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react-native-xys-charts-wrapper

v1.0.0

Published

A react-native charts support both android and ios.

Downloads

5

Readme

React Native Charts Wrapper

This library is React Native wrapper of popular Native charting library MPAndroidChart and Charts

Introduction

Inspired by react-native-mp-android-chart and react-native-ios-charts

React Native Charts Wrapper is built on MPAndroidChart(v3.0.2) & Charts(v3.0.3), support both android & ios.

ANDROID

IOS

Supported Chart Type

  • Bar(Stack,Group)
  • Line
  • Scatter
  • Bubble
  • Pie
  • Radar
  • Combined
  • CandleStick

Setup

A step by step tutorial to set up a new project can be found here

Library can be easily installed using NPM:

npm install --save react-native-charts-wrapper

Additional setup is required because library is using native code.

ANDROID

1. Add Maven Repository

android/build.gradle

allprojects {
    repositories {
        ...

        maven { url "https://jitpack.io" }    // used for MPAndroidChart
    }
}

2. Add Maven Dependency

  • Mostly automatic install with react-native

    react-native link react-native-charts-wrapper
    	
  • Manual install

android/settings.gradle

include ':react-native-charts-wrapper'
project(':react-native-charts-wrapper').projectDir = new File(
  rootProject.projectDir,
  '../node_modules/react-native-charts-wrapper/android'
)

android/app/build.gradle

dependencies {
    ...
    compile project(':react-native-charts-wrapper')
}

MainApplication.java

On top where imports are:

import com.github.wuxudong.rncharts.MPAndroidChartPackage;

Add package in getPackages method:

protected List<ReactPackage> getPackages() {
    return Arrays.<ReactPackage>asList(
        new MainReactPackage(),
        new MPAndroidChartPackage()             // <----- Add this
    );
}

IOS

Your may be interested in this article Detail Guide provided by contributor

1. Add Source Files

create a group under your project top level and add files under directory node_modules/react-native-charts-wrapper/ios/ReactNativeCharts

2. Add Bridge File

When you add the files XCode should prompt you to create a bridging header if you haven't done so already, or you can create empty swift file to trigger xcode prompt. Create the bridging header and import the RCTViewManager.h. It should look something like this.

	#import "React/RCTBridge.h"
	#import "React/RCTViewManager.h"
	#import "React/RCTUIManager.h"
	#import "React/UIView+React.h"
	#import "React/RCTBridgeModule.h"
	#import "React/RCTEventDispatcher.h"
	#import "React/RCTEventEmitter.h"

You should make sure set this file in your target -> Build Settings -> Swift Compiler - General -> Object-C Bridging Header

3. Add Charts and SwiftyJSON

  • Mostly automatic install

add a Podfile to your ios directory with the following content. Then run pod install and open the generated .xcworkspace from now on in xcode.

use_frameworks!

target 'MyApp' do
  pod 'SwiftyJSON', '3.1.4'
  pod 'Charts', '3.0.3'
end

post_install do |installer|
  installer.pods_project.targets.each do |target|
    target.build_configurations.each do |config|
      config.build_settings['SWIFT_VERSION'] = '3.0'
    end
  end
end
  • Manual install
  1. Install SwiftyJSON and iOS Charts libraries and add SwiftyJSON.xcodeproj and Charts.xcodeproj files to your project.
  2. Under Build Phases, under Link Binary With Libraries, click the plus sign and add SwiftyJSON.framework and Charts.framework.
  3. Add the SwiftyJSON.framework and Charts.framework to the Embedded Binaries section in your app.
  4. In your project's build settings, go to build options and change the Embedded Content Contains Swift Code to Yes.

Usage

There are 8 supported charts with many configuration options. Almost all configuration available in base MPAndroidChart library are available through this wrapper. More details on available configuration can be found on their wiki.

Example of how charts are used and how to apply configuration can be found in example.

Convention

Android and IOS have different convention:

  1. color's alpha in android is 0-255, in ios is 0-1
  2. percent in android is 0-100, in ios is 0-1
  3. animation.duration in MpAndroidChart is milliseconds, in Charts is seconds.
  4. their enum case name is always different, for example XAxisPosition, in MpAndroidChart is BOTH_SIDED, in Charts is bothSided.

Here we use android Convention

Always use processColor to set color

Data Format

  • Complete Form

      data : {
      	...
      	dataSets: [
      		{
      			values: [
      				{x: 5, y: 90},
      				{x: 10, y: 130},
      				{x: 50, y: 2000, marker: "eat more"},
      				{x: 80, y: 9000, marker: "eat less"}
      			]
      		},
      		...
      	]
      }

marker is optional, if x is omitted, index will be used.

  • Simplified Form

      data: {
      	...
          dataSets: [
          	{
            		values: [5, 40, 77, 81, 43]
            	},
            	....
          ]
      }

index will used as x.

check Example->TimeSeriesLineChart for details

Callback

Support value selection callBack.

you can do whatever you want, even pop your own modal, or jump to another page.

Support gesture callBack.

check Example->MultipleChart for details.

Direct Function Call

Support direct function call.

You can use chart.moveViewToX(...) or other functions directly.

check Example->MovingWindowChart for details.

Custom Marker Content

Support custom marker content.

check Example->TimeSeriesLineChart for details.

Notice

Several settings are removed.

  1. fontFamily & fontStyle

 The font is a little different in android & ios, I don't know how to configure it in js in the same way.

size of chart

you can set chart to fixed width & height, or flex:1

Need for help

I spent serveral days to learn swift and ios, but I am still quite new to it.

It is not quite elegant to copy source files to your project, but I haven't figure out how to build it as a framework like others.

Here is the question in stackoverflow.

It is appreciated if you can answer the question or create a issue/PR.

License

The MIT License

Copyright (c) 2017 wuxudong

Copyright (c) 2016 Martin Skec

Copyright (c) 2016 Jose E. Padilla

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.