2012-06-26 Santiago Munin <burning1@gmail.com>

* src/pandroid_event_viewer/pandorafms/API.java: Added new api calls.
	* src/pandroid_event_viewer/pandorafms/Core.java: Now connections can throw IOExceptions.
	* res/values/strings.xml: Added new entries.
	* src/pandroid_event_viewer/pandorafms/Options.java,
	  src/pandroid_event_viewer/pandorafms/CreateIncidentActivity.java,
      	  src/pandroid_event_viewer/pandorafms/PandroidEventviewerActivity.java,
      	  src/pandroid_event_viewer/pandorafms/PandroidEventviewerService.java,
      	  src/pandroid_event_viewer/pandorafms/EventList.java,
      	  src/pandroid_event_viewer/pandorafms/PopupValidationEvent.java,
      	  src/pandroid_event_viewer/pandorafms/Main.java: Now a toast is shown if there was any connection problem.


git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@6707 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f

extras/pandroid_event_viewer/ChangeLog

@@ -1,3 +1,16 @@
+2012-06-26 Santiago Munín <burning1@gmail.com>
+
+	* src/pandroid_event_viewer/pandorafms/API.java: Added new api calls.
+	* src/pandroid_event_viewer/pandorafms/Core.java: Now connections can throw IOExceptions.
+	* res/values/strings.xml: Added new entries.
+	* src/pandroid_event_viewer/pandorafms/Options.java,
+	  src/pandroid_event_viewer/pandorafms/CreateIncidentActivity.java,
+      src/pandroid_event_viewer/pandorafms/PandroidEventviewerActivity.java,
+      src/pandroid_event_viewer/pandorafms/PandroidEventviewerService.java,
+      src/pandroid_event_viewer/pandorafms/EventList.java,
+      src/pandroid_event_viewer/pandorafms/PopupValidationEvent.java,
+      src/pandroid_event_viewer/pandorafms/Main.java: Now a toast is shown if there was any connection problem.
+
 2012-06-25 Santiago Munín <burning1@gmail.com>
 	
 	* src/pandroid_event_viewer/pandorafms/CreateIncidentActivity.java: Fixed a UI bug and refactorized the API call.

extras/pandroid_event_viewer/res/values/strings.xml

@@ -128,4 +128,6 @@
 	<string name="profile_already_exists">A profile with that name already exists.</string>
 	<string name="profile_name_character_not_allowed">The | character is not allowed.</string>
 	<string name="profile_delete">Delete profile</string>
+	<string name="connection_problem">There was a problem. Check your connection.</string>
+	<string name="connection_settings_problem">The operation can not be performed until you configure a correct connection.</string>
 </resources>

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/API.java

@@ -1,5 +1,6 @@
 package pandroid_event_viewer.pandorafms;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -21,27 +22,26 @@ public class API {
 	 * @param context
 	 *            Application context.
 	 * @return Map containing id -> group.
+	 * @throws IOException
+	 *             If there is a problem with the connection.
 	 */
-	public static Map<Integer, String> getGroups(Context context) {
+	public static Map<Integer, String> getGroups(Context context)
+			throws IOException {
 		Map<Integer, String> result = new HashMap<Integer, String>();
-		try {
+		List<NameValuePair> parameters = new ArrayList<NameValuePair>();
-			List<NameValuePair> parameters = new ArrayList<NameValuePair>();
+		parameters.add(new BasicNameValuePair("op", "get"));
-			parameters.add(new BasicNameValuePair("op", "get"));
+		parameters.add(new BasicNameValuePair("op2", "groups"));
-			parameters.add(new BasicNameValuePair("op2", "groups"));
+		parameters.add(new BasicNameValuePair("other_mode",
-			parameters.add(new BasicNameValuePair("other_mode",
+				"url_encode_separator_|"));
-					"url_encode_separator_|"));
+		parameters.add(new BasicNameValuePair("return_type", "csv"));
-			parameters.add(new BasicNameValuePair("return_type", "csv"));
+		parameters.add(new BasicNameValuePair("other", ";"));
-			parameters.add(new BasicNameValuePair("other", ";"));
 
-			String return_api = Core.httpGet(context, parameters);
+		String return_api = Core.httpGet(context, parameters);
-			String[] lines = return_api.split("\n");
+		String[] lines = return_api.split("\n");
 
