Fix various layout issues.

core/res/drawable/loading_progress.xml

@@ -1,13 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<animation-list xmlns:android="http://schemas.android.com/apk/res/android" >
-
-	<item
-		android:id="@android:id/progress"
-		android:duration="100">
-		<rotate
+<rotate xmlns:android="http://schemas.android.com/apk/res/android"
 	android:drawable="@drawable/ic_empty_details"
 	android:pivotX="50%"
 	android:pivotY="50%" />
-	</item>
-
-</animation-list>

core/res/layout/dialog_about.xml

@@ -32,7 +32,7 @@
 		android:layout_marginTop="@dimen/margin_default"
 		android:fontFamily="sans-serif-condensed"
 		android:gravity="center"
-		android:text="@string/app_developer"
+		android:text="@string/system_developer"
 		android:textColor="@android:color/white"
 		android:textSize="18sp" />
 
@@ -43,6 +43,6 @@
 		android:layout_marginBottom="@dimen/margin_default"
 		android:layout_marginTop="4dip"
 		android:gravity="center"
-		android:text="@string/app_license" />
+		android:text="@string/system_license" />
 
 </LinearLayout>

core/res/layout/fragment_details.xml

@@ -8,9 +8,9 @@
 		android:layout_width="match_parent"
 		android:layout_height="match_parent"
 		android:choiceMode="multipleChoiceModal"
-		android:listSelector="@drawable/selectable_background_transdroid"
 		android:divider="@null"
 		android:dividerHeight="0dip"
+		android:listSelector="@drawable/selectable_background_transdroid"
 		android:visibility="gone" />
 
 	<ProgressBar
@@ -26,10 +26,11 @@
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"
-		android:drawableTop="@drawable/ic_empty_details"
 		android:drawablePadding="8dip"
-		android:text="@string/navigation_emptydetails"
+		android:drawableTop="@drawable/ic_empty_details"
 		android:gravity="center"
+		android:padding="@dimen/margin_default"
+		android:text="@string/navigation_emptydetails"
 		android:textIsSelectable="false"
 		android:visibility="visible" />
 

core/res/layout/fragment_torrents.xml

@@ -17,8 +17,8 @@
 		android:layout_height="wrap_content"
 		android:layout_gravity="center"
 		android:indeterminate="true"
-		android:indeterminateOnly="true"
 		android:indeterminateDrawable="@drawable/loading_progress"
+		android:indeterminateOnly="true"
 		android:visibility="visible" />
 
 	<TextView
@@ -30,10 +30,24 @@
 		android:drawableTop="@drawable/ic_empty_details"
 		android:gravity="center"
 		android:maxWidth="400dip"
+		android:padding="@dimen/margin_default"
 		android:text="@string/navigation_emptytorrents"
 		android:textIsSelectable="false"
 		android:visibility="gone" />
 
+	<TextView
+		android:id="@+id/error_text"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_gravity="center"
+		android:drawablePadding="8dip"
+		android:drawableTop="@drawable/ic_empty_details"
+		android:gravity="center"
+		android:maxWidth="400dip"
+		android:padding="@dimen/margin_default"
+		android:textIsSelectable="false"
+		android:visibility="gone" />
+
 	<TextView
 		android:id="@+id/nosettings_text"
 		android:layout_width="wrap_content"
@@ -43,6 +57,7 @@
 		android:drawableTop="@drawable/ic_empty_details"
 		android:gravity="center"
 		android:maxWidth="400dip"
+		android:padding="@dimen/margin_default"
 		android:text="@string/navigation_nosettings"
 		android:textIsSelectable="false"
 		android:visibility="gone" />

core/res/menu/activity_torrents.xml

@@ -15,7 +15,7 @@
 		android:id="@+id/action_search"
 		android:icon="@drawable/ic_action_search"
 		android:showAsAction="always"
-		android:title="@string/action_settings"/>
+		android:title="@string/action_search"/>
 	<item
 		android:id="@+id/action_rss"
 		android:icon="@drawable/ic_action_rss"

