Android : 06-Notifications: implement

1 files changed, 12 insertions, 14 deletions

diff --git a/Android/06-Notifications/Notifications/src/course/labs/notificationslab/MainActivity.java b/Android/06-Notifications/Notifications/src/course/labs/notificationslab/MainActivity.java
index eebf924..e74daa9 100644
--- a/Android/06-Notifications/Notifications/src/course/labs/notificationslab/MainActivity.java
+++ b/Android/06-Notifications/Notifications/src/course/labs/notificationslab/MainActivity.java
@@ -17,6 +17,7 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.widget.Toast;
 import android.os.Bundle;
 import android.util.Log;
 
@@ -70,13 +71,10 @@ public class MainActivity extends Activity implements SelectionListener {
         log("In ensureData(), mIsFresh:" + mIsFresh);
 
         if (!mIsFresh) {
-            // TODO:
-            // Show a Toast Notification to inform user that
-            // the app is "Downloading Tweets from Network"
             log ("Issuing Toast Message");
+            Toast.makeText(MainActivity.this, "Downloading Tweets from Network", Toast.LENGTH_SHORT).show();
 
-            // TODO:
-            // Start new AsyncTask to download Tweets from network
+            new DownloaderTask(MainActivity.this).execute(URL_LGAGA, URL_RBLACK, URL_TSWIFT);
 
             // Set up a BroadcastReceiver to receive an Intent when download
             // finishes.
@@ -84,10 +82,9 @@ public class MainActivity extends Activity implements SelectionListener {
                 @Override
                 public void onReceive(Context context, Intent intent) {
                     log("BroadcastIntent received in MainActivity");
-                    // TODO:
-                    // Check to make sure this is an ordered broadcast
-                    // Let sender know that the Intent was received
-                    // by setting result code to RESULT_OK
+                    if (isOrderedBroadcast()) {
+                        setResultCode(RESULT_OK);
+                    }
                 }
             };
         } else {
@@ -145,15 +142,16 @@ public class MainActivity extends Activity implements SelectionListener {
     @Override
     protected void onResume() {
         super.onResume();
-        // TODO:
-        // Register the BroadcastReceiver to receive a
-        // DATA_REFRESHED_ACTION broadcast
+        if(mRefreshReceiver != null) {
+            registerReceiver(mRefreshReceiver, new IntentFilter(DATA_REFRESHED_ACTION));
+        }
     }
 
     @Override
     protected void onPause() {
-        // TODO:
-        // Unregister the BroadcastReceiver
+        if(mRefreshReceiver != null) {
+            unregisterReceiver(mRefreshReceiver);
+        }
         super.onPause();
     }