feat(headercolor): add HeaderColor plugin

fix [#760](https://github.com/driftyco/ionic-native/issues/760)

src/index.ts

@@ -53,6 +53,7 @@ import { Globalization } from './plugins/globalization';
 import { GooglePlus } from './plugins/google-plus';
 import { GoogleMap } from './plugins/googlemaps';
 import { GoogleAnalytics } from './plugins/googleanalytics';
+import { HeaderColor } from './plugins/headercolor';
 import { Hotspot } from  './plugins/hotspot';
 import { HTTP } from  './plugins/http';
 import { Httpd } from './plugins/httpd';
@@ -162,6 +163,7 @@ export * from './plugins/globalization';
 export * from './plugins/google-plus';
 export * from './plugins/googleanalytics';
 export * from './plugins/googlemaps';
+export * from './plugins/headercolor';
 export * from './plugins/hotspot';
 export * from './plugins/http';
 export * from './plugins/httpd';
@@ -272,6 +274,7 @@ window['IonicNative'] = {
   GooglePlus,
   GoogleMap,
   GoogleAnalytics,
+  HeaderColor,
   Hotspot,
   HTTP,
   Httpd,

src/plugins/headercolor.ts

@@ -0,0 +1,38 @@
+import { Plugin, Cordova } from './plugin';
+
+/**
+ * @name Headerolor
+ * @description
+ * Cordova plugin to change color of header in multitask view
+ *
+ * @usage
+ * ```typescript
+ * import { HeaderColor } from 'ionic-native';
+ *
+ * HeaderColor.tint("#becb29").then(
+ *   (success) => {
+ *   console.log("Your header have a color now")
+ *   },
+ *   (error) => {
+ *   console.log("Your header not have a color now")
+ *   }
+ * ```
+ */
+@Plugin({
+  name: 'HeaderColor',
+  plugin: 'cordova-plugin-headercolor',
+  pluginRef: 'headercolor',
+  repo: 'https://github.com/tomloprod/cordova-plugin-headercolor',
+  platforms: ['Android']
+})
+export class HeaderColor {
+
+  /**
+   * Set a color to the task header
+   * @param color {string} The color
+   * @return {Promise<any>}
+   */
+  @Cordova()
+  static tint(color: string): Promise<any> { return; }
+
+}