root / src / com / rackspacecloud / android / ListAccountsActivity.java @ a7d1fdc2
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package com.rackspacecloud.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 com.rackspace.cloud.servers.api.client.Account; |
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import com.rackspace.cloud.servers.api.client.Flavor; |
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import com.rackspace.cloud.servers.api.client.FlavorManager; |
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import com.rackspace.cloud.servers.api.client.Image; |
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import com.rackspace.cloud.servers.api.client.ImageManager; |
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import com.rackspace.cloud.servers.api.client.http.Authentication; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.app.ListActivity; |
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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.Intent; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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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.View.OnClickListener; |
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import android.view.ViewGroup; |
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import android.widget.AdapterView.AdapterContextMenuInfo; |
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import android.widget.ArrayAdapter; |
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import android.widget.Button; |
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import android.widget.EditText; |
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import android.widget.ImageView; |
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import android.widget.ListView; |
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import android.widget.TextView; |
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import android.widget.Toast; |
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public class ListAccountsActivity extends ListActivity{ |
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private final int PASSWORD_PROMPT = 123; |
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private final String FILENAME = "accounts.data"; |
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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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//need to store if the user has successfully logged in
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private boolean loggedIn; |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState);
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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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verifyPassword(); |
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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.putBoolean("loggedIn", loggedIn);
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//need to set authenticating back to true because it is set to false
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//in hideDialog()
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if(authenticating){
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hideDialog(); |
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authenticating = true;
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} |
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writeAccounts(); |
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} |
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@Override
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protected void onRestoreInstanceState(Bundle state) { |
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if (state != null && state.containsKey("loggedIn")){ |
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loggedIn = state.getBoolean("loggedIn");
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} |
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else{
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loggedIn = false;
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} |
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if (state != null && state.containsKey("authenticating") && state.getBoolean("authenticating")) { |
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showDialog(); |
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} else {
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hideDialog(); |
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} |
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if (state != null && state.containsKey("accounts")) { |
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accounts = readAccounts(); |
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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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showDialog(); |
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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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hideDialog(); |
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authenticating = true;
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} |
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} |
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/*
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* if the application is password protected,
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* the user must provide the password before
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* gaining access
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*/
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private void verifyPassword(){ |
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PasswordManager pwManager = new PasswordManager(getSharedPreferences(
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Preferences.SHARED_PREFERENCES_NAME, MODE_PRIVATE));
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if(pwManager.hasPassword() && !loggedIn){
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createCustomDialog(PASSWORD_PROMPT); |
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} |
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} |
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private boolean rightPassword(String password){ |
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PasswordManager pwManager = new PasswordManager(getSharedPreferences(
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Preferences.SHARED_PREFERENCES_NAME, MODE_PRIVATE));
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return pwManager.verifyEnteredPassword(password);
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} |
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/*
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* forces the user to enter a correct password
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* before they gain access to application data
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*/
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private void createCustomDialog(int id) { |
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final Dialog dialog = new Dialog(ListAccountsActivity.this); |
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switch (id) {
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case PASSWORD_PROMPT:
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dialog.setContentView(R.layout.passworddialog); |
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dialog.setTitle("Enter your password:");
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dialog.setCancelable(false);
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Button button = (Button) dialog.findViewById(R.id.submit_password); |
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button.setOnClickListener(new OnClickListener() {
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public void onClick(View v){ |
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EditText passwordText = ((EditText)dialog.findViewById(R.id.submit_password_text)); |
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if(!rightPassword(passwordText.getText().toString())){
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passwordText.setText("");
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showToast("Password was incorrect.");
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loggedIn = false;
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} |
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else{
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dialog.dismiss(); |
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loggedIn = true;
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} |
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} |
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}); |
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dialog.show(); |
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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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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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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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startActivityForResult(new Intent(this, AddAccountActivity.class), 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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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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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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String result