-			for (int i = 0; i < lines.length; i++) {
+		for (int i = 0; i < lines.length; i++) {
-				String[] groups = lines[i].split(";", 21);
+			String[] groups = lines[i].split(";", 21);
-				result.put(Integer.valueOf(groups[0]), groups[1]);
+			result.put(Integer.valueOf(groups[0]), groups[1]);
-			}
-		} catch (Exception e) {
-			Log.e(TAG + ": getting groups", e.getMessage());
 		}
 		return result;
 	}
@@ -51,24 +51,23 @@ public class API {
 	 * 
 	 * @param context
 	 * @return Map containing id -> agent.
+	 * @throws IOException
+	 *             If there is a problem with the connection.
 	 */
-	public static Map<Integer, String> getAgents(Context context) {
+	public static Map<Integer, String> getAgents(Context context)
+			throws IOException {
 		Map<Integer, String> result = new HashMap<Integer, String>();
-		try {
+		List<NameValuePair> parameters = new ArrayList<NameValuePair>();
-			List<NameValuePair> parameters = new ArrayList<NameValuePair>();
+		parameters.add(new BasicNameValuePair("op", "get"));
-			parameters.add(new BasicNameValuePair("op", "get"));
+		parameters.add(new BasicNameValuePair("op2", "all_agents"));
-			parameters.add(new BasicNameValuePair("op2", "all_agents"));
+		parameters.add(new BasicNameValuePair("return_type", "csv"));
-			parameters.add(new BasicNameValuePair("return_type", "csv"));
 
-			String return_api = Core.httpGet(context, parameters);
+		String return_api = Core.httpGet(context, parameters);
-			String[] lines = return_api.split("\n");
+		String[] lines = return_api.split("\n");
 
-			for (int i = 0; i < lines.length; i++) {
+		for (int i = 0; i < lines.length; i++) {
-				String[] agents = lines[i].split(";");
+			String[] agents = lines[i].split(";");
-				result.put(Integer.valueOf(agents[0]), agents[1]);
+			result.put(Integer.valueOf(agents[0]), agents[1]);
-			}
-		} catch (Exception e) {
-			Log.e(TAG + ": getting groups", e.getMessage());
 		}
 		return result;
 	}
@@ -79,20 +78,19 @@ public class API {
 	 * @param context
 	 *            Application context.
 	 * @return API version or empty string if fails.
+	 * @throws IOException
+	 *             If there is a problem with the connection.
 	 */
-	public static String getVersion(Context context) {
+	public static String getVersion(Context context) throws IOException {
-		try {
+		List<NameValuePair> parameters = new ArrayList<NameValuePair>();
-			List<NameValuePair> parameters = new ArrayList<NameValuePair>();
+		parameters.add(new BasicNameValuePair("op", "get"));
-			parameters.add(new BasicNameValuePair("op", "get"));
+		parameters.add(new BasicNameValuePair("op2", "test"));
-			parameters.add(new BasicNameValuePair("op2", "test"));
+		String return_api;
-			String return_api = Core.httpGet(context, parameters);
+		return_api = Core.httpGet(context, parameters);
-			// TODO wait version
+		// TODO wait version
-			if (return_api.contains("OK")) {
+		if (return_api.contains("OK")) {
-				return "4.0.2";
+			return "4.0.2";
-			} else {
+		} else {
-				return "";
-			}
-		} catch (Exception e) {
 			return "";
 		}
 	}
@@ -101,8 +99,11 @@ public class API {
 	 * Get events from pandora console.
 	 * 
 	 * @param newEvents
+	 * @throws IOException
+	 *             If there is a problem with the connection.
 	 */
-	public static String getEvents(Context context, String other) {
+	public static String getEvents(Context context, String other)
+			throws IOException {
 		// Get total count.
 		ArrayList<NameValuePair> parameters = new ArrayList<NameValuePair>();
 		parameters.add(new BasicNameValuePair("op", "get"));
@@ -118,34 +119,39 @@ public class API {
 	 * Get tags through an api call.
 	 * 
 	 * @return A list of groups.
+	 * @throws IOException
+	 *             If there is a problem with the connection.
+	 * 
 	 */
-	public static List<String> getTags(Context context) {
+	public static List<String> getTags(Context context) throws IOException {
 		ArrayList<String> array = new ArrayList<String>();
-		try {
+		List<NameValuePair> parameters = new ArrayList<NameValuePair>();
-			List<NameValuePair> parameters = new ArrayList<NameValuePair>();
+		parameters.add(new BasicNameValuePair("op", "get"));
-			parameters.add(new BasicNameValuePair("op", "get"));
+		parameters.add(new BasicNameValuePair("op2", "tags"));
-			parameters.add(new BasicNameValuePair("op2", "tags"));
+		parameters.add(new BasicNameValuePair("return_type", "csv"));
-			parameters.add(new BasicNameValuePair("return_type", "csv"));
+		String return_api = Core.httpGet(context, parameters);
-			String return_api = Core.httpGet(context, parameters);
+		String[] lines = return_api.split("\n");
-			String[] lines = return_api.split("\n");
+		array.add("");
-			array.add("");
+		for (int i = 0; i < lines.length; i++) {
-			for (int i = 0; i < lines.length; i++) {
+			String[] tags = lines[i].split(";", 2);
-				String[] tags = lines[i].split(";", 2);
+			array.add(tags[1]);
-				array.add(tags[1]);
-			}
-		} catch (Exception e) {
-			Log.e(TAG, "getting tags problem");
 		}
 		return array;
 	}
 