core/res/menu/fragment_details_file.xml

@@ -2,27 +2,27 @@
 
 	<item
 		android:id="@+id/action_off"
-		android:showAsAction="always"
+		android:showAsAction="ifRoom"
 		android:title="@string/action_priority_off" />
 	<item
 		android:id="@+id/action_priority_low"
-		android:showAsAction="always"
+		android:showAsAction="ifRoom"
 		android:title="@string/action_priority_low" />
 	<item
 		android:id="@+id/action_priority_normal"
-		android:showAsAction="always"
+		android:showAsAction="ifRoom"
 		android:title="@string/action_priority_normal" />
 	<item
 		android:id="@+id/action_priority_high"
-		android:showAsAction="always"
+		android:showAsAction="ifRoom"
 		android:title="@string/action_priority_high" />
 	<item
 		android:id="@+id/action_remoteplay"
-		android:showAsAction="always"
+		android:showAsAction="ifRoom"
 		android:title="@string/action_remoteplay" />
 	<item
 		android:id="@+id/action_download"
-		android:showAsAction="always"
+		android:showAsAction="ifRoom"
 		android:title="@string/action_download" />
 
 </menu>

core/res/values/strings.xml

@@ -52,7 +52,7 @@
 	<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>
@@ -103,7 +103,6 @@
 	
 	<string name="search_torrentsearch">Torrent search</string>
 	<string name="search_hint">Search for torrents</string>
-	<string name="search_"></string>
 	
 	<string name="pref_servers">Servers</string>
 	<string name="pref_addserver">Add new server</string>
@@ -257,10 +256,9 @@
 	<string name="error_no_valid_settings_file">File does not seem to contain Transdroid settings</string>
 	<string name="error_file_not_found">There is no settings file found</string>
 	
-	<string name="app_name" translatable="false">Transdroid</string>
-	<string name="app_developer" translatable="false">\u00A9 Eric Kok, 2312 development</string>
-	<string name="app_license" translatable="false">Published under GNU General Public License v3</string>
+	<string name="system_name" translatable="false">Transdroid</string>
+	<string name="system_developer" translatable="false">\u00A9 Eric Kok, 2312 development</string>
+	<string name="system_license" translatable="false">Published under GNU General Public License v3</string>
 	<string name="system_description">Manage your torrents from your Android device</string>
-	<string name="system_libraries">LIBRARIES</string>
 
 </resources>

core/res/xml/pref_system.xml

@@ -16,6 +16,14 @@
 		android:key="system_installhelp"
 		android:title="@string/pref_installhelp" />
 	
+	<Preference
+		android:key="system_importsettings"
+		android:title="@string/pref_import" />
+	
+	<Preference
+		android:key="system_exportsettings"
+		android:title="@string/pref_export" />
+	
 	<Preference
 		android:key="system_changelog"
 		android:title="@string/pref_changelog" />

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

@@ -261,7 +261,11 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 			// Update connection to the newly selected server and refresh
 			currentConnection = server.createServerAdapter();
 			applicationSettings.setLastUsedServer(server);
-			clearScreens();
+			// Clear the currently shown list of torrent and perhaps the details
+			fragmentTorrents.clear();
+			if (fragmentDetails != null) {
+				fragmentDetails.clear();
+			}
 			updateFragmentVisibility(true);
 			refreshTorrents();
 			return;
@@ -311,6 +315,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 	@OptionsItem(resName = "action_refresh")
 	protected void refreshScreen() {
 		refreshTorrents();
+		if (Daemon.supportsStats(currentConnection.getType()))
 			getAdditionalStats();
 	}
 
@@ -334,14 +339,6 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 		startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.transdroid.org/download/")));
 	}
 
-	private void clearScreens() {
-		// Clear the currently shown list of torrent and perhaps the details
-		fragmentTorrents.clear();
-		if (fragmentDetails != null) {
-			fragmentDetails.clear();
-		}
-	}
-
 	@Background
 	protected void refreshTorrents() {
 		fragmentTorrents.updateIsLoading(true);
@@ -479,8 +476,9 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 	@UiThread
 	protected void onCommunicationError(DaemonTaskFailureResult result) {
 		Log.i(this, result.getException().toString());
-		Crouton.showText(this, getString(LocalTorrent.getResourceForDaemonException(result.getException())),
-				navigationHelper.CROUTON_ERROR_STYLE);
+		String error = getString(LocalTorrent.getResourceForDaemonException(result.getException()));
+		Crouton.showText(this, error, navigationHelper.CROUTON_ERROR_STYLE);
+		fragmentTorrents.updateError(error);
 	}
 
 	@UiThread

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

@@ -36,7 +36,9 @@ public class TorrentsFragment extends SherlockFragment {
 	@InstanceState
 	protected boolean hasAConnection = false;
 	@InstanceState
-	protected boolean isLoading = false;
+	protected boolean isLoading = true;
+	@InstanceState
+	protected String connectionErrorMessage = null;
 
