6.07 Notifications Answer

app/src/main/java/com/example/android/sunshine/app/sync/SunshineSyncAdapter.java

@@ -2,12 +2,15 @@
 
 import android.accounts.Account;
 import android.accounts.AccountManager;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
 import android.content.AbstractThreadedSyncAdapter;
 import android.content.ContentProviderClient;
 import android.content.ContentResolver;
 import android.content.ContentUris;
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.SyncRequest;
 import android.content.SyncResult;
@@ -16,9 +19,12 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.app.TaskStackBuilder;
 import android.text.format.Time;
 import android.util.Log;
 
+import com.example.android.sunshine.app.MainActivity;
 import com.example.android.sunshine.app.R;
 import com.example.android.sunshine.app.Utility;
 import com.example.android.sunshine.app.data.WeatherContract;
@@ -328,7 +334,35 @@ private void notifyWeather() {
                         Utility.formatTemperature(context, high),
                         Utility.formatTemperature(context, low));
 
-                //build your notification here.
+                // NotificationCompatBuilder is a very convenient way to build backward-compatible
+                // notifications.  Just throw in some data.
+                NotificationCompat.Builder mBuilder =
+                        new NotificationCompat.Builder(getContext())
+                                .setSmallIcon(iconId)
+                                .setContentTitle(title)
+                                .setContentText(contentText);
+
+                // Make something interesting happen when the user clicks on the notification.
+                // In this case, opening the app is sufficient.
+                Intent resultIntent = new Intent(context, MainActivity.class);
+
+                // The stack builder object will contain an artificial back stack for the
+                // started Activity.
+                // This ensures that navigating backward from the Activity leads out of
+                // your application to the Home screen.
+                TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
+                stackBuilder.addNextIntent(resultIntent);
+                PendingIntent resultPendingIntent =
+                        stackBuilder.getPendingIntent(
+                                0,
+                                PendingIntent.FLAG_UPDATE_CURRENT
+                        );
+                mBuilder.setContentIntent(resultPendingIntent);
+
+                NotificationManager mNotificationManager =
+                        (NotificationManager) getContext().getSystemService(Context.NOTIFICATION_SERVICE);
+                // WEATHER_NOTIFICATION_ID allows you to update the notification later on.
+                mNotificationManager.notify(WEATHER_NOTIFICATION_ID, mBuilder.build());
 
 
                 //refreshing last sync