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Description:

json editor flutter

JsonEditor class #
Edit your JSON object with this package. Create, edit and format objects using this user friendly widget.
See the sample below for an example.
JsonEditor Live Demo #
Screenshot #

Getting started #

Add the package in your flutter project. Run this command in terminal flutter pub add json_editor_flutter.
Import the package import 'package:json_editor_flutter/json_editor_flutter.dart';.

Using JsonEditor #
JSON can be edited in two ways, Tree editor or text editor. You can disable either of them.
When UI editor is active, you can disable adding/deleting keys by using enableMoreOptions. Editing keys and values can also be disabled by using enableKeyEdit and enableValueEdit.
When text editor is active, it will simply ignore enableMoreOptions, enableKeyEdit and enableValueEdit.
duration is the debounce time for onChanged function. Defaults to 500 milliseconds.
editors is the supported list of editors. First element will be used as default editor. Defaults to [Editors.tree, Editors.text].
Example #
JsonEditor(
onChanged: (value) {
// Do something
},
json: jsonEncode({
"name": "John Doe",
"age": 24,
"hobbies": ["Reading", "Coding"],
"address": {
"street": "Main Street",
"number": 1234567890,
"city": "New York"
}
}),
)
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Enums #
Supported editors for JSON Editor.
enum Editors { tree, text }
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Customization #
expandedObjects #
[expandedObjects] refers to the objects that will be expanded by default. Index can be provided when the data is a List.
data = {
"hobbies": ["Reading books", "Playing Cricket"],
"education": [
{"name": "Bachelor of Engineering", "marks": 75},
{"name": "Master of Engineering", "marks": 72},
],
}
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For the given data

To expand education pass => ["education"]
To expand hobbies and education pass => ["hobbies", "education"]
To expand the first element (index 0) of education list, this means we need to expand education too. In this case you need not to pass "education" separately. Just pass a list of all nested objects => [["education", 0]]

JsonEditor(
expandedObjects: const [
"hobbies",
["education", 0] // expands nested object in `education`
],
onChanged: (_) {},
json: jsonEncode(data),
)
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Properties #

Property
Type
Default Value
Description

json
String
required
JSON object to be edited

onChanged
Function
required
Callback function that will be called with the new data

duration
Duration
500 ms
Debounce duration for onChanged function

enableMoreOptions
bool
true
Enables more options like adding or deleting data

enableKeyEdit
bool
true
Enables editing of keys

enableValueEdit
bool
true
Enables editing of values

themeColor
Color?
null
Theme color for the editor, changes the border color and header color

editors
List
[tree, text]
List of supported editors, first element will be used as default editor

actions
List<Widget>
[]
A list of Widgets to display in a row at the end of header

enableHorizontalScroll
bool
false
Enables horizontal scroll for the tree view

searchDuration
Duration
500 ms
Debounce duration for search function

hideEditorsMenuButton
bool
false
Hides the option of changing editor

expandedObjects
List
[]
List of objects to expand by default

Additional information #

You can raise an issue/feature request on github Json Editor Issues

Please leave a like if you find this package useful. 👍