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Examples for my Android GraphView library
Java
Branch: master

4.0.1

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.idea 4.0.1
GraphView @ e2fc09a 4.0.1
app 4.0.1
gradle/wrapper 4.0.1
.gitignore demo project
.gitmodules graphview as submodule
GraphView-Demos.iml 4.0.1
README.md migrated to Android Studio project
build.gradle demo project
gradle.properties 3.1.3
gradlew use buildTools Version 20 to work with current android studio
gradlew.bat Revert "graphview-demo as gradle module"
license.txt license is MIT
settings.gradle demo project

README.md

Chart and Graph Library for Android

What is GraphView

GraphView is a library for Android to programmatically create flexible and nice-looking diagramms. It is easy to understand, to integrate and to customize it. At the moment there are two different types:

  • Line Charts
  • Bar Charts

Tested on Android 1.6, 2.2, 2.3 and 3.0 (honeycomb, tablet).

Features

  • Two chart types Line Chart and Bar Chart.
  • Draw multiple series of data Let the diagram show more that one series in a graph. You can set a color and a description for every series.
  • Show legend A legend can be displayed inline the chart. You can set the width and the vertical align (top, middle, bottom).
  • Custom labels The labels for the x- and y-axis are generated automatically. But you can set your own labels, Strings are possible.
  • Handle incomplete data It's possible to give the data in different frequency.
  • Viewport You can limit the viewport so that only a part of the data will be displayed.
  • Scrolling You can scroll with a finger touch move gesture.
  • Scaling / Zooming Since Android 2.3! With two-fingers touch scale gesture (Multi-touch), the viewport can be changed.
  • Background (line graph) Optionally draws a light background under the diagram stroke.

How to use

View GraphView page http://android-graphview.org

Very simple example:

// init example series data
GraphViewSeries exampleSeries = new GraphViewSeries(new GraphViewData[] {
          new GraphViewData(1, 2.0d)
          , new GraphViewData(2, 1.5d)
          , new GraphViewData(3, 2.5d)
          , new GraphViewData(4, 1.0d)
});

GraphView graphView = new LineGraphView(
      this // context
      , "GraphViewDemo" // heading
);
graphView.addSeries(exampleSeries); // data

LinearLayout layout = (LinearLayout) findViewById(R.id.layout);
layout.addView(graphView);
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