 	/**
 	 * Creates new incident in console.
-	 * @param context Application context
+	 * 
-	 * @param incidentParameters Incident data
+	 * @param context
+	 *            Application context
+	 * @param incidentParameters
+	 *            Incident data
+	 * @throws IOException
+	 *             If there is any problem with the connection.
+	 * 
 	 */
 	public static void createNewIncident(Context context,
-			String[] incidentParameters) {
+			String[] incidentParameters) throws IOException {
 		Log.i(TAG, "Sending new incident");
 		List<NameValuePair> parameters = new ArrayList<NameValuePair>();
 		parameters.add(new BasicNameValuePair("op", "set"));
@@ -156,4 +162,36 @@ public class API {
 				.serializeParams2Api(incidentParameters)));
 		Core.httpGet(context, parameters);
 	}
+
+	/**
+	 * Validates an event.
+	 * 
+	 * @param context
+	 *            Application context.
+	 * @param idEvent
+	 *            Id of event.
+	 * @param comment
+	 *            Validation comment.
+	 * @return <b>true</b> if validation was done.
+	 * @throws IOException
+	 *             If here is any connection problem.
+	 */
+	public static boolean validateEvent(Context context, int idEvent,
+			String comment) throws IOException {
+		List<NameValuePair> parameters;
+		// Set event validation.
+		parameters = new ArrayList<NameValuePair>();
+		parameters.add(new BasicNameValuePair("op", "set"));
+		parameters.add(new BasicNameValuePair("op2", "validate_events"));
+		parameters.add(new BasicNameValuePair("id", Integer.valueOf(idEvent)
+				.toString()));
+		parameters.add(new BasicNameValuePair("other", comment));
+		String return_api = Core.httpGet(context, parameters);
+
+		if (return_api.startsWith("Correct validation")) {
+			return true;
+		} else {
+			return false;
+		}
+	}
 }

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/Core.java

@@ -22,6 +22,7 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.security.KeyManagementException;
@@ -61,6 +62,7 @@ import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.util.Log;
 import android.widget.TextView;
+import android.widget.Toast;
 
 /**
  * This class provides basic functions to manage services and some received
@@ -304,9 +306,11 @@ public class Core {
 	 * @param additionalParameters
 	 *            Petition additional parameters
 	 * @return Petition result.
+	 * @throws IOException
+	 *             If there is any problem with the connection.
 	 */
 	public static String httpGet(Context context,
-			List<NameValuePair> additionalParameters) {
+			List<NameValuePair> additionalParameters) throws IOException {
 		SharedPreferences preferences = context.getSharedPreferences(
 				context.getString(R.string.const_string_preferences),
 				Activity.MODE_PRIVATE);
@@ -324,8 +328,7 @@ public class Core {
 		if (url.toLowerCase().contains("https")) {
 			// Secure connection
 			return Core.httpsGet(url, parameters);
-		}
+		} else {
-		try {
 			DefaultHttpClient httpClient = new DefaultHttpClient();
 			UrlEncodedFormEntity entity;
 			HttpPost httpPost;
@@ -340,10 +343,7 @@ public class Core {
 			return_api = Core
 					.convertStreamToString(entityResponse.getContent());
 			return return_api;
-		} catch (Exception e) {
-			Log.e(TAG + " http petition", e.getMessage());
 		}
-		return "";
 	}
 
