en-us/library/bb243303(v=office.12).aspx
'
' This is based in part upon contributions from Greg Maxey and Jay Freedman - any errors remain mine
' Written by Charles Kenyon February 2016
'
   Dim sBBName As String
   Dim sTempName As String
   Dim oBB As BuildingBlock
   sBBName = "MyBB" 'use the name of your building block instead of "MyBB"
   sTempName = ThisDocument.FullName ' puts name and full path of template in string variable
   On Error Resume Next
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Set oBB = Application.Templates(sTempName).BuildingBlockTypes(wdTypeAutoText) _
      .Categories("General").BuildingBlocks(sBBName)
   If Err.Number = 0 Then
      oBB.Insert Selection.Range, True
   Else
      MsgBox Prompt:="The Building Block '" & sBBName & "' cannot be found in " & _
         ThisDocument.Name & ".", Title:="Didn't Work!"
   End If
   On Error GoTo 0
lbl_Exit:
   Exit Sub
End Sub
Sub InsertMyBB()
'  Will not work if the Startup Folder is the root directory of a drive, i.e. C:\
'  For use with building block stored in a template loaded in the Word Startup Folder that does NOT hold this macro
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Dim sBBName As String
   Dim sTemplateName as String
   Dim sStartupPath as String
   sBBName = "MyBB"
   sTemplateName="MyBBTemplate.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates.LoadBuildingBlocks  ' thank you Timothy Rylatt
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub
Sub InsertMyBB()
'  Based on code by Greg Maxey and Jay Freedman
'  For use with building block stored in the default custom building blocks file "Building Blocks.dotx"
'  Will not work if there are multiple building blocks with the same name in the template!
'
   Templates.LoadBuildingBlocks ' in case building blocks not yet accessed
   Dim sBBName As String
   Dim sStartupPath as String
   Dim sTemplateName as String
   sBBName = "MyBB"
   sTemplateName="Building Blocks.dotx"
   sStartupPath = Application.Options.DefaultFilePath(wdStartupPath)
   On Error GoTo Oops ' error handler
   Application.Templates(sStartupPath & "\" & sTemplateName).BuildingBlockEntries(sBBName) _
      .Insert Where:=Selection.Range, RichText:=True ' Insert MyBB Building Block
   Exit Sub ' We're done here
Oops: ' Didn't work - building block not there!
   MsgBox Prompt:="The Building Block " & sBBName & " cannot be found in " & _
      sTemplateName & ".", Title:="Didn't Work!"
   On Error GoTo 0
End Sub

How to highlight searched words in Flutter

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class _MyWidgetState extends State<MyWidget> {
  String _text;
  
  static const List<String> _texts = [
    // At the start of the text
    "Flutter - Beautiful native apps in record time",
    // Enclosed with quotes
    "Newest 'flutter' Questions - StackOverflow",
    // At the middle of the text
    "Github: Flutter makes it easy and fast to deploy..."
  ];
  
  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        TextFormField(
          // Every time you type in the text field, update
          // the widget with the new text to search
          onChanged: (text) => setState(() => _text = text)
        ),
        ..._texts.map((text) {
          // If no text was typed, return the text itself
          if (_text == null) return Text(text);
          
          // Find the start index of the search text
          final int i = text.toLowerCase()
            .indexOf(_text.toLowerCase());
          
          // If text is not present, return the text itself
          if (i == -1) return Text(text);

          return RichText(
            text: TextSpan(
              style: TextStyle(
                color: Colors.black,
                fontSize: 15,
              ),
              children: [
                // From the start of the text to the start of
                // the search text, make it the default style
                TextSpan(text: text.substring(0, i)),
                // From the start of the search text to the end
                // of the search text, make it the bold style
                TextSpan(
                  text: text.substring(i, i + _text.length),
                  style: TextStyle(fontWeight: FontWeight.bold)
                ),
                // From the end of the search text to the end
                // of the text, make it the default style
                TextSpan(text: text.substring(i + _text.length)),
              ]
            )
          );
        }),
      ]
    );
  }
}
-----------------------
String highlightWord(String query, String text) {
     String result = text.replaceFirst('$query', '<b>$query</b>');
     return result;
   }
Html(data: highlightWord(query, suggestionList[index].name)
-----------------------
String highlightWord(String query, String text) {
     String result = text.replaceFirst('$query', '<b>$query</b>');
     return result;
   }
Html(data: highlightWord(query, suggestionList[index].name)

Flutter Firebase: data updating in Firebase, but not showing the counter update on the screen automatically

