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root / src / com / rackspace / cloud / android / ListAccountsActivity.java @ 5d668a55

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package com.rackspace.cloud.android;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.StreamCorruptedException;
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import java.util.ArrayList;
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import java.util.TreeMap;
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import android.app.ProgressDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.DialogInterface.OnCancelListener;
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import android.content.Intent;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewGroup.LayoutParams;
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import android.view.WindowManager;
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import android.widget.AdapterView.AdapterContextMenuInfo;
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import android.widget.ArrayAdapter;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import com.rackspace.cloud.android.R;
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import com.rackspace.cloud.servers.api.client.Account;
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import com.rackspace.cloud.servers.api.client.CloudServersException;
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import com.rackspace.cloud.servers.api.client.http.Authentication;
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//
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public class ListAccountsActivity extends CloudListActivity{
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        private final String FILENAME = "accounts.data";
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        private static final String PAGE_ROOT = "/Root";
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        private boolean authenticating;
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        private ArrayList<Account> accounts;
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        private Intent tabViewIntent;
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        private ProgressDialog dialog;
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        private Context context;
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        //used to track the current asynctask
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        @SuppressWarnings("rawtypes")
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        private AsyncTask task;
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        public void onCreate(Bundle savedInstanceState) {
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                super.onCreate(savedInstanceState);
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                trackPageView(PAGE_ROOT);
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                onRestoreInstanceState(savedInstanceState);
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                registerForContextMenu(getListView());
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                context = getApplicationContext();
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                tabViewIntent = new Intent(this, TabViewActivity.class);
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        }
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        @Override
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        protected void onSaveInstanceState(Bundle outState) {
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                super.onSaveInstanceState(outState);
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                outState.putBoolean("authenticating", authenticating);
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                outState.putSerializable("accounts", accounts);
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                //need to set authenticating back to true because it is set to false
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                //in hideAccountDialog()
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                if(authenticating){
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                        hideAccountDialog();
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                        authenticating = true;
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                }
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                writeAccounts();
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        }
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        @SuppressWarnings("unchecked")
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        @Override
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        protected void onRestoreInstanceState(Bundle state) {
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                /*
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                 * need reference to the app so you can access
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                 * isLoggingIn
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                 */
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                if (state != null && state.containsKey("authenticating") && state.getBoolean("authenticating")) {
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                        showAccountDialog();
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                } else {
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                        hideAccountDialog();
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                }
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                if (state != null && state.containsKey("accounts")) {
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                        accounts = (ArrayList<Account>)state.getSerializable("accounts");
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                        if (accounts.size() == 0) {
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                                displayNoAccountsCell();
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                        } else {
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                                getListView().setDividerHeight(1); // restore divider lines 
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                                setListAdapter(new AccountAdapter());
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                        }
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                } else {
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                        loadAccounts();        
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                }         
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        }
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        @Override
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        protected void onStart(){
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                super.onStart();
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                if(authenticating){
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                        showAccountDialog();
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                }
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        }
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        @Override
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        protected void onStop(){
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                super.onStop();
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                if(authenticating){
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                        hideAccountDialog();
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                        authenticating = true;
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                }
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        }
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        private void loadAccounts() {
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                //check and see if there are any in memory
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                if(accounts == null){
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                        accounts = readAccounts();
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                }
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                //if nothing was written before accounts will still be null
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                if(accounts == null){
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                        accounts = new ArrayList<Account>();
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                }
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                setAccountList();
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        }
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        private void setAccountList() {
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                if (accounts.size() == 0) {
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                        displayNoAccountsCell();
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                } else {
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                        getListView().setDividerHeight(1); // restore divider lines 
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                        this.setListAdapter(new AccountAdapter());
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                }
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        }
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        private void writeAccounts(){
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                FileOutputStream fos;
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                ObjectOutputStream out = null;
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                try{
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                        fos = openFileOutput(FILENAME, Context.MODE_PRIVATE);
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                        out = new ObjectOutputStream(fos);
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                        out.writeObject(accounts);
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                        out.flush();
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                        out.close();
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                } catch (FileNotFoundException e) {
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                        showAlert("Error", "Could not save accounts.");
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                        e.printStackTrace();
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                } catch (IOException e) {
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                        showAlert("Error", "Could not save accounts.");
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                        e.printStackTrace();
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                }
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        }
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        private ArrayList<Account> readAccounts(){
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                FileInputStream fis;
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                ObjectInputStream in;
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                try {
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                        fis = openFileInput(FILENAME);
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                        in = new ObjectInputStream(fis);