 	/**
@@ -461,8 +461,7 @@ public class Core {
 	 */
 	public static boolean isOnline(URL url) {
 		try {
-			HttpsURLConnection con = (HttpsURLConnection) url
+			HttpsURLConnection con = (HttpsURLConnection) url.openConnection();
-					.openConnection();
 			con.setHostnameVerifier(new HostnameVerifier() {
 				public boolean verify(String hostname, SSLSession session) {
 					return true;
@@ -485,12 +484,16 @@ public class Core {
 	 * @param parameters
 	 *            Petition parameters
 	 * @return Result of the petition.
+	 * @throws IOException
+	 *             If there is any problem with connection.
+	 * 
 	 */
-	private static String httpsGet(String url, List<NameValuePair> parameters) {
+	private static String httpsGet(String url, List<NameValuePair> parameters)
+			throws IOException {
 		String result = "";
+		HttpsURLConnection con;
 		try {
-			HttpsURLConnection con = (HttpsURLConnection) new URL(url)
+			con = (HttpsURLConnection) new URL(url).openConnection();
-					.openConnection();
 			con.setHostnameVerifier(new HostnameVerifier() {
 				public boolean verify(String hostname, SSLSession session) {
 					return true;
@@ -522,8 +525,9 @@ public class Core {
 				Log.d("CONTENT", temp);
 				result += temp + "\n";
 			}
-		} catch (IOException e) {
+		} catch (MalformedURLException e) {
-			return "";
+			// Can't reach here because the given url is checked when is
+			// inserted in Options activity.
 		}
 		return result;
 	}
@@ -553,4 +557,31 @@ public class Core {
 		}
 		return sslSocketFactory;
 	}
+
+	/**
+	 * Shows a toast which will show the connection problem message. Do not call
+	 * outside the UI's thread.
+	 * 
+	 * @param context
+	 *            Application context.
+	 * @param ignoreConnectionCheck
+	 *            If true it shows the toast even if the connection is not
+	 *            correctly configured.
+	 */
+	public static void showConnectionProblemToast(Context context,
+			boolean ignoreConnectionCheck) {
+		SharedPreferences preferences = context.getSharedPreferences(
+				context.getString(R.string.const_string_preferences),
+				Activity.MODE_PRIVATE);
+		if (preferences.getBoolean("online", false)) {
+			Toast.makeText(context, R.string.connection_problem,
+					Toast.LENGTH_SHORT).show();
+		} else {
+			if (ignoreConnectionCheck) {
+				Toast.makeText(context, R.string.connection_settings_problem,
+						Toast.LENGTH_SHORT).show();
+			}
+		}
+
+	}
 }

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/CreateIncidentActivity.java

@@ -1,5 +1,6 @@
 package pandroid_event_viewer.pandorafms;
 
+import java.io.IOException;
 import java.util.Map.Entry;
 
 import android.app.Activity;
@@ -83,8 +84,10 @@ public class CreateIncidentActivity extends Activity {
 	 * Performs the create incident petition.
 	 * 
 	 * @return <b>true</b> if it is created.
+	 * @throws IOException
+	 *             If there is a problem with the connection.
 	 */
-	private boolean sendNewIncident() {
+	private void sendNewIncident() throws IOException {
 		Log.i(TAG, "Sending new incident");
 		String incidentParams[] = new String[6];
 		incidentParams[0] = title.getText().toString();
@@ -101,11 +104,8 @@ public class CreateIncidentActivity extends Activity {
 		}
 		if (groupCode >= 0) {
 			incidentParams[5] = String.valueOf(groupCode);
-		} else {
-			return false;
 		}
 		API.createNewIncident(getApplicationContext(), incidentParams);
-		return true;
 	}
 