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StreamBuilder(
    stream: Firestore.instance.collection...// finish this part to get your snapshot of total upvotes from your collection,
    builder: (context, snapshot) {
         if(snapshot.hasData) {
     return RichText(
      text: TextSpan(
        style: TextStyle(color: Colors.black, fontSize: 20.0),
        children: <TextSpan>[
          TextSpan(
              text: upvotes[index].toString() + ' upvotes',
              style: TextStyle(color: Colors.blue),
              recognizer: TapGestureRecognizer()
                ..onTap = () {
                  print('This will take to upvoters of the photo');
                }),
               ],
             ),
          );
         }
   else {
    // handle no data
   }
 },
);

Aligning text using RichText in flutter

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Container(
            padding: EdgeInsets.all(10),
            child: Center(
              child: RichText(
                text: TextSpan(children: [
                  WidgetSpan(
                      child: Transform.translate(
                          offset: const Offset(0.0, -7.0), child:                               
                    Text("Rs"))),
                  TextSpan(
                      text: '1,500',
                      style: TextStyle(color: Colors.black,                             
                        fontSize: 18,fontWeight:FontWeight.bold),
                      recognizer: TapGestureRecognizer()
                        ..onTap = () {
                          // navigate to desired screen
                        })
                ]),
              ),
            ))

How to read inline-styles from WxPython

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const wxRichTextBuffer& buffer = m_richText1->GetBuffer();
std::deque<const wxRichTextObject*> objects;
objects.push_front(&buffer);

while ( !objects.empty() )
{
    const wxRichTextObject* curObject = objects.front();
    objects.pop_front();

    if ( !curObject->IsComposite() )
    {
        wxRichTextRange range = curObject->GetRange();
        const wxRichTextAttr& attr = curObject->GetAttributes();

        // Do something with range and attr here.
    }
    else
    {
        // This is a composite object. Add its children to the queue.
        // The children are added in reverse order to do a depth first walk.
        const wxRichTextCompositeObject* curComposite =
            static_cast<const wxRichTextCompositeObject*>(curObject);

        size_t childCount = curComposite->GetChildCount() ;

        for ( int i = childCount - 1 ; i >= 0 ; --i )
        {
            objects.push_front(curComposite->GetChild(i));
        }
    }
}

unexpected null value Flutter

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final Products instanceOfProductsClass = Products(name: 'name', discription: 'discription', image: 'image');
//now using this inscance, access the list. 
final list = instanceOfProductsClass.products;

String image = list[0].image;
String name = list[0].name;
String desc = list[0].discription;
class Product {


final String name, discription;
final String image;

//List has been removed from the class itself

Product({
    required this.name,
    required this.discription,
    required this.image,
  });
}
class BodyPage extends StatelessWidget {
final List<Product> products = [
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/port.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/Sheet.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
];

@override
Widget build(BuildContext context) {
String image = products[0].image;
String name = products[0].name;
String desc = products[0].discription;

return Container(....
-----------------------
final Products instanceOfProductsClass = Products(name: 'name', discription: 'discription', image: 'image');
//now using this inscance, access the list. 
final list = instanceOfProductsClass.products;

String image = list[0].image;
String name = list[0].name;
String desc = list[0].discription;
class Product {


final String name, discription;
final String image;

//List has been removed from the class itself

Product({
    required this.name,
    required this.discription,
    required this.image,
  });
}
class BodyPage extends StatelessWidget {
final List<Product> products = [
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/port.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/Sheet.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
];

@override
Widget build(BuildContext context) {
String image = products[0].image;
String name = products[0].name;
String desc = products[0].discription;

return Container(....
-----------------------
final Products instanceOfProductsClass = Products(name: 'name', discription: 'discription', image: 'image');
//now using this inscance, access the list. 
final list = instanceOfProductsClass.products;

String image = list[0].image;
String name = list[0].name;
String desc = list[0].discription;
class Product {


final String name, discription;
final String image;

//List has been removed from the class itself

Product({
    required this.name,
    required this.discription,
    required this.image,
  });
}
class BodyPage extends StatelessWidget {
final List<Product> products = [
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/port.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/Sheet.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
Product(
    name: 'Gaine Plastic',
    discription:
        'Les gaines ou fourreaux de protection utilisables dans l\'habitat 
dépendent de la norme NF C 15-100 relative aux installations électriques à 
basse tension ',
    image: 'assets/images/gainePlastic.png'),
];

@override
Widget build(BuildContext context) {
String image = products[0].image;
String name = products[0].name;
String desc = products[0].discription;

return Container(....
-----------------------
class Products {
  final String name, discription;
  final String image;
  
  Products({ 
    required this.name, 
    required this.discription, 
    required this.image,
  });
}

List<Products> products = [
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/gainePlastic.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/port.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/Sheet.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/gainePlastic.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/gainePlastic.png'),
  ];
  
class BodyPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
     String image = products[0].image;
     String name = products[0].name;
     String desc = products[0].discription;
     ...
  }
  ...
}

-----------------------
class Products {
  final String name, discription;
  final String image;
  
