k_chart_pw

Description:

k chart pw

#Introduce
We forked the project from https://github.com/OpenFlutter/k_chart
and add some function to meet our requirments.
all the version below are the version we released.
[0.5.1] #

added the function that will show buy sell signal on the charts

[0.5.2] #

support set scale-x from parameter when build widget.it solve the problem that on the flutter web,the gesture scale not work.

[0.5.3] #

support extra line draw on the charts

[0.5.4] #

support extra text label draw on the charts

[0.5.5] #

support text scale parameter in text label

[0.5.6] #

support line stroke width parameter

how to publish: #
https://dart.cn/tools/pub/publishing

pubspec.yaml modify
CHANGELOG.md modify
run command:

dart pub publish --dry-run
dart pub publish




Raw README.md from forked project #
k_chart #
Maybe this is the best k chart in Flutter.Support drag,scale,long press,fling.And easy to use.
display #
image



gif


Getting Started #
Install
dependencies:
k_chart: ^0.5.0
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or use latest：
k_chart:
git:
url: https://github.com/mafanwei/k_chart
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Usage
When you change the data, you must call this:
DataUtil.calculate(datas); //This function has some optional parameters: n is BOLL N-day closing price. k is BOLL param.
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use k line chart:
Container(
height: 450,
width: double.infinity,
child: KChartWidget(
chartStyle, // Required for styling purposes
chartColors,// Required for styling purposes
datas,// Required，Data must be an ordered list，(history=>now)
isLine: isLine,// Decide whether it is k-line or time-sharing
mainState: _mainState,// Decide what the main view shows
secondaryState: _secondaryState,// Decide what the sub view shows
fixedLength: 2,// Displayed decimal precision
timeFormat: TimeFormat.YEAR_MONTH_DAY,
onLoadMore: (bool a) {},// Called when the data scrolls to the end. When a is true, it means the user is pulled to the end of the right side of the data. When a
// is false, it means the user is pulled to the end of the left side of the data.
maDayList: [5,10,20],// Display of MA,This parameter must be equal to DataUtil.calculate‘s maDayList
bgColor: [Colors.black, Colors.black],// The background color of the chart is gradient
translations: kChartTranslations,// Graphic language
volHidden: false,// hide volume
showNowPrice: true,// show now price
isOnDrag: (isDrag){},// true is on Drag.Don't load data while Draging.
onSecondaryTap:(){}// on secondary rect taped.
),
),
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use TrendLine(New): You can use Trendline by long-pressing and moving your finger after setting true to isTrendLine property.
use depth chart:
DepthChart(_bids, _asks, chartColors) //Note: Datas must be an ordered list，
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Donate
Buy a cup of coffee for the author.


Thanks
gwhcn/flutter_k_chart
Other
Maybe there are some bugs in this k chart,or you want new indicators,you can create a pull request.I will happy to accept it and I hope we can make it better.

The version of fork