🐧 Fix Android O channel confusing name/description

Author: camillebeaumont

docs/API.md

@@ -166,12 +166,13 @@ PushNotification.createChannel(() => {
   console.log('error');
 }, {
   id: "testchannel1",
-  description: "My first test channel",
+  name: "First channel",
+  description: "This is my very first notification channel",
   importance: 3
 });
 ```
 
-The above will create a channel for your app. You'll need to provide the `id`, `description` and `importance` properties. The importance property goes from 1 = Lowest, 2 = Low, 3 = Normal, 4 = High and 5 = Highest.
+The above will create a channel for your app. You'll need to provide the `id`, `name` and `importance` properties, `description` is optional. The importance property goes from 1 = Lowest, 2 = Low, 3 = Normal, 4 = High and 5 = Highest.
 
 ## PushNotification.deleteChannel(successHandler, failureHandler, channelId)
 

src/android/com/adobe/phonegap/push/PushConstants.java

@@ -88,6 +88,7 @@ public interface PushConstants {
   public static final String DEFAULT_CHANNEL_ID = "PushPluginChannel";
   public static final String CHANNELS = "channels";
   public static final String CHANNEL_ID = "id";
+  public static final String CHANNEL_NAME = "name";
   public static final String CHANNEL_DESCRIPTION = "description";
   public static final String CHANNEL_IMPORTANCE = "importance";
   public static final String CHANNEL_LIGHT_COLOR = "lightColor";

src/android/com/adobe/phonegap/push/PushPlugin.java

@@ -67,6 +67,7 @@ private JSONArray listChannels() throws JSONException {
       for (NotificationChannel notificationChannel : notificationChannels) {
         JSONObject channel = new JSONObject();
         channel.put(CHANNEL_ID, notificationChannel.getId());
+        channel.put(CHANNEL_NAME, notificationChannel.getName());
         channel.put(CHANNEL_DESCRIPTION, notificationChannel.getDescription());
         channels.put(channel);
       }
@@ -93,9 +94,14 @@ private void createChannel(JSONObject channel) throws JSONException {
 
       String packageName = getApplicationContext().getPackageName();
       NotificationChannel mChannel = new NotificationChannel(channel.getString(CHANNEL_ID),
-          channel.optString(CHANNEL_DESCRIPTION, ""),
+          channel.optString(CHANNEL_NAME, ""),
           channel.optInt(CHANNEL_IMPORTANCE, NotificationManager.IMPORTANCE_DEFAULT));
 
+      String desc = channel.optString(CHANNEL_DESCRIPTION, "");
+      if(desc != null && !desc.isEmpty()) {
+        mChannel.setDescription(desc);
+      }
+
       int lightColor = channel.optInt(CHANNEL_LIGHT_COLOR, -1);
       if (lightColor != -1) {
         mChannel.setLightColor(lightColor);

src/js/push.js

@@ -18,7 +18,7 @@ class PushNotification {
     this.handlers = {
       registration: [],
       notification: [],
-      error: [],
+      error: []
     };
 
     // require options parameter