Alarm: recover alarm after reboot in AlarmBootReceiver

jeluchu · Mar 23, 2017 · 9d5d317 · 9d5d317
1 parent 496e530
commit 9d5d317
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Showing 3 changed files with 52 additions and 6 deletions.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -5,6 +5,7 @@
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
 
     <application
         android:allowBackup="true"
@@ -54,9 +55,14 @@
         <service
             android:name=".AlarmService"
             android:enabled="true" />
-        <receiver android:name=".AlarmReceiver">
+        <receiver android:name=".AlarmReceiver" />
+        <receiver
+            android:name=".AlarmBootReceiver"
+            android:enabled="true"
+            android:exported="true"
+            android:label="AlarmBootReceiver">
             <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED"/>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
             </intent-filter>
         </receiver>
     </application>

diff --git a/app/src/main/java/com/example/yink/amadeus/AlarmActivity.java b/app/src/main/java/com/example/yink/amadeus/AlarmActivity.java
@@ -55,10 +55,10 @@ public void onToggleClicked(View view) {
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 Log.d(TAG, "Current API functions have been executed");
-                setTime(calendar);
+                setTime(calendar, editor);
             } else {
                 Log.d(TAG, "Legacy API functions have been executed");
-                setTimeLegacy(calendar);
+                setTimeLegacy(calendar, editor);
             }
 
             Log.d(TAG, "Alarm On");
@@ -72,7 +72,7 @@ public void onToggleClicked(View view) {
     }
 
     @SuppressWarnings("deprecation")
-    private void setTimeLegacy(Calendar calendar) {
+    private void setTimeLegacy(Calendar calendar, SharedPreferences.Editor editor) {
         calendar.set(Calendar.HOUR_OF_DAY, alarmTimePicker.getCurrentHour());
         calendar.set(Calendar.MINUTE, alarmTimePicker.getCurrentMinute());
 
@@ -81,11 +81,12 @@ private void setTimeLegacy(Calendar calendar) {
         }
 
         alarmManager.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
+        editor.putLong("alarm_time", calendar.getTimeInMillis());
         Toast.makeText(this, "Alarm has been set for " + alarmTimePicker.getCurrentHour() + " hour(s) " + alarmTimePicker.getCurrentMinute() + " minute(s)", Toast.LENGTH_SHORT).show();
     }
 
     @TargetApi(Build.VERSION_CODES.M)
-    private void setTime(Calendar calendar) {
+    private void setTime(Calendar calendar, SharedPreferences.Editor editor) {
         calendar.set(Calendar.HOUR_OF_DAY, alarmTimePicker.getHour());
         calendar.set(Calendar.MINUTE, alarmTimePicker.getMinute());
 
@@ -94,6 +95,7 @@ private void setTime(Calendar calendar) {
         }
 
         alarmManager.setAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
+        editor.putLong("alarm_time", calendar.getTimeInMillis());
         Toast.makeText(this, "Alarm has been set for " + alarmTimePicker.getHour() + " hour(s) " + alarmTimePicker.getMinute() + " minute(s)", Toast.LENGTH_SHORT).show();
     }
 }
diff --git a/app/src/main/java/com/example/yink/amadeus/AlarmBootReceiver.java b/app/src/main/java/com/example/yink/amadeus/AlarmBootReceiver.java
@@ -0,0 +1,38 @@
+package com.example.yink.amadeus;
+
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Build;
+import android.preference.PreferenceManager;
+import android.support.v4.content.WakefulBroadcastReceiver;
+import android.util.Log;
+
+public class AlarmBootReceiver extends WakefulBroadcastReceiver {
+
+    final String TAG = "A.AlarmBootReceiver";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+
+        SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
+
+        if ("android.intent.action.BOOT_COMPLETED".equals(intent.getAction())
+                && settings.getBoolean("alarm_toggle", false)) {
+            AlarmManager alarmManager = (AlarmManager) context.getSystemService(
+                    Context.ALARM_SERVICE);
+            PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
+                    Alarm.ALARM_ID, new Intent(context, AlarmReceiver.class), 0);
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                alarmManager.setAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, settings.getLong("alarm_time", 0), pendingIntent);
+            } else {
+                alarmManager.set(AlarmManager.RTC_WAKEUP, settings.getLong("alarm_time", 0), pendingIntent);
+            }
+            Log.d(TAG, "Alarm has been recovered");
+        }
+
+    }
+}