relocate boilerplate to much Cordova structure

app/app.iml

@@ -117,26 +117,26 @@
     <orderEntry type="library" exported="" name="leakcanary-android-1.3.1" level="project" />
     <orderEntry type="library" exported="" name="logback-android-classic-1.1.1-3" level="project" />
     <orderEntry type="library" exported="" name="appcompat-v7-22.2.1" level="project" />
-    <orderEntry type="library" exported="" name="json-io-2.4.1" level="project" />
     <orderEntry type="library" exported="" name="leveldb-api-0.7" level="project" />
+    <orderEntry type="library" exported="" name="json-io-2.4.1" level="project" />
     <orderEntry type="library" exported="" name="jackson-databind-2.5.1" level="project" />
     <orderEntry type="library" exported="" name="leveldb-0.7" level="project" />
     <orderEntry type="library" exported="" name="persistence-api-1.0.2" level="project" />
     <orderEntry type="library" exported="" name="netty-all-4.0.28.Final" level="project" />
     <orderEntry type="library" exported="" name="multidex-1.0.1" level="project" />
-    <orderEntry type="library" exported="" name="log4j-1.2.17" level="project" />
     <orderEntry type="library" exported="" name="commons-io-2.4" level="project" />
+    <orderEntry type="library" exported="" name="log4j-1.2.17" level="project" />
     <orderEntry type="library" exported="" name="library-1.1" level="project" />
     <orderEntry type="library" exported="" name="guava-18.0" level="project" />
-    <orderEntry type="library" exported="" name="javassist-3.15.0-GA" level="project" />
     <orderEntry type="library" exported="" name="jackson-annotations-2.5.0" level="project" />
+    <orderEntry type="library" exported="" name="javassist-3.15.0-GA" level="project" />
     <orderEntry type="library" exported="" name="json-smart-1.3.1" level="project" />
     <orderEntry type="library" exported="" name="javax.annotation-10.0-b28" level="project" />
     <orderEntry type="library" exported="" name="core-1.51.0.0" level="project" />
     <orderEntry type="library" exported="" name="prov-1.51.0.0" level="project" />
     <orderEntry type="library" exported="" name="rxjava-core-0.20.7" level="project" />
-    <orderEntry type="library" exported="" name="support-annotations-22.2.1" level="project" />
     <orderEntry type="library" exported="" name="leakcanary-watcher-1.3.1" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-22.2.1" level="project" />
     <orderEntry type="library" exported="" name="commons-pool-1.5.4" level="project" />
     <orderEntry type="library" exported="" name="jsr305-3.0.0" level="project" />
     <orderEntry type="library" exported="" name="dagger-2.1-SNAPSHOT" level="project" />

app/src/main/java/io/syng/fragment/WebViewFragment.java

@@ -93,7 +93,7 @@ public class WebViewFragment extends Fragment {
         init();
 
 //        loadUrl("http://trustdavis.meteor.com");
-        loadUrl("file:///android_asset/boilerplate/index.html");
+        loadUrl("file:///android_asset/www/boilerplate/index.html");
 
