Fix loading of server settings, albels and show proper loading state.

core/res/layout/fragment_details.xml

@@ -15,10 +15,12 @@
 
 	<ProgressBar
 		android:id="@+id/loading_progress"
-		android:layout_width="wrap_content"
-		android:layout_height="wrap_content"
+		android:layout_width="128dp"
+		android:layout_height="128dp"
 		android:layout_gravity="center"
+		android:indeterminate="true"
 		android:indeterminateDrawable="@drawable/loading_progress"
+		android:indeterminateOnly="true"
 		android:visibility="gone" />
 
 	<TextView

core/res/layout/fragment_torrents.xml

@@ -13,8 +13,8 @@
 
 	<ProgressBar
 		android:id="@+id/loading_progress"
-		android:layout_width="wrap_content"
-		android:layout_height="wrap_content"
+		android:layout_width="128dp"
+		android:layout_height="128dp"
 		android:layout_gravity="center"
 		android:indeterminate="true"
 		android:indeterminateDrawable="@drawable/loading_progress"

core/res/values/strings.xml

@@ -52,14 +52,14 @@
 	<string name="navigation_status_onlyactive">Active</string>
 	<string name="navigation_status_onlyinactive">Inactive</string>
 	
-	<string name="status_status">Status: %1$s</string>
+	<string name="status_status">STATUS: %1$s</string>
 	<string name="status_waiting">Waiting to check&#8230;</string>
 	<string name="status_checking">Verifying local data&#8230;</string>
 	<string name="status_waitingtodl">Waiting to download %s</string>
 	<string name="status_error">Error&#8230;</string>
 	<string name="status_size1">%1$s OF %2$s (%3$s)</string>
 	<string name="status_size2">%1$s, UPLOADED %2$s</string>
-	<string name="status_sincedate">SINCE $1%s</string>
+	<string name="status_sincedate">SINCE %1$s</string>
 	<string name="status_eta">~ %1$s</string>
 	<string name="status_etalong">ETA %1$s</string>
 	<string name="status_unknowneta">UNKNOWN ETA</string>

core/src/org/transdroid/core/gui/TorrentsActivity.java

@@ -23,7 +23,6 @@ import org.transdroid.core.gui.log.Log;
 import org.transdroid.core.gui.log.Log_;
 import org.transdroid.core.gui.navigation.*;
 import org.transdroid.core.gui.navigation.NavigationSelectionView.NavigationFilterManager;
-import org.transdroid.core.gui.navigation.StatusType;
 import org.transdroid.core.gui.settings.*;
 import org.transdroid.daemon.Daemon;
 import org.transdroid.daemon.IDaemonAdapter;
@@ -162,8 +161,8 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 			return;
 		}
 		// TODO: See if this does not mean the refresh is called twice (first in onCreate)
-		// There is a server now: select it to establish a connection
-		filterSelected(lastUsed);
+		// There is a server know (now): forcefully select it to establish a connection
+		filterSelected(lastUsed, true);
 	}
 
 	@TargetApi(Build.VERSION_CODES.FROYO)
@@ -230,7 +229,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 		Object item = navigationSpinnerAdapter.getItem(itemPosition);
 		if (item instanceof SimpleListItem) {
 			// A filter item was selected form the navigation spinner
-			filterSelected((SimpleListItem) item);
+			filterSelected((SimpleListItem) item, false);
 			return true;
 		}
 		// A header was selected; no action
@@ -243,7 +242,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 	protected OnItemSelectedListener onFilterListItemSelected = new OnItemSelectedListener() {
 		@Override
 		public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-			filterSelected((SimpleListItem) filtersList.getAdapter().getItem(position));
+			filterSelected((SimpleListItem) filtersList.getAdapter().getItem(position), false);
 		}
 
 		@Override
@@ -254,10 +253,10 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 
 	/**
 	 * A new filter was selected; update the view over the current data
-	 * @param selected True if the filter item was selected, false if it was deselected
 	 * @param item The touched filter item
+	 * @param forceNewConnection Whether a new connection should be initialised regardless of the old server selection
 	 */
-	protected void filterSelected(SimpleListItem item) {
+	protected void filterSelected(SimpleListItem item, boolean forceNewConnection) {
 