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                        @SuppressWarnings("unchecked")
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                        ArrayList<Account> file = (ArrayList<Account>)in.readObject();
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                        in.close();
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                        return file; 
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                } catch (FileNotFoundException e) {
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                        //showAlert("Error", "Could not load accounts.");
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                        e.printStackTrace();
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                        return null;
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                } catch (StreamCorruptedException e) {
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                        showAlert("Error", "Could not load accounts.");
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                        e.printStackTrace();
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                } catch (IOException e) {
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                        showAlert("Error", "Could not load accounts.");
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                        e.printStackTrace();
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                } catch (ClassNotFoundException e) {
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                        showAlert("Error", "Could not load accounts.");
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                        e.printStackTrace();
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                }
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                return null;
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        }
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        private void displayNoAccountsCell() {
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                String a[] = new String[1];
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                a[0] = "No Accounts";
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                setListAdapter(new ArrayAdapter<String>(getApplicationContext(), R.layout.noaccountscell, R.id.no_accounts_label, a));
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                getListView().setTextFilterEnabled(true);
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                getListView().setDividerHeight(0); // hide the dividers so it won't look like a list row
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                getListView().setItemsCanFocus(false);
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        }
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        protected void onListItemClick(ListView l, View v, int position, long id) {
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                if (accounts != null && accounts.size() > 0) {
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                        //setActivityIndicatorsVisibility(View.VISIBLE, v);
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                        Account.setAccount(accounts.get(position));
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                        Log.d("info", "the server is " + Account.getAccount().getAuthServerV2());
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                        login();
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                }                
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        }
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        public void login() {
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                //showActivityIndicators();
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                //setLoginPreferences();
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                new AuthenticateTask().execute((Void[]) null);
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        }
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        //setup menu for when menu button is pressed
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        public boolean onCreateOptionsMenu(Menu menu) {
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                super.onCreateOptionsMenu(menu);
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                MenuInflater inflater = getMenuInflater();
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                inflater.inflate(R.menu.accounts_list_menu, menu);
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                return true;
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        } 
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        @Override 
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        //in options menu, when add account is selected go to add account activity
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        public boolean onOptionsItemSelected(MenuItem item) {
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                switch (item.getItemId()) {
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                case R.id.add_account:
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                        Intent intent = new Intent(this, PithosLoginActivity.class);
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                        intent.putExtra("login", "https://pithos.dev.grnet.gr/im/login");
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                        intent.putExtra("auth", Preferences.PITHOS_DEV_SERVER);
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                        startActivityForResult(intent, 78); // arbitrary number; never used again
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                        return true;
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                case R.id.contact_rackspace:
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                        startActivity(new Intent(this, ContactActivity.class));
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                        return true;
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                case R.id.add_password:
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                        startActivity(new Intent(this, CreatePasswordActivity.class));
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                        return true;
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                }        
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                return false;
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        } 
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        //the context menu for a long press on an account
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        public void onCreateContextMenu(ContextMenu menu, View v,
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                        ContextMenuInfo menuInfo) {
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                super.onCreateContextMenu(menu, v, menuInfo);
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                MenuInflater inflater = getMenuInflater();
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                inflater.inflate(R.menu.account_context_menu, menu);
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        }
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        //removes the selected account from account list if remove is clicked
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        public boolean onContextItemSelected(MenuItem item) {
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                if (accounts.size() == 0) {
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                        displayNoAccountsCell();
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                        return true;
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                } else {
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                        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
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                        accounts.remove(info.position);
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                        writeAccounts();
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                        loadAccounts();
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                        return true;
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                }
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        }
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        class AccountAdapter extends ArrayAdapter<Account> {
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                AccountAdapter() {
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                        super(ListAccountsActivity.this, R.layout.listaccountcell, accounts);
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                }
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                public View getView(int position, View convertView, ViewGroup parent) {
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                        LayoutInflater inflater = getLayoutInflater();
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                        View row = inflater.inflate(R.layout.listaccountcell, parent, false);
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                        TextView label = (TextView) row.findViewById(R.id.label);
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                        label.setText(accounts.get(position).getUsername());
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                        TextView sublabel = (TextView) row.findViewById(R.id.sublabel);
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                        sublabel.setText(getAccountServer(accounts.get(position)));
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                        ImageView icon = (ImageView) row.findViewById(R.id.account_type_icon);
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                        icon.setImageResource(setAccountIcon(accounts.get(position)));
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                        return row;
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                }
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        }
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        public String getAccountServer(Account account){
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                String authServer = account.getAuthServer();
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                if(authServer == null){
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                        authServer = account.getAuthServerV2();
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                }
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                String result;
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                if(authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER) || authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER_V2)){
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                        result = "Rackspace Cloud (UK)";
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                }
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                else if(authServer.equals(Preferences.COUNTRY_US_AUTH_SERVER) || authServer.equals(Preferences.COUNTRY_US_AUTH_SERVER_V2)){
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                        result = "Rackspace Cloud (US)";
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                }
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                else if(authServer.equals(Preferences.PITHOS_SERVER)){
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                        result = "Pithos+";