 	// Views
 	@ViewById(resName = "torrent_list")
@@ -46,6 +48,8 @@ public class TorrentsFragment extends SherlockFragment {
 	@ViewById
 	protected TextView nosettingsText;
 	@ViewById
+	protected TextView errorText;
+	@ViewById
 	protected ProgressBar loadingProgress;
 
 	@AfterViews
@@ -69,6 +73,7 @@ public class TorrentsFragment extends SherlockFragment {
 	 * Clear currently visible list of torrents
 	 */
 	public void clear() {
+		this.connectionErrorMessage = null;
 		updateTorrents(null);
 	}
 
@@ -171,8 +176,11 @@ public class TorrentsFragment extends SherlockFragment {
 	 */
 	public void updateConnectionStatus(boolean hasAConnection) {
 		this.hasAConnection = hasAConnection;
-		if (!hasAConnection)
-			clear();
+		if (!hasAConnection) {
+			clear(); // Indirectly also calls updateViewVisibility()
+		} else {
+			updateViewVisibility();
+		}
 	}
 
 	/**
@@ -181,8 +189,26 @@ public class TorrentsFragment extends SherlockFragment {
 	 */
 	public void updateIsLoading(boolean isLoading) {
 		this.isLoading = isLoading;
-		if (isLoading)
-			clear();
+		if (isLoading) {
+			clear(); // Indirectly also calls updateViewVisibility()
+		} else {
+			updateViewVisibility();
+		}
+	}
+
+	/**
+	 * Updates the shown screen depending on whether a connection error occurred
+	 * @param connectionErrorMessage The error message from the last failed connection attempt, or null to clear the
+	 *            visible error text
+	 */
+	public void updateError(String connectionErrorMessage) {
+		this.connectionErrorMessage = connectionErrorMessage;
+		errorText.setText(connectionErrorMessage);
+		if (connectionErrorMessage != null) {
+			clear(); // Indirectly also calls updateViewVisibility()
+		} else {
+			updateViewVisibility();
+		}
 	}
 
 	@UiThread
@@ -191,14 +217,17 @@ public class TorrentsFragment extends SherlockFragment {
 			torrentsList.setVisibility(View.GONE);
 			emptyText.setVisibility(View.GONE);
 			loadingProgress.setVisibility(View.GONE);
+			errorText.setVisibility(View.GONE);
 			nosettingsText.setVisibility(View.VISIBLE);
 			return;
 		}
 		boolean isEmpty = torrents == null || torrentsList.getAdapter().isEmpty();
+		boolean hasError = connectionErrorMessage == null;
 		nosettingsText.setVisibility(View.GONE);
-		torrentsList.setVisibility(!isLoading && !isEmpty? View.GONE: View.VISIBLE);
-		loadingProgress.setVisibility(isLoading? View.VISIBLE: View.GONE);
-		emptyText.setVisibility(!isLoading && isEmpty? View.VISIBLE: View.GONE);
+		errorText.setVisibility(hasError? View.VISIBLE : View.GONE);
+		torrentsList.setVisibility(!hasError && !isLoading && !isEmpty ? View.GONE : View.VISIBLE);
+		loadingProgress.setVisibility(!hasError && isLoading ? View.VISIBLE : View.GONE);
+		emptyText.setVisibility(!hasError && !isLoading && isEmpty ? View.VISIBLE : View.GONE);
 	}
 
 	/**

core/src/org/transdroid/core/gui/lists/TorrentDetailsView.java

@@ -63,6 +63,7 @@ public class TorrentDetailsView extends RelativeLayout {
 		} else {
 			dateaddedText.setVisibility(View.INVISIBLE);
 		}
+		
 		statusText.setText(getResources().getString(R.string.status_status, local.getProgressStatusEta(getResources())));
 		ratioText.setText(getResources().getString(R.string.status_ratio, local.getRatioString()));
 		// TODO: Implement separate numbers of seeders and leechers

core/src/org/transdroid/core/gui/lists/TorrentFileView.java

@@ -33,11 +33,11 @@ public class TorrentFileView extends CheckableRelativeLayout {
 		switch (torrentFile.getPriority()) {
 		case Off:
 			priorityImage.setImageResource(R.drawable.ic_priority_off);
-			priorityImage.setContentDescription(getResources().getString(R.string.status_priority_low));
+			priorityImage.setContentDescription(getResources().getString(R.string.status_priority_off));
 			break;
 		case Low:
 			priorityImage.setImageResource(R.drawable.ic_priority_low);
-			priorityImage.setContentDescription(getResources().getString(R.string.status_priority_normal));
+			priorityImage.setContentDescription(getResources().getString(R.string.status_priority_low));
 			break;
 		case Normal:
 			priorityImage.setImageResource(R.drawable.ic_priority_normal);

