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Commit 4d5b296a authored by Andrej Rasevic's avatar Andrej Rasevic
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updated to remove asycn tasks

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Lab6_NotificationsLab/app/src/androidTest/java/course/labs/notificationslab/tests/NewFeedTest.java
+ 3
− 1
View file @ 4d5b296a
...@@ -47,7 +47,9 @@ public class NewFeedTest extends ...@@ -47,7 +47,9 @@ public class NewFeedTest extends
// 'course.labs.threadslab.MainActivity' // 'course.labs.threadslab.MainActivity'
solo.waitForActivity(course.labs.notificationslab.MainActivity.class, solo.waitForActivity(course.labs.notificationslab.MainActivity.class,
shortDelay); shortDelay);
String msg = getActivity().getString(course.labs.notificationslab.R.string.download_in_progress_string);
assertFalse("'" + msg + " ' is shown!",
solo.searchText(msg));
solo.waitForView(android.R.id.list); solo.waitForView(android.R.id.list);
final View listView = solo.getView(android.R.id.list); final View listView = solo.getView(android.R.id.list);
......
Lab6_NotificationsLab/app/src/main/java/course/labs/notificationslab/DownloaderTaskFragment.java
+ 166
− 158
View file @ 4d5b296a
...@@ -78,173 +78,181 @@ public class DownloaderTaskFragment extends Fragment { ...@@ -78,173 +78,181 @@ public class DownloaderTaskFragment extends Fragment {
mCallback = null; mCallback = null;
} }
// TODO: Implement an AsyncTask subclass called DownLoaderTask.
// This class must use the downloadTweets method and the methods called inside it(currently commented
// out). Ultimately, it must also pass newly available data back to
// the hosting Activity using the DownloadFinishedListener interface.
// public class DownloaderTask extends ... public class DownloaderTask extends AsyncTask<Integer, Void, String[]> {
@Override
protected String[] doInBackground(Integer... resourceIDs) {
return downloadTweets(resourceIDs);
}
// TODO: Uncomment this helper method and put them inside the DownLoaderTask subclass
// Simulates downloading Twitter data from the network // Simulates downloading Twitter data from the network
// private String[] downloadTweets(Integer resourceIDS[]) { private String[] downloadTweets(Integer resourceIDS[]) {
// final int simulatedDelay = 2000; final int simulatedDelay = 2000;
// String[] feeds = new String[resourceIDS.length]; String[] feeds = new String[resourceIDS.length];
// boolean downLoadCompleted = false; boolean downLoadCompleted = false;
//
// try { try {
// for (int idx = 0; idx < resourceIDS.length; idx++) { for (int idx = 0; idx < resourceIDS.length; idx++) {
// InputStream inputStream; InputStream inputStream;
// BufferedReader in; BufferedReader in;
// try { try {
// // Pretend downloading takes a long time // Pretend downloading takes a long time
// Thread.sleep(simulatedDelay); Thread.sleep(simulatedDelay);
// } catch (InterruptedException e) { } catch (InterruptedException e) {
// e.printStackTrace(); e.printStackTrace();
// } }
//
// inputStream = mContext.getResources().openRawResource( inputStream = mContext.getResources().openRawResource(
// resourceIDS[idx]); resourceIDS[idx]);
// in = new BufferedReader(new InputStreamReader(inputStream)); in = new BufferedReader(new InputStreamReader(inputStream));
//
// String readLine; String readLine;
// StringBuffer buf = new StringBuffer(); StringBuffer buf = new StringBuffer();
//
// while ((readLine = in.readLine()) != null) { while ((readLine = in.readLine()) != null) {
// buf.append(readLine); buf.append(readLine);
// } }
//
// feeds[idx] = buf.toString(); feeds[idx] = buf.toString();
//
// if (null != in) { if (null != in) {
// in.close(); in.close();
// } }
// } }
//
// downLoadCompleted = true; downLoadCompleted = true;
// saveTweetsToFile(feeds); saveTweetsToFile(feeds);
//
// } catch (IOException e) { } catch (IOException e) {
// e.printStackTrace(); e.printStackTrace();
// } }
//
// // Notify user that downloading has finished // Notify user that downloading has finished
// notify(downLoadCompleted); notify(downLoadCompleted);
//
// return feeds; return feeds;
//
// } }
// If necessary, notifies the user that the tweet downloads are // If necessary, notifies the user that the tweet downloads are
// complete. Sends an ordered broadcast back to the BroadcastReceiver in // complete. Sends an ordered broadcast back to the BroadcastReceiver in
// MainActivity to determine whether the notification is necessary. // MainActivity to determine whether the notification is necessary.
// private void notify(final boolean success) { private void notify(final boolean success) {
// final Intent restartMainActivityIntent = new Intent(mContext, final Intent restartMainActivityIntent = new Intent(mContext,
// MainActivity.class); MainActivity.class);
// restartMainActivityIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); restartMainActivityIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
//
// // Sends an ordered broadcast to determine whether MainActivity is // Sends an ordered broadcast to determine whether MainActivity is
// // active and in the foreground. Creates a new BroadcastReceiver // active and in the foreground. Creates a new BroadcastReceiver
// // to receive a result indicating the state of MainActivity // to receive a result indicating the state of MainActivity
//
// // The Action for this broadcast Intent is // The Action for this broadcast Intent is
// // MainActivity.DATA_REFRESHED_ACTION // MainActivity.DATA_REFRESHED_ACTION
// // The result, MainActivity.IS_ALIVE, indicates that MainActivity is // The result, MainActivity.IS_ALIVE, indicates that MainActivity is
// // active and in the foreground. // active and in the foreground.