         return view;
     }

app/src/main/src/org/apache/cordova/batterystatus/BatteryListener.java

@@ -0,0 +1,163 @@
+/*
+       Licensed to the Apache Software Foundation (ASF) under one
+       or more contributor license agreements.  See the NOTICE file
+       distributed with this work for additional information
+       regarding copyright ownership.  The ASF licenses this file
+       to you under the Apache License, Version 2.0 (the
+       "License"); you may not use this file except in compliance
+       with the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+       Unless required by applicable law or agreed to in writing,
+       software distributed under the License is distributed on an
+       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+       KIND, either express or implied.  See the License for the
+       specific language governing permissions and limitations
+       under the License.
+*/
+package org.apache.cordova.batterystatus;
+
+import org.apache.cordova.CallbackContext;
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.PluginResult;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.util.Log;
+
+public class BatteryListener extends CordovaPlugin {
+
+    private static final String LOG_TAG = "BatteryManager";
+
+    BroadcastReceiver receiver;
+
+    private CallbackContext batteryCallbackContext = null;
+
+    /**
+     * Constructor.
+     */
+    public BatteryListener() {
+        this.receiver = null;
+    }
+
+    /**
+     * Executes the request.
+     *
+     * @param action        	The action to execute.
+     * @param args          	JSONArry of arguments for the plugin.
+     * @param callbackContext 	The callback context used when calling back into JavaScript.
+     * @return              	True if the action was valid, false if not.
+     */
+    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) {
+        if (action.equals("start")) {
+            if (this.batteryCallbackContext != null) {
+                callbackContext.error( "Battery listener already running.");
+                return true;
+            }
+            this.batteryCallbackContext = callbackContext;
+
+            // We need to listen to power events to update battery status
+            IntentFilter intentFilter = new IntentFilter();
+            intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED);
+            if (this.receiver == null) {
+                this.receiver = new BroadcastReceiver() {
+                    @Override
+                    public void onReceive(Context context, Intent intent) {
+                        updateBatteryInfo(intent);
+                    }
+                };
+                webView.getContext().registerReceiver(this.receiver, intentFilter);
+            }
+
+            // Don't return any result now, since status results will be sent when events come in from broadcast receiver
+            PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
+            pluginResult.setKeepCallback(true);
+            callbackContext.sendPluginResult(pluginResult);
+            return true;
+        }
+
+        else if (action.equals("stop")) {
+            removeBatteryListener();
+            this.sendUpdate(new JSONObject(), false); // release status callback in JS side
+            this.batteryCallbackContext = null;
+            callbackContext.success();
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Stop battery receiver.
+     */
+    public void onDestroy() {
+        removeBatteryListener();
+    }
+
+    /**
+     * Stop battery receiver.
+     */
+    public void onReset() {
+        removeBatteryListener();
+    }
+
+    /**
+     * Stop the battery receiver and set it to null.
+     */
+    private void removeBatteryListener() {
+        if (this.receiver != null) {
+            try {
+                webView.getContext().unregisterReceiver(this.receiver);
+                this.receiver = null;
+            } catch (Exception e) {
+                Log.e(LOG_TAG, "Error unregistering battery receiver: " + e.getMessage(), e);
+            }
+        }
+    }
+
+    /**
+     * Creates a JSONObject with the current battery information
+     *
+     * @param batteryIntent the current battery information
+     * @return a JSONObject containing the battery status information
+     */
+    private JSONObject getBatteryInfo(Intent batteryIntent) {
+        JSONObject obj = new JSONObject();
+        try {
+            obj.put("level", batteryIntent.getIntExtra(android.os.BatteryManager.EXTRA_LEVEL, 0));
+            obj.put("isPlugged", batteryIntent.getIntExtra(android.os.BatteryManager.EXTRA_PLUGGED, -1) > 0 ? true : false);
+        } catch (JSONException e) {
+            Log.e(LOG_TAG, e.getMessage(), e);
+        }
+        return obj;
+    }
+
+    /**
+     * Updates the JavaScript side whenever the battery changes
+     *
+     * @param batteryIntent the current battery information
+     * @return
+     */
+    private void updateBatteryInfo(Intent batteryIntent) {
+        sendUpdate(this.getBatteryInfo(batteryIntent), true);
+    }
+
+    /**
+     * Create a new plugin result and send it back to JavaScript
+     *
+     * @param connection the network info to set as navigator.connection
+     */
+    private void sendUpdate(JSONObject info, boolean keepCallback) {
+        if (this.batteryCallbackContext != null) {
+            PluginResult result = new PluginResult(PluginResult.Status.OK, info);
+            result.setKeepCallback(keepCallback);
+            this.batteryCallbackContext.sendPluginResult(result);
+        }
+    }
+}