1 files changed, 45 insertions, 0 deletions

diff --git a/android/src/org/rockbox/RockboxService.java b/android/src/org/rockbox/RockboxService.java
index 8ef6b5a302..6dc69b3404 100644
--- a/android/src/org/rockbox/RockboxService.java
+++ b/android/src/org/rockbox/RockboxService.java
@@ -9,6 +9,8 @@ import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.Enumeration;
+import java.util.Timer;
+import java.util.TimerTask;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -16,7 +18,10 @@ import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.os.IBinder;
 import android.util.Log;
 
@@ -36,6 +41,9 @@ public class RockboxService extends Service
         private Method mStopForeground;
         private Object[] mStartForegroundArgs = new Object[2];
         private Object[] mStopForegroundArgs = new Object[1];
+        private IntentFilter itf;
+        private BroadcastReceiver batt_monitor;
+        private int battery_level;
         @Override
         public void onCreate()
         {
@@ -161,6 +169,43 @@ public class RockboxService extends Service
                 return null;
         }
 
+        
+        @SuppressWarnings("unused")
+        /*
+         * Sets up the battery monitor which receives the battery level
+         * about each 30 seconds
+         */
+        private void initBatteryMonitor()
+        {
+                itf = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
+                batt_monitor = new BroadcastReceiver() 
+                {                       
+                        @Override
+                        public void onReceive(Context context, Intent intent) 
+                        {
+                                /* we get literally spammed with battery statuses 
+                                 * if we don't delay the re-attaching
+                                 */
+                                TimerTask tk = new TimerTask() {
+                                        public void run() {
+                                                registerReceiver(batt_monitor, itf);
+                                        }
+                                };
+                                Timer t = new Timer();
+                                context.unregisterReceiver(this);
+                                int rawlevel = intent.getIntExtra("level", -1);
+                                int scale = intent.getIntExtra("scale", -1);
+                                if (rawlevel >= 0 && scale > 0)
+                                        battery_level = (rawlevel * 100) / scale;
+                                else
+                                        battery_level = -1;
+                                /* query every 30s should be sufficient */ 
+                                t.schedule(tk, 30000);
+                        }
+                };
+                registerReceiver(batt_monitor, itf);
+        }
+        
     /* all below is heavily based on the examples found on
      * http://developer.android.com/reference/android/app/Service.html
      */