flutter_candlesticks .Elegant OHLC Candlestick and Trade Volume charts for Flutter
Install for Flutter with pub.
Property | Description |
---|---|
data | Required. List of maps containing open, high, low, close and volumeto |
enableGridLines | Required. Enable or disable grid lines |
volumeProp | Required. Proportion of container to be given to volume bars |
lineWidth | Default 1.0 . Width of most lines |
gridLineAmount | Default 5 . Number of grid lines to draw. Labels automatically assigned |
gridLineWidth | Default 0.5 . Width of grid lines |
gridLineColor | Default Colors.grey . Color of grid lines |
gridLineLabelColor | Default Colors.grey . Color of grid line labels |
labelPrefix | Default "$" . Prefix before grid line labels. |
increaseColor | Default Colors.green . Color of increasing candles. |
decreaseColor | Default Colors.red . Color of decreasing candles. |
new OHLCVGraph(
data: sampleData,
enableGridLines: false,
volumeProp: 0.2
)
)
Candle size dynamically changes by amount of data
new OHLCVGraph(
data: sampleData,
enableGridLines: true,
volumeProp: 0.2,
gridLineAmount: 5,
gridLineColor: Colors.grey[300],
gridLineLabelColor: Colors.grey
)
)
import 'package:flutter/material.dart';
import 'package:flutter_candlesticks/flutter_candlesticks.dart';
void main() {
List sampleData = [
{"open":50.0, "high":100.0, "low":40.0, "close":80, "volumeto":5000.0},
{"open":80.0, "high":90.0, "low":55.0, "close":65, "volumeto":4000.0},
{"open":65.0, "high":120.0, "low":60.0, "close":90, "volumeto":7000.0},
{"open":90.0, "high":95.0, "low":85.0, "close":80, "volumeto":2000.0},
{"open":80.0, "high":85.0, "low":40.0, "close":50, "volumeto":3000.0},
];
runApp(
new MaterialApp(
home: new Scaffold(
body: new Center(
child: new Container(
height: 500.0,
child: new OHLCVGraph(
data: sampleData,
enableGridLines: false,
volumeProp: 0.2
),
),
),
)
)
);
}
Author: trentpiercy
GitHub: https://github.com/trentpiercy/flutter-candlesticks
#flutter #dart #programming