//
// mContext.sendOrderedBroadcast(new Intent( mContext.sendOrderedBroadcast(new Intent(
// MainActivity.DATA_REFRESHED_ACTION), null, MainActivity.DATA_REFRESHED_ACTION), null,
// new BroadcastReceiver() { new BroadcastReceiver() {
//
// final String failMsg = mContext final String failMsg = mContext
// .getString(R.string.download_failed_string); .getString(R.string.download_failed_string);
// final String successMsg = mContext final String successMsg = mContext
// .getString(R.string.download_succes_string); .getString(R.string.download_succes_string);
// final String notificationSentMsg = mContext final String notificationSentMsg = mContext
// .getString(R.string.notification_sent_string); .getString(R.string.notification_sent_string);
//
// @Override @Override
// public void onReceive(Context context, Intent intent) { public void onReceive(Context context, Intent intent) {
//
// // TODO: Check whether or not the MainActivity // TODO: Change the if condition (false) to Check whether or not the MainActivity
// // received the broadcast // received the broadcast
//
// if () { if (false) {
//
// // TODO: If not, create a PendingIntent using // TODO: If not, create a PendingIntent using
// // the // the
// // restartMainActivityIntent and set its flags // restartMainActivityIntent and set its flags
// // to FLAG_UPDATE_CURRENT // to FLAG_UPDATE_CURRENT
//
// final PendingIntent pendingIntent = null;
//
// // Uses R.layout.custom_notification for the // Uses R.layout.custom_notification for the
// // layout of the notification View. The xml // layout of the notification View. The xml
// // file is in res/layout/custom_notification.xml // file is in res/layout/custom_notification.xml
//
//
//
// // TODO: Set the notification View's text to // TODO: Set the notification View's text to
// // reflect whether the download completed // reflect whether the download completed
// // successfully (successMsg or failMsg) // successfully
//
//
// // TODO: Use the Notification.Builder class to
// // create the Notification. You will have to set // TODO: Use the Notification.Builder class to
// // several pieces of information. You can use // create the Notification. You will have to set
// // android.R.drawable.stat_sys_warning // several pieces of information. You can use
// // for the small icon. You should also // android.R.drawable.stat_sys_warning
// // setAutoCancel(true). // for the small icon. You should also
// // To support API Level 26 implement the TODOs in createNotificationChannel // setAutoCancel(true).
// createNotificationChannel(); // To support API level 26, implement the TODOs in createNotificationChannel()
// createNotificationChannel();
//
// // TODO: Send the notification // TODO: Send the notification and create a toast with notificationSentMsg text
//
// Toast.makeText(mContext, notificationSentMsg, } else {
// Toast.LENGTH_LONG).show(); Toast.makeText(mContext,
// success ? successMsg : failMsg,
// } else { Toast.LENGTH_LONG).show();
// Toast.makeText(mContext, }
// success ? successMsg : failMsg, }
// Toast.LENGTH_LONG).show(); }, null, 0, null, null);
// } }
// } private String channelID = "my_channel_01";
// }, null, 0, null, null);
// } private void createNotificationChannel()
// private String channelID = "my_channel_01"; {
// if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
// private void createNotificationChannel() // TODO: Create Notification Channel with id channelID,
// { // name R.string.channel_name
// if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { // and description R.string.channel_description of high importance
// // TODO: Create Notification Channel with id channelID,
// // name R.string.channel_name }
// // and description R.string.channel_description of high importance }
// // Saves the tweets to a file
// } private void saveTweetsToFile(String[] result) {
// } PrintWriter writer = null;
// // Saves the tweets to a file try {
// private void saveTweetsToFile(String[] result) { FileOutputStream fos = mContext.openFileOutput(
// PrintWriter writer = null; MainActivity.TWEET_FILENAME, Context.MODE_PRIVATE);
// try { writer = new PrintWriter(new BufferedWriter(
// FileOutputStream fos = mContext.openFileOutput( new OutputStreamWriter(fos)));
// MainActivity.TWEET_FILENAME, Context.MODE_PRIVATE);
// writer = new PrintWriter(new BufferedWriter( for (String s : result) {
// new OutputStreamWriter(fos))); writer.println(s);
// }
// for (String s : result) { } catch (IOException e) {
// writer.println(s); e.printStackTrace();
// } } finally {
// } catch (IOException e) { if (null != writer) {
// e.printStackTrace(); writer.close();
// } finally { }
// if (null != writer) { }
// writer.close(); }
// }
// } // Pass newly available data back to hosting Activity
// } // using the DownloadFinishedListener interface
@Override
protected void onPostExecute(String[] result) {
super.onPostExecute(result);
if (null != mCallback) {
mCallback.notifyDataRefreshed(result);
}
}
}
} }
\ No newline at end of file
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