New process for scheduling alarms

app/src/main/AndroidManifest.xml

@@ -55,25 +55,39 @@
             android:name="io.fabric.ApiKey"
             android:value="321384046aa77d30c21a4829f883d9aec4b23d1d" />
 
-        <!--<service-->
-        <!--android:name=".MyFirebaseMessagingService">-->
-        <!--<intent-filter>-->
-        <!--<action android:name="com.google.firebase.MESSAGING_EVENT"/>-->
-        <!--</intent-filter>-->
-        <!--</service>-->
+        <!-- <service -->
+        <!-- android:name=".MyFirebaseMessagingService"> -->
+        <!-- <intent-filter> -->
+        <!-- <action android:name="com.google.firebase.MESSAGING_EVENT"/> -->
+        <!-- </intent-filter> -->
+        <!-- </service> -->
 
-        <!-- Set custom default icon. This is used when no icon is set for incoming notification messages.
-            See README(https://goo.gl/l4GJaQ) for more. -->
-        <!--<meta-data-->
-        <!--android:name="com.google.firebase.messaging.default_notification_icon"-->
-        <!--android:resource="@drawable/ic_stat_ic_notification" />-->
 
-        <!-- Set color used with incoming notification messages. This is used when no color is set for the incoming
-             notification message. See README(https://goo.gl/6BKBk7) for more. -->
+        <!--
+             Set custom default icon. This is used when no icon is set for incoming notification messages.
+            See README(https://goo.gl/l4GJaQ) for more.
+        -->
+        <!-- <meta-data -->
+        <!-- android:name="com.google.firebase.messaging.default_notification_icon" -->
+        <!-- android:resource="@drawable/ic_stat_ic_notification" /> -->
+
+
+        <!--
+             Set color used with incoming notification messages. This is used when no color is set for the incoming
+             notification message. See README(https://goo.gl/6BKBk7) for more.
+        -->
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_color"
             android:resource="@color/colorAccent" />
 
+        <receiver
+            android:name=".NoticeAlarmReceiver"
+            android:enabled="true"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.mohammedsazid.intent.action.CHECK_NOTICE" />
+            </intent-filter>
+        </receiver>
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/com/mohammedsazid/android/aiub/NoticeAlarmReceiver.java

@@ -0,0 +1,57 @@
+package com.mohammedsazid.android.aiub;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+import android.os.SystemClock;
+import android.util.Log;
+
+import java.util.concurrent.TimeUnit;
+
+import static android.content.Context.ALARM_SERVICE;
+
+public class NoticeAlarmReceiver extends BroadcastReceiver {
+
+    // reschedule every one hour
+    private static final long REPEAT_INTERVAL = 1;
+    public static final String CHECK_NOTICE_ACTION = "com.mohammedsazid.intent.action.CHECK_NOTICE";
+
+    private static PendingIntent getPendingIntent(Context context) {
+        Intent intent = new Intent();
+        intent.setClass(context, NoticeAlarmReceiver.class);
+        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.setAction(CHECK_NOTICE_ACTION);
+
+        return PendingIntent.getBroadcast(context, 0, intent, 0);
+    }
+
+    public static void scheduleNewCheck(Context context) {
+        long deferTime = TimeUnit.HOURS.toMillis(REPEAT_INTERVAL);
+        long when = SystemClock.elapsedRealtime() + deferTime;
+        AlarmManager alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
+
+        PendingIntent pi = getPendingIntent(context);
+
+        if (alarmManager != null) {
+            // cancel any previous alarm
+            alarmManager.cancel(pi);
+
+            int SDK_INT = Build.VERSION.SDK_INT;
+            if (SDK_INT < Build.VERSION_CODES.KITKAT)
+                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, pi);
+            else if (SDK_INT < Build.VERSION_CODES.M)
+                alarmManager.setExact(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, pi);
+            else
+                alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, when, pi);
+        }
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        NoticeCheckJobIntentService.startActionCheckNotice(context);
+    }
+}

app/src/main/java/com/mohammedsazid/android/aiub/NoticeCheckJobIntentService.java

@@ -30,14 +30,13 @@
 import java.util.concurrent.TimeUnit;
 
 public class NoticeCheckJobIntentService extends JobIntentService {
-    private static final long REPEAT_INTERVAL = TimeUnit.HOURS.toMinutes(1);
     private static final String PREF_NOTICES_KEY = "PREF_NOTICES_KEY";
 
 
     public static void startActionCheckNotice(Context context) {
         Intent intent = new Intent(context, NoticeCheckJobIntentService.class);
         enqueueWork(context, NoticeCheckJobIntentService.class, 1, intent);
-        ContextCompat.startForegroundService(context, intent);
+//        ContextCompat.startForegroundService(context, intent);
     }
 
     @NonNull
@@ -82,7 +81,9 @@ public void onCreate() {
 
     @Override
     protected void onHandleWork(@NonNull Intent intent) {
+        Log.d("SERVICE", "Starting work");
         handleActionCheckNotice();
+        Log.d("SERVICE", "Work done");
     }
 
     private void parseNoticeHTML(String url) {
@@ -141,40 +142,9 @@ private void parseNoticeHTML(String url) {
         }
     }
 
-    private void scheduleNewCheck(long minutes) {
-        long deferTime = TimeUnit.MINUTES.toMillis(minutes);
-        AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
-
-        Intent intent = new Intent();
-        intent.setClass(this, NoticeCheckJobIntentService.class);
-        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-
-        PendingIntent pi = PendingIntent.getService(this, 0, intent, 0);
-
-        // cancel any previous alarm
-        if (alarmManager != null) {
-            alarmManager.cancel(pi);
-        }
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            if (alarmManager != null) {
-                alarmManager.setExact(AlarmManager.ELAPSED_REALTIME,
-                        SystemClock.elapsedRealtime() + deferTime,
-                        pi);
-            }
-        } else {
-            if (alarmManager != null) {
-                alarmManager.set(AlarmManager.ELAPSED_REALTIME,
-                        SystemClock.elapsedRealtime() + deferTime,
-                        pi);
-            }
-        }
-    }
-
     private void handleActionCheckNotice() {
         parseNoticeHTML("http://www.aiub.edu/category/notices");
-        scheduleNewCheck(REPEAT_INTERVAL);
+        NoticeAlarmReceiver.scheduleNewCheck(this);
         Log.d("SERVICE", "Check complete");
 
         try {
@@ -186,5 +156,7 @@ private void handleActionCheckNotice() {
             e.printStackTrace();
             Crashlytics.logException(e);
         }
+
+        stopSelf();
     }
 }