  Products({ 
    required this.name, 
    required this.discription, 
    required this.image,
  });
}

List<Products> products = [
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/gainePlastic.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/port.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/Sheet.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/gainePlastic.png'),
    Products(
        name: 'Gaine Plastic',
        discription:
            'Les gaines ou fourreaux de protection utilisables dans l\'habitat dépendent de la norme NF C 15-100 relative aux installations électriques à basse tension ',
        image: 'assets/images/gainePlastic.png'),
  ];
  
class BodyPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
     String image = products[0].image;
     String name = products[0].name;
     String desc = products[0].discription;
     ...
  }
  ...
}

Flutter Widget Testing: Can't Find Widget by Semantics Label in Test, Though it's Present in Dump

copy iconCopydownload iconDownload
      Finder findSelectedDay = find.bySemanticsLabel(RegExp(r"20 June 2021 Selected"));

Flutter - Cubit - loaded state - managing redirection to a page - 2 builds of the page are made

copy iconCopydownload iconDownload

BlocConsumer<AuthCubit,AuthState>(
  listener: (context, state) {
    if (state is AuthError) {
      myAuthBuildError(context, state.message);
    } //
    // Add this here.
    else if (state is AuthLoaded) {
      myAuthBuildLoaded(context);
    }
  },
  builder: (context, state) {
    if (state is AuthInitial) {
      return myAuthBuildInitial(context);
    } // 
    else if (state is AuthLoading) {
      return myAuthBuildLoading(context);
    } //
    // Remove this here.
    // else if (state is AuthLoaded) {
    //  return myAuthBuildLoaded(context);
    //} //
    else {
      // In case of error we call the initial widget here and we handle the
      // error with the above listener
      return myAuthBuildInitial(context);
    }
  },
),

Linked text to change screen flutter

copy iconCopydownload iconDownload
import 'package:flutter/material.dart';
import 'package:flutter/gestures.dart';
final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return RichText(
    text: TextSpan(
        children: [
          TextSpan(
              text: 'I do not have an account',
              style: TextStyle(color: Colors.black87)
          ),
          TextSpan(
              text: ' Create account',
              style: new TextStyle(color: Color.fromRGBO(24, 44, 228, 1)),
              recognizer: TapGestureRecognizer()
                  ..onTap = () {
                    Navigator.push(
                      context,
                      MaterialPageRoute(
                        builder: (context) => CreateAccount()),
              );
            }
          ),
        ]
    ),
    );
  }
}



class CreateAccount extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Create account'),
      ),
    );
    throw UnimplementedError();
  }
}
-----------------------
        InkWell(
          child: TextSpan(...),
          onTap: () {
            // Your logic here
          },
        )

Community Discussions

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QUESTION

How can I align TextSpan children which have different sizes, along the middle in Flutter?

Asked 2021-Jun-15 at 07:31

I have three TextSpan children as per the image attached - with the middle TextSpan object a larger font size.

I want all three TextSpan objects to be centered against the background parent.

When the fonts are all the same size they are aligned along the center horizontally. However when I increase the font size of one TextSpan, only the larger text object remains centered and the smaller two fonts fall to the larger font's base)...

I have tried different alignment properties but cannot work it out. Can this be done with TextSpan text?

Thanks!

screenshot

    return Container(
      decoration: BoxDecoration(
        color: Colors.amber,
      ),
        alignment: Alignment.center,
        child: RichText(
          textAlign: TextAlign.center,
          text: TextSpan(
            children: [
              TextSpan(text: 'Let\s', style: TextStyle(
                fontSize: 30,
              )),
              TextSpan(text: '500', style: TextStyle(fontSize: 80), ),
              TextSpan(text: 'Words', style: TextStyle(
                fontSize: 30,
              )),
            ]
          ),
        )
        );

ANSWER

Answered 2021-Jun-15 at 07:20

You can use WidgetSpans to make sure all your elements(text or not) are vertically centered

Container(
  decoration: BoxDecoration(
    color: Colors.amber,
  ),
  alignment: Alignment.center,
  child: RichText(
    text: TextSpan(
      children: [
        buildCenteredTextSpan(text: 'Let\s', style: TextStyle(fontSize: 30)),
        buildCenteredTextSpan(text: '500', style: TextStyle(fontSize: 80)),
        buildCenteredTextSpan(text: 'Words', style: TextStyle(fontSize: 30)),
      ],
    ),
  ),
),

and buildCenteredTextSpan:

  WidgetSpan buildCenteredTextSpan({required String text, required TextStyle style}) {
    return WidgetSpan(
      alignment: PlaceholderAlignment.middle,
      child: Text(text, style: style),
    );
  }

enter image description here

Source https://stackoverflow.com/questions/67981435

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install RichText

You can download it from GitHub.
You can use RichText like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the RichText component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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