 	/**
@@ -119,7 +119,12 @@ public class CreateIncidentActivity extends Activity {
 
 		@Override
 		protected Boolean doInBackground(Void... params) {
-			return sendNewIncident();
+			try {
+				sendNewIncident();
+				return true;
+			} catch (IOException e) {
+				return false;
+			}
 		}
 
 		@Override

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/EventList.java

@@ -129,7 +129,7 @@ public class EventList extends ListActivity {
 			toggleLoadingLayout();
 
 			this.object.showOptionsFirstTime = false;
-			this.object.executeBackgroundGetEvents();
+			this.object.executeBackgroundGetEvents(false);
 		}
 	}
 
@@ -171,7 +171,7 @@ public class EventList extends ListActivity {
 			this.object.getNewListEvents = true;
 			this.object.eventList = new ArrayList<EventListItem>();
 			this.toggleLoadingLayout();
-			this.object.executeBackgroundGetEvents();
+			this.object.executeBackgroundGetEvents(true);
 			break;
 		case R.id.about_button_menu_options:
 			i = new Intent(this, About.class);
@@ -260,7 +260,7 @@ public class EventList extends ListActivity {
 		la.showLoadingEvents = true;
 		la.notifyDataSetChanged();
 
-		object.executeBackgroundGetEvents();
+		object.executeBackgroundGetEvents(true);
 	}
 
 	/**

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/Main.java

@@ -16,6 +16,7 @@ GNU General Public License for more details.
  */
 package pandroid_event_viewer.pandorafms;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -203,6 +204,8 @@ public class Main extends Activity {
 							 * R.string.profile_already_exists,
 							 * Toast.LENGTH_SHORT).show(); break; }
 							 */
+							// TODO Ask for a confirmation before rewriting the
+							// profile
 							if (profileName.getText().toString().contains("|")) {
 								Toast.makeText(
 										context,
@@ -291,38 +294,45 @@ public class Main extends Activity {
 	 * @author Miguel de Dios Matías
 	 * 
 	 */
-	private class GetGroupsAsyncTask extends AsyncTask<Void, Void, Void> {
+	private class GetGroupsAsyncTask extends AsyncTask<Void, Void, Boolean> {
 		private List<String> list;
 
 		@Override
-		protected Void doInBackground(Void... params) {
+		protected Boolean doInBackground(Void... params) {
 			list = new ArrayList<String>();
-			list.addAll(API.getGroups(getApplicationContext()).values());
+			try {
-			return null;
+				list.addAll(API.getGroups(getApplicationContext()).values());
+			} catch (IOException e) {
+				return false;
+			}
+			return true;
 		}
 
 		@Override
-		protected void onPostExecute(Void unused) {
+		protected void onPostExecute(Boolean result) {
-			Spinner combo = (Spinner) findViewById(R.id.group_combo);
-
-			ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(
-					getApplicationContext(),
-					android.R.layout.simple_spinner_item, list);
-			combo.setAdapter(spinnerArrayAdapter);
-			combo.setSelection(0);
-
 			ProgressBar loadingGroup = (ProgressBar) findViewById(R.id.loading_group);
-
 			loadingGroup.setVisibility(ProgressBar.GONE);
-			combo.setVisibility(Spinner.VISIBLE);
+			if (result) {
+				Spinner combo = (Spinner) findViewById(R.id.group_combo);
 
-			Button buttonReset = (Button) findViewById(R.id.button_reset);
+				ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(
-			Button buttonSearch = (Button) findViewById(R.id.button_send);
+						getApplicationContext(),
-			Button buttonbuttonSetAsFilterWatcher = (Button) findViewById(R.id.button_set_as_filter_watcher);
+						android.R.layout.simple_spinner_item, list);
+				combo.setAdapter(spinnerArrayAdapter);
+				combo.setSelection(0);
 
-			buttonReset.setEnabled(true);
+				Button buttonReset = (Button) findViewById(R.id.button_reset);
-			buttonSearch.setEnabled(true);
+				Button buttonSearch = (Button) findViewById(R.id.button_send);
-			buttonbuttonSetAsFilterWatcher.setEnabled(true);
+				Button buttonbuttonSetAsFilterWatcher = (Button) findViewById(R.id.button_set_as_filter_watcher);
+
+				buttonReset.setEnabled(true);
+				buttonSearch.setEnabled(true);
+				buttonbuttonSetAsFilterWatcher.setEnabled(true);
+			} else {
+				// Only this task will show the toast in order to prevent a
+				// message repeated.
+				Core.showConnectionProblemToast(getApplicationContext(), false);
+			}
 		}
 	}
 
