plugin.xml

<?xml version="1.0" encoding="utf-8"?>
<plugin xmlns="http://www.phonegap.com/ns/plugins/1.0"
        id="cordova-plugin-color-picker"
        version="1.0.0">

  <name>ColorPicker</name>

  <engines>
    <engine name="cordova" version=">=7.0.0"/>
    <engine name="cordova-android" version=">=4.0.0"/>
    <engine name="cordova-ios" version=">=4.4.0"/>
  </engines>

  <asset src="www/colorPicker.js" target="js/colorPicker.js"/>

  <js-module src="www/colorPicker.js" name="colorPicker">
    <clobbers target="cordova.plugins.colorPicker" />
  </js-module>

  <platform name="android">
    <framework src="com.github.QuadFlask:colorpicker:0.0.15" />
    <framework src="build-extras.gradle" custom="true" type="gradleReference" />
    <config-file target="res/xml/config.xml" parent="/*">
        <feature name="ColorPicker">
          <param name="android-package" value="com.plugin.colorpicker.ColorPicker"/>
        </feature>
    </config-file>
    <source-file src="src/android/ColorPicker.java" target-dir="src/com/plugin/colorpicker/"/>
  </platform>

  <platform name="ios">
      <config-file target="config.xml" parent="/*">
          <feature name="ColorPicker">
              <param name="ios-package" value="ColorPicker" onload="true" />
              <param name="onload" value="true" />
          </feature>
      </config-file>
    <header-file src="src/ios/ColorPicker.h" />
    <source-file src="src/ios/ColorPicker.m" />
  </platform>

</plugin>