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                }
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                else if(authServer.equals(Preferences.PITHOS_DEV_SERVER)){
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                        result = "Pithos+ Dev";
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                }
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                else{
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                        result = "Custom:" +authServer;
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                        //setCustomIcon();
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                }
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                return result;
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        }
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        //display rackspace logo for cloud accounts and openstack logo for others
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        private int setAccountIcon(Account account){
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                String authServer = account.getAuthServer();
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                if(authServer == null){
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                        authServer = account.getAuthServerV2();
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                }
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                if(authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER) 
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                                || authServer.equals(Preferences.COUNTRY_US_AUTH_SERVER)
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                                || authServer.equals(Preferences.COUNTRY_US_AUTH_SERVER_V2)
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                                                || authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER_V2)){
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                        return R.drawable.rackspacecloud_icon;
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                }
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                if(authServer.equals(Preferences.PITHOS_DEV_SERVER) 
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                                || authServer.equals(Preferences.PITHOS_SERVER)){
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                        return R.drawable.pithos_icon;
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                }
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                else{
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                        return R.drawable.openstack_icon;
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                }
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        }
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        public void onActivityResult(int requestCode, int resultCode, Intent data) {
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                super.onActivityResult(requestCode, resultCode, data);
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                if(requestCode == 187){
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                        hideAccountDialog(); 
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                }
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                if (resultCode == RESULT_OK && requestCode == 78) {          
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                        Account acc = new Account();
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                        Bundle b = data.getBundleExtra("accountInfo");
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                        acc.setPassword(b.getString("apiKey"));
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                        acc.setUsername(b.getString("username"));
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                        acc.setAuthServer(b.getString("server"));
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                        Log.d("info", "the set server was " + b.getString("server"));
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                        Log.d("info", "the server is " + acc.getAuthServer());
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                        boolean found = false;
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                        for(Account a : accounts){
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                                if(a.getUsername().equals(acc.getUsername())&&a.getAuthServer().equals(acc.getAuthServer())){
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                                        a.setPassword(acc.getPassword());
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                                        found=true;
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                                }
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                        }
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                        if(!found)
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                                accounts.add(acc);
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                        writeAccounts();
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                        loadAccounts();
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                }
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        }        
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        private void showAccountDialog() {
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                app.setIsLoggingIn(true);
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                authenticating = true;
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                if(dialog == null || !dialog.isShowing()){
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                        dialog = new ProgressDialog(this);
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                        dialog.setProgressStyle(R.style.NewDialog);
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                        dialog.setOnCancelListener(new OnCancelListener() {
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                                @Override
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                                public void onCancel(DialogInterface dialog) {
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                                        app.setIsLoggingIn(false);
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                                        //need to cancel the old task or we may get a double login
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                                        task.cancel(true);
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                                        hideAccountDialog();
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                                }
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                        });
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                        dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
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                        dialog.show();
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                        dialog.setContentView(new ProgressBar(this), new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
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                }
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        }
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        private void hideAccountDialog() {
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                if(dialog != null){
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                        dialog.dismiss();
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                }
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                authenticating = false;
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        }
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        private class AuthenticateTask extends AsyncTask<Void, Void, Boolean> {
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                @Override
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                protected void onPreExecute(){
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                        Log.d("info", "Starting authenticate");
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                        task = this;
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                        showAccountDialog();
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                }
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                @Override
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                protected Boolean doInBackground(Void... arg0) {
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                        try {
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                                return new Boolean(Authentication.authenticate(context));
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                        } catch (CloudServersException e) {
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                                e.printStackTrace();
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                                return false;
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                        }
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                }
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                @Override
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                protected void onPostExecute(Boolean result) {
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                        if (result.booleanValue()) {
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                                //startActivity(tabViewIntent);
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                                /*if(app.isLoggingIn()){
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                                        new LoadImagesTask().execute((Void[]) null);
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                                } else {
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                                        hideAccountDialog();
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                                }*/
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                                hideAccountDialog();
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                                if(app.isLoggingIn()){
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                                        startActivityForResult(tabViewIntent, 187);
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                                }
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                        } else {
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                                hideAccountDialog();
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                                if(app.isLoggingIn()){
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                                        showAlert("Login Failure", "Authentication failed.  Please check your User Name and API Key.");
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                                }
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                        }
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                }
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        }
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        }