@@ -332,33 +342,35 @@ public class Main extends Activity {
 	 * @author Santiago Munín González
 	 * 
 	 */
-	private class GetTagsAsyncTask extends AsyncTask<Void, Void, Void> {
+	private class GetTagsAsyncTask extends AsyncTask<Void, Void, Boolean> {
 		private List<String> list;
 
 		@Override
-		protected Void doInBackground(Void... params) {
+		protected Boolean doInBackground(Void... params) {
-			list = API.getTags(getApplicationContext());
+			try {
-			return null;
+				list = API.getTags(getApplicationContext());
+				return true;
+			} catch (IOException e) {
+				return false;
+			}
 		}
 
 		@Override
-		protected void onPostExecute(Void unused) {
+		protected void onPostExecute(Boolean result) {
-			Spinner combo = (Spinner) findViewById(R.id.tag);
+			if (result) {
-
+				Spinner combo = (Spinner) findViewById(R.id.tag);
-			ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(
-					getApplicationContext(),
-					android.R.layout.simple_spinner_item, list);
-			combo.setAdapter(spinnerArrayAdapter);
-			combo.setSelection(0);
 
+				ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(
+						getApplicationContext(),
+						android.R.layout.simple_spinner_item, list);
+				combo.setAdapter(spinnerArrayAdapter);
+				combo.setSelection(0);
+			}
 			ProgressBar loadingGroup = (ProgressBar) findViewById(R.id.loading_tag);
-
 			loadingGroup.setVisibility(ProgressBar.GONE);
-			combo.setVisibility(Spinner.VISIBLE);
 		}
 	}
 
-	// For options
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu) {
 		MenuInflater inflater = getMenuInflater();
@@ -432,7 +444,7 @@ public class Main extends Activity {
 			this.object.eventTag = combo.getSelectedItem().toString();
 		}
 		this.object.getNewListEvents = true;
-		this.object.executeBackgroundGetEvents();
+		this.object.executeBackgroundGetEvents(true);
 
 		TabActivity ta = (TabActivity) this.getParent();
 		ta.getTabHost().setCurrentTab(1);

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/Options.java

@@ -16,6 +16,7 @@ GNU General Public License for more details.
  */
 package pandroid_event_viewer.pandorafms;
 
+import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
 
@@ -231,7 +232,7 @@ public class Options extends Activity {
 					Toast.LENGTH_LONG);
 			toast.show();
 		}
-		
+
 	}
 
 	/**
@@ -284,27 +285,30 @@ public class Options extends Activity {
 	 * 
 	 */
 	private class CheckConnectionAsyncTask extends
-			AsyncTask<Void, Void, String> {
+			AsyncTask<Void, Void, Boolean> {
 
-		private boolean connectionOk = false;
+		private String version = "";
 
 		@Override
-		protected String doInBackground(Void... arg0) {
+		protected Boolean doInBackground(Void... arg0) {
-			String version = API.getVersion(getApplicationContext());
+			try {
-			if (version.length() > 0) {
+				version = API.getVersion(getApplicationContext());
-				this.connectionOk = true;
+				if (version.length() > 0) {
-			} else {
+					return true;
-				this.connectionOk = false;
+				} else {
+					return false;
+				}
+			} catch (IOException e) {
+				return false;
 			}
-			return version;
 		}
 
 		/**
-		 * Choose an image (ok or wrong)
+		 * Chooses an image (ok or wrong)
 		 */
-		protected void onPostExecute(String v) {
+		protected void onPostExecute(Boolean result) {
-			if (this.connectionOk) {
+			if (result) {
-				connectionStatus.setText(v);
+				connectionStatus.setText(version);
 				connectionStatus.setCompoundDrawablesWithIntrinsicBounds(0, 0,
 						0, R.drawable.ok);
 			} else {
@@ -323,6 +327,12 @@ public class Options extends Activity {
 		protected Boolean doInBackground(URL... arg0) {
 			url = arg0[0];
 			online = Core.isOnline(url);
+			SharedPreferences preferences = getSharedPreferences(
+					context.getString(R.string.const_string_preferences),
+					Activity.MODE_PRIVATE);
+			SharedPreferences.Editor editorPreferences = preferences.edit();
+			editorPreferences.putBoolean("online", online);
+			editorPreferences.commit();
 			return Core.isValidCertificate(arg0[0]);
 