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

@@ -5,11 +5,10 @@ import org.androidannotations.annotations.RootContext;
 import org.transdroid.core.R;
 
 import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.os.Build;
+import de.keyboardsurfer.android.widget.crouton.Crouton;
 import de.keyboardsurfer.android.widget.crouton.Style;
 
 /**
@@ -24,10 +23,17 @@ public class NavigationHelper {
 	@RootContext
 	protected Context context;
 
+	/**
+	 * Use with {@link Crouton#showText(android.app.Activity, int, Style)} (and variants) to display error messages.
+	 */
 	public Style CROUTON_ERROR_STYLE = new Style.Builder().setBackgroundColor(R.color.crouton_error).setTextSize(13)
-			.build();
+			.setDuration(2500).build();
+	
+	/**
+	 * Use with {@link Crouton#showText(android.app.Activity, int, Style)} (and variants) to display info messages.
+	 */
 	public Style CROUTON_INFO_STYLE = new Style.Builder().setBackgroundColor(R.color.crouton_info).setTextSize(13)
-			.build();
+			.setDuration(1500).build();
 
 	/**
 	 * Whether any search-related UI components should be shown in the interface. At the moment returns false only if we
@@ -72,18 +78,4 @@ public class NavigationHelper {
 		return !context.getPackageName().equals("org.transdroid.lite");
 	}
 
-	/**
-	 * Whether the navigation of server types and labels as filter are shown in a separate fragment.
-	 * @return True if navigation is in a separate fragment, false if the items are shown in the action bar spinner
-	 */
-	@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
-	public boolean showFiltersInFragment() {
-		if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
-			if (context.getResources().getConfiguration().screenWidthDp >= 600) {
-				return true;
-			}
-		}
-		return false;
-	}
-
 }

core/src/org/transdroid/core/gui/settings/SystemSettingsActivity.java

@@ -40,6 +40,8 @@ public class SystemSettingsActivity extends SherlockPreferenceActivity {
 		findPreference("system_sendlog").setOnPreferenceClickListener(onSendLogClick);
 		findPreference("system_installhelp").setOnPreferenceClickListener(onInstallHelpClick);
 		findPreference("system_changelog").setOnPreferenceClickListener(onChangeLogClick);
+		findPreference("system_importsettings").setOnPreferenceClickListener(onImportSettingsClick);
+		findPreference("system_exportsettings").setOnPreferenceClickListener(onExportSettingsClick);
 		findPreference("system_about").setOnPreferenceClickListener(onAboutClick);
 	}
 
@@ -59,6 +61,22 @@ public class SystemSettingsActivity extends SherlockPreferenceActivity {
 		}
 	};
 
+	private OnPreferenceClickListener onImportSettingsClick = new OnPreferenceClickListener() {
+		@Override
+		public boolean onPreferenceClick(Preference preference) {
+			// TODO: Allow import of settings
+			return true;
+		}
+	};
+
+	private OnPreferenceClickListener onExportSettingsClick = new OnPreferenceClickListener() {
+		@Override
+		public boolean onPreferenceClick(Preference preference) {
+			// TODO: Allow export of settings
+			return true;
+		}
+	};
+	
 	private OnPreferenceClickListener onChangeLogClick = new OnPreferenceClickListener() {
 		@SuppressWarnings("deprecation")
 		@Override

full/AndroidManifest.xml

@@ -24,7 +24,7 @@
 	<application
 		android:allowBackup="true"
 		android:icon="@drawable/ic_launcher"
-		android:label="@string/app_name"
+		android:label="@string/system_name"
 		android:theme="@style/Theme.Sherlock" >
 
 		<!-- Main activities -->

lite/AndroidManifest.xml

@@ -24,7 +24,7 @@
 	<application
 		android:allowBackup="true"
 		android:icon="@drawable/ic_launcher"
-		android:label="@string/app_name"
+		android:label="@string/system_name"
 		android:theme="@style/Theme.Sherlock" >
 
 		<!-- Main activities -->