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Android library providing a View that renders a radar chart and a widget for editing the values in the chart

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ultramega/android-radar-chart

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Android Radar Chart

This library provides a View that renders a radar chart and a widget for editing the values in the chart.

Installation

Add the dependency to your module's build.gradle file:

dependencies {
    compile 'com.ultramegasoft.radarchart:radar-chart:0.1.5'
}

Usage

For a full example, see the example application in the testapp module. Below is a quick setup guide.

RadarView

  1. Add the View to the layout:
<com.ultramegasoft.radarchart.RadarView
    android:id="@+id/radar"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true" />
  1. Load the View from the layout:
mRadarView = (RadarView)findViewById(R.id.radar);
  1. Set the data for the RadarView to display as an ArrayList of RadarHolder objects:
mRadarView.setData(mData);
  1. Enable or disable interactive mode:
mRadarView.setInteractive(true);
mRadarView.setInteractive(false);

RadarEditWidget

  1. Add the app namespace to the root element of your layout if it is not already added:
xmlns:app="http://schemas.android.com/apk/res-auto"
  1. Add the View to the layout:
<com.ultramegasoft.radarchart.RadarEditWidget
    android:id="@+id/edit_widget"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    app:showButtonBar="true" />
  1. Load the View from the layout:
mEditWidget = (RadarEditWidget)findViewById(R.id.edit_widget);
  1. Set the target RadarView for the RadarEditWidget to control:
mEditWidget.setTarget(mRadarView);
  1. If you enabled the button bar, set the callbacks for the buttons:
mEditWidget.setOnButtonClickListener(new RadarEditWidget.OnButtonClickListener() {
    @Override
    public void onSave() {
        // Save button clicked
    }
    
    @Override
    public void onCancel() {
        // Cancel button clicked
    }
});

Documentation

Full Java reference is available at https://ultramega.github.io/android-radar-chart/.

XML Attributes

RadarView

Name Type Default Description
circleColor Color #FFCCCCCC The color for the circles
gravity Gravity center_horizontal|top The alignment of the View within its container
labelColor Color #FFFFFFFF The color for the label text
polygonColor Color #DD0066FF The color for the polygon representing the data in the chart
polygonColorInteractive Color #DDFF66FF The color for the polygon when the chart is in interactive mode
selectedColor Color #FFEFAC1D The color for the selected item when the chart is in interactive mode
Gravity Options

Options available for the gravity XML attribute. Multiple options can be combined by separating them with the | character.

Constant Description
top Push object to the top of its container
bottom Push object to the bottom of its container
left Push object to the left of its container
right Push object to the right of its container
center_vertical Place object in the vertical center of its container
center_horizontal Place object in the horizontal center of its container
center Place the object in the center of its container in both the vertical and horizontal axis
start Push object to the beginning of its container
end Push object to the end of its container

RadarEditWidget

Name Type Default Description
showButtonBar Boolean FALSE Whether to display the Save and Cancel buttons
textColor Color #FFFFFFFF The color for the text
textSize Dimension 32sp The size of the text

License

The source code for Android Radar Chart is released under the terms of the MIT License.

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Android library providing a View that renders a radar chart and a widget for editing the values in the chart

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