 		}

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/PandroidEventviewerActivity.java

@@ -17,6 +17,7 @@ GNU General Public License for more details.
 
 package pandroid_event_viewer.pandorafms;
 
+import java.io.IOException;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Date;
@@ -173,7 +174,7 @@ public class PandroidEventviewerActivity extends TabActivity implements
 			process_notification(i);
 		}
 		if (changes || this.showTabListFirstTime) {
-			executeBackgroundGetEvents();
+			executeBackgroundGetEvents(false);
 			this.showTabListFirstTime = false;
 		}
 
@@ -254,7 +255,7 @@ public class PandroidEventviewerActivity extends TabActivity implements
 			this.loadInProgress = true;
 			this.getNewListEvents = true;
 			this.eventList = new ArrayList<EventListItem>();
-			executeBackgroundGetEvents();
+			executeBackgroundGetEvents(true);
 		}
 	}
 
@@ -288,8 +289,11 @@ public class PandroidEventviewerActivity extends TabActivity implements
 	/**
 	 * Get events from pandora console.
 	 * 
+	 * @throws IOException
+	 *             If there is any connection problem.
+	 * 
 	 */
-	private void getEvents() {
+	private void getEvents() throws IOException {
 		// Get total count.
 		String return_api = API.getEvents(getApplicationContext(),
 				serializeParams2Api(true));
@@ -417,13 +421,12 @@ public class PandroidEventviewerActivity extends TabActivity implements
 
 	/**
 	 * Executes the async task of getting events.
+	 * 
+	 * @param underDemand
+	 *            <b>true</b> if the petition was under demand.
 	 */
-	public void executeBackgroundGetEvents() {
+	public void executeBackgroundGetEvents(boolean underDemand) {
-		if (adapter != null) {
+		new GetEventsAsyncTask(underDemand).execute();
-			new GetEventsAsyncTask(adapter).execute();
-		} else {
-			new GetEventsAsyncTask(null).execute();
-		}
 	}
 
 	/**
@@ -434,22 +437,30 @@ public class PandroidEventviewerActivity extends TabActivity implements
 	 */
 	public class GetEventsAsyncTask extends AsyncTask<Void, Void, Void> {
 
-		private BaseAdapter adapter;
+		private boolean underDemand;
+		private boolean connectionProblem = false;
 
-		public GetEventsAsyncTask(BaseAdapter adapter) {
+		public GetEventsAsyncTask(Boolean underDemand) {
-			this.adapter = adapter;
+			this.underDemand = underDemand;
 		}
 
 		@Override
 		protected Void doInBackground(Void... params) {
 			Log.i(TAG + " GetEventsAsyncTask", "doInBackground");
-			getEvents();
+			try {
-
+				getEvents();
+			} catch (IOException e) {
+				connectionProblem = true;
+			}
 			return null;
 		}
 
 		@Override
-		protected void onPostExecute(Void unused) {
+		protected void onPostExecute(Void result) {
+			if (connectionProblem) {
+				Core.showConnectionProblemToast(getApplicationContext(),
+						underDemand);
+			}
 			Intent i = new Intent("eventlist.java");
 
 			if (getNewListEvents) {

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/PandroidEventviewerService.java

@@ -16,6 +16,7 @@ GNU General Public License for more details.
  */
 package pandroid_event_viewer.pandorafms;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.List;
@@ -64,7 +65,10 @@ public class PandroidEventviewerService extends IntentService {
 
 	@Override
 	protected void onHandleIntent(Intent intent) {
-		checkNewEvents(getApplicationContext());
+		try {
+			checkNewEvents(getApplicationContext());
+		} catch (IOException e) {
+		}
 