 		// Server selection
 		if (item instanceof ServerSetting) {
@@ -265,6 +264,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 
 			if (currentConnection != null && server.equals(currentConnection.getSettings())) {
 				// Already connected to this server; just ask for a refresh instead
+				fragmentTorrents.updateIsLoading(true);
 				refreshTorrents();
 				return;
 			}
@@ -277,6 +277,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 			if (fragmentDetails != null) {
 				fragmentDetails.clear();
 			}
+			fragmentTorrents.updateIsLoading(true);
 			updateFragmentVisibility(true);
 			refreshTorrents();
 			return;
@@ -325,6 +326,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 
 	@OptionsItem(resName = "action_refresh")
 	protected void refreshScreen() {
+		fragmentTorrents.updateIsLoading(true);
 		refreshTorrents();
 		if (Daemon.supportsStats(currentConnection.getType()))
 			getAdditionalStats();
@@ -352,9 +354,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 
 	@Background
 	protected void refreshTorrents() {
-		fragmentTorrents.updateIsLoading(true);
 		DaemonTaskResult result = RetrieveTask.create(currentConnection).execute();
-		fragmentTorrents.updateIsLoading(false);
 		if (result instanceof RetrieveTaskSuccessResult) {
 			onTorrentsRetrieved(((RetrieveTaskSuccessResult) result).getTorrents(),
 					((RetrieveTaskSuccessResult) result).getLabels());
@@ -489,24 +489,28 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 		Log.i(this, result.getException().toString());
 		String error = getString(LocalTorrent.getResourceForDaemonException(result.getException()));
 		Crouton.showText(this, error, navigationHelper.CROUTON_ERROR_STYLE);
+		fragmentTorrents.updateIsLoading(false);
 		fragmentTorrents.updateError(error);
 	}
 
 	@UiThread
 	protected void onTorrentsRetrieved(List<Torrent> torrents, List<org.transdroid.daemon.Label> labels) {
 		// Report the newly retrieved list of torrents to the torrents fragment
+		fragmentTorrents.updateIsLoading(false);
 		fragmentTorrents.updateTorrents(new ArrayList<Torrent>(torrents));
 		// Update the details fragment if the currently shown torrent is in the newly retrieved list
 		if (fragmentDetails != null) {
 			fragmentDetails.perhapsUpdateTorrent(torrents);
 		}
 		// Update local list of labels in the navigation
+		List<Label> navigationLabels = Label.convertToNavigationLabels(labels,
+				getResources().getString(R.string.labels_unlabeled));
 		if (navigationListAdapter != null) {
 			// Labels are shown in the dedicated side navigation
-			navigationListAdapter.updateLabels(Label.convertToNavigationLabels(labels));
+			navigationListAdapter.updateLabels(navigationLabels);
 		} else {
 			// Labels are shown in the action bar spinner
-			navigationSpinnerAdapter.updateLabels(Label.convertToNavigationLabels(labels));
+			navigationSpinnerAdapter.updateLabels(navigationLabels);
 		}
 	}
 

core/src/org/transdroid/core/gui/TorrentsFragment.java

@@ -7,10 +7,10 @@ import org.androidannotations.annotations.AfterViews;
 import org.androidannotations.annotations.EFragment;
 import org.androidannotations.annotations.InstanceState;
 import org.androidannotations.annotations.ItemClick;
-import org.androidannotations.annotations.UiThread;
 import org.androidannotations.annotations.ViewById;
 import org.transdroid.core.R;
-import org.transdroid.core.gui.lists.*;
+import org.transdroid.core.gui.lists.TorrentsAdapter;
+import org.transdroid.core.gui.lists.TorrentsAdapter_;
 import org.transdroid.core.gui.navigation.NavigationFilter;
 import org.transdroid.daemon.Torrent;
 
@@ -83,7 +83,7 @@ public class TorrentsFragment extends SherlockFragment {
 	 */
 	public void applyFilter(NavigationFilter currentFilter) {
 		this.currentFilter = currentFilter;
-		if (torrents != null) {
+		if (torrents != null && currentFilter != null) {
 			// Build a local list of torrents that match the selected navigation filter
 			ArrayList<Torrent> filteredTorrents = new ArrayList<Torrent>();
 			for (Torrent torrent : torrents) {
@@ -91,6 +91,9 @@ public class TorrentsFragment extends SherlockFragment {
 					filteredTorrents.add(torrent);
 			}
 			((TorrentsAdapter) torrentsList.getAdapter()).update(filteredTorrents);
+		} else if (torrents != null) {
+			// No need to filter any torrents; directly show the full list
+			((TorrentsAdapter) torrentsList.getAdapter()).update(torrents);
 		}
 		updateViewVisibility();
 	}
@@ -171,7 +174,7 @@ public class TorrentsFragment extends SherlockFragment {
 
 	/**
 	 * Updates the shown screen depending on whether we have a connection (so torrents can be shown) or not (in case we
-	 * need to show a message suggesting help)
+	 * need to show a message suggesting help). This should only ever be called on the UI thread.
 	 * @param hasAConnection True if the user has servers configured and therefore has a connection that can be used
 	 */
 	public void updateConnectionStatus(boolean hasAConnection) {
@@ -184,7 +187,8 @@ public class TorrentsFragment extends SherlockFragment {
 	}
 
 	/**
-	 * Updates the shown screen depending on whether the torrents are loading
+	 * Updates the shown screen depending on whether the torrents are loading. This should only ever be called on the UI
+	 * thread.
 	 * @param isLoading True if the list of torrents is (re)loading, false otherwise
 	 */
 	public void updateIsLoading(boolean isLoading) {
@@ -197,7 +201,8 @@ public class TorrentsFragment extends SherlockFragment {
 	}
 
 	/**
-	 * Updates the shown screen depending on whether a connection error occurred
+	 * Updates the shown screen depending on whether a connection error occurred. This should only ever be called on the
+	 * UI thread.
 	 * @param connectionErrorMessage The error message from the last failed connection attempt, or null to clear the
 	 *            visible error text
 	 */
@@ -211,8 +216,7 @@ public class TorrentsFragment extends SherlockFragment {
 		}
 	}
 
-	@UiThread
-	protected void updateViewVisibility() {
+	private void updateViewVisibility() {
 		if (!hasAConnection) {
 			torrentsList.setVisibility(View.GONE);
 			emptyText.setVisibility(View.GONE);
@@ -222,10 +226,10 @@ public class TorrentsFragment extends SherlockFragment {
 			return;
 		}
 		boolean isEmpty = torrents == null || torrentsList.getAdapter().isEmpty();
-		boolean hasError = connectionErrorMessage == null;
+		boolean hasError = connectionErrorMessage != null;
 		nosettingsText.setVisibility(View.GONE);
-		errorText.setVisibility(hasError? View.VISIBLE : View.GONE);
-		torrentsList.setVisibility(!hasError && !isLoading && !isEmpty ? View.GONE : View.VISIBLE);
+		errorText.setVisibility(hasError ? View.VISIBLE : View.GONE);
+		torrentsList.setVisibility(!hasError && !isLoading && !isEmpty ? View.VISIBLE : View.GONE);
 		loadingProgress.setVisibility(!hasError && isLoading ? View.VISIBLE : View.GONE);
 		emptyText.setVisibility(!hasError && !isLoading && isEmpty ? View.VISIBLE : View.GONE);
 	}

core/src/org/transdroid/core/gui/navigation/Label.java

@@ -8,6 +8,7 @@ import org.transdroid.daemon.Torrent;
 
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.text.TextUtils;
 
 /**
  * Represents some label that is active or available on the server.
@@ -15,6 +16,8 @@ import android.os.Parcelable;
  */
 public class Label implements SimpleListItem, NavigationFilter {
 
+	private static String unnamedLabelText = null;
+
 	private final String name;
 	private final int count;
 
@@ -25,6 +28,8 @@ public class Label implements SimpleListItem, NavigationFilter {
 
 	@Override
 	public String getName() {
+		if (TextUtils.isEmpty(this.name))
+			return unnamedLabelText;
 		return this.name;
 	}
 
@@ -32,14 +37,26 @@ public class Label implements SimpleListItem, NavigationFilter {
 		return count;
 	}
 
+	/**
+	 * Returns true if the torrent label's name matches this (selected) label's name, false otherwise
+	 */
 	@Override
 	public boolean matches(Torrent torrent) {
 		return torrent.getLabelName() != null && torrent.getLabelName().equals(name);
 	}
 
-	public static List<Label> convertToNavigationLabels(List<org.transdroid.daemon.Label> daemonLabels) {
+	/**
+	 * Converts a list of labels as retrieved from a server daemon into a list of labels that can be used in the UI as
+	 * navigation filters.
+	 * @param daemonLabels The raw list of labels as received from the server daemon adapter
+	 * @param unnamedLabel The text to show for the empty label (i.e. the unnamed label)
+	 * @return A label items that can be used in a filter list such as the action bar spinner
+	 */
+	public static List<Label> convertToNavigationLabels(List<org.transdroid.daemon.Label> daemonLabels,
+			String unnamedLabel) {
 		if (daemonLabels == null)
 			return null;
+		unnamedLabelText = unnamedLabel;
 		List<Label> localLabels = new ArrayList<Label>();
 		for (org.transdroid.daemon.Label label : daemonLabels) {
 			localLabels.add(new Label(label));

core/src/org/transdroid/core/gui/navigation/StatusType.java

@@ -86,6 +86,9 @@ public enum StatusType {
 			return name;
 		}
 
+		/**
+		 * Returns true if the torrent status matches this (selected) status type, false otherwise
+		 */
 		@Override
 		public boolean matches(Torrent torrent) {
 			switch (statusType) {