KeepAliveReceiver

app/src/main/AndroidManifest.xml

@@ -59,6 +59,9 @@
             </intent-filter>
         </receiver>
 
+        <!-- Receiver keepalive, scheduled every 30 min -->
+        <receiver android:name=".receivers.KeepAliveReceiver"></receiver>
+
         <!-- Service processing incomming data -->
         <service
             android:name=".Services.DataService"

app/src/main/java/info/nightscout/androidaps/Constants.java

@@ -20,4 +20,6 @@ public class Constants {
     public static final Integer notificationID = 556677;
 
     public static final int hoursToKeepInDatabase = 24;
+
+    public static final long keepAliveMsecs = 30 * 60 * 1000L;
 }

app/src/main/java/info/nightscout/androidaps/MainActivity.java

@@ -40,6 +40,7 @@ import info.nightscout.androidaps.plugins.SourceXdrip.SourceXdripFragment;
 import info.nightscout.androidaps.plugins.TempBasals.TempBasalsFragment;
 import info.nightscout.androidaps.plugins.Treatments.TreatmentsFragment;
 import info.nightscout.androidaps.plugins.VirtualPump.VirtualPumpFragment;
+import info.nightscout.androidaps.receivers.KeepAliveReceiver;
 import info.nightscout.androidaps.tabs.*;
 import info.nightscout.androidaps.plugins.Objectives.ObjectivesFragment;
 import info.nightscout.utils.ImportExportPrefs;
@@ -52,6 +53,7 @@ public class MainActivity extends AppCompatActivity {
     private SlidingTabLayout mTabs;
     private ViewPager mPager;
     private static TabPageAdapter pageAdapter;
+    private static KeepAliveReceiver keepAliveReceiver;
 
     private static ArrayList<PluginBase> pluginsList = null;
 
@@ -94,6 +96,8 @@ public class MainActivity extends AppCompatActivity {
             pluginsList.add(configBuilderFragment = ConfigBuilderFragment.newInstance());
 
             registerBus();
+            keepAliveReceiver = new KeepAliveReceiver();
+            keepAliveReceiver.setAlarm(this);
 
             configBuilderFragment.initialize();
             MainApp.setConfigBuilder(configBuilderFragment);
@@ -169,7 +173,7 @@ public class MainActivity extends AppCompatActivity {
                 break;
             case R.id.nav_exit:
                 log.debug("Exiting");
-                //chancelAlarmManager();
+                keepAliveReceiver.cancelAlarm(this);
 
                 //MainApp.bus().post(new StopEvent());
                 MainApp.closeDbHelper();

app/src/main/java/info/nightscout/androidaps/receivers/KeepAliveReceiver.java

@@ -0,0 +1,52 @@
+package info.nightscout.androidaps.receivers;
+
+/**
+ * Created by mike on 07.07.2016.
+ */
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.PowerManager;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import info.nightscout.androidaps.Constants;
+
+public class KeepAliveReceiver extends BroadcastReceiver {
+    private static Logger log = LoggerFactory.getLogger(KeepAliveReceiver.class);
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
+        PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "");
+        wl.acquire();
+
+        log.debug("KeepAlive received");
+        // TODO: Start service here
+
+        wl.release();
+    }
+
+    public void setAlarm(Context context) {
+        AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        Intent i = new Intent(context, KeepAliveReceiver.class);
+        PendingIntent pi = PendingIntent.getBroadcast(context, 0, i, 0);
+        try {
+            pi.send();
+        } catch (PendingIntent.CanceledException e) {
+        }
+        am.cancel(pi);
+        am.setInexactRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(), Constants.keepAliveMsecs, pi);
+    }
+
+    public void cancelAlarm(Context context) {
+        Intent intent = new Intent(context, KeepAliveReceiver.class);
+        PendingIntent sender = PendingIntent.getBroadcast(context, 0, intent, 0);
+        AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        alarmManager.cancel(sender);
+    }
+}