 	}
 
@@ -72,8 +76,10 @@ public class PandroidEventviewerService extends IntentService {
 	 * Checks if there are new events and, in that case, throw a notification.
 	 * 
 	 * @param context
+	 * @throws IOException
+	 *             If there is any connection problem.
 	 */
-	public void checkNewEvents(Context context) {
+	public void checkNewEvents(Context context) throws IOException {
 		Log.d(TAG, "Checking events at "
 				+ Calendar.getInstance().getTime().toGMTString());
 		if (this.url == null) {
@@ -97,8 +103,9 @@ public class PandroidEventviewerService extends IntentService {
 					"url_encode_separator_|"));
 			parameters.add(new BasicNameValuePair("return_type", "csv"));
 			parameters.add(new BasicNameValuePair("other", parametersAPI));
-			String return_api = Core.httpGet(getApplicationContext(),
+			String return_api;
-					parameters);
+			return_api = Core.httpGet(getApplicationContext(), parameters);
+
 			Log.i(TAG + " checkNewEvents", return_api);
 			return_api = return_api.replace("\n", "");
 			try {

extras/pandroid_event_viewer/src/pandroid_event_viewer/pandorafms/PopupValidationEvent.java

@@ -16,11 +16,7 @@ GNU General Public License for more details.
  */
 package pandroid_event_viewer.pandorafms;
 
-import java.util.ArrayList;
+import java.io.IOException;
-import java.util.List;
-
-import org.apache.http.NameValuePair;
-import org.apache.http.message.BasicNameValuePair;
 
 import android.app.Activity;
 import android.content.Intent;
@@ -84,64 +80,48 @@ public class PopupValidationEvent extends Activity {
 		finish();
 	}
 
-	/**
-	 * Sends the validation to server.
-	 * 
-	 * @return <b>true</b> if it was done.
-	 */
-	private boolean sendValidation() {
-		boolean return_var = false;
-
-		List<NameValuePair> parameters;
-		// Set event validation.
-		parameters = new ArrayList<NameValuePair>();
-		parameters.add(new BasicNameValuePair("op", "set"));
-		parameters.add(new BasicNameValuePair("op2", "validate_events"));
-		parameters.add(new BasicNameValuePair("id", Integer.valueOf(this.id_event)
-				.toString()));
-		parameters.add(new BasicNameValuePair("other", this.comment));
-		String return_api = Core.httpGet(getApplicationContext(), parameters);
-
-		if (return_api.startsWith("Correct validation")) {
-			return_var = true;
-		}
-		return return_var;
-	}
-
 	/**
 	 * Sends a validation (async task)
 	 * 
 	 * @author Miguel de Dios Matías
 	 * 
 	 */
-	private class SendValidationAsyncTask extends AsyncTask<Void, Void, Void> {
+	private class SendValidationAsyncTask extends
+			AsyncTask<Void, Void, Boolean> {
 
-		private boolean result;
+		private boolean connectionProblem = false;
 
 		@Override
-		protected Void doInBackground(Void... params) {
+		protected Boolean doInBackground(Void... params) {
-			result = sendValidation();
+			int idEvent = Integer.valueOf(id_event);
-
+			try {
-			return null;
+				return API.validateEvent(getApplicationContext(), idEvent,
+						comment);
+			} catch (IOException e) {
+				connectionProblem = true;
+				return false;
+			}
 		}
 
 		@Override
-		protected void onPostExecute(Void unused) {
+		protected void onPostExecute(Boolean result) {
 			String text;
-
+			if (connectionProblem) {
-			if (result) {
+				Core.showConnectionProblemToast(getApplicationContext(), true);
-				text = getApplicationContext().getString(
-						R.string.successful_validate_event_str);
 			} else {
-				text = getApplicationContext().getString(
+				if (result) {
-						R.string.fail_validate_event_str);
+					text = getApplicationContext().getString(
+							R.string.successful_validate_event_str);
+				} else {
+					text = getApplicationContext().getString(
+							R.string.fail_validate_event_str);
+				}
+
+				Toast toast = Toast.makeText(getApplicationContext(), text,
+						Toast.LENGTH_SHORT);
+				toast.show();
+				destroyPopup();
 			}
-
-			Toast toast = Toast.makeText(getApplicationContext(), text,
-					Toast.LENGTH_SHORT);
-			toast.show();
-
-			destroyPopup();
 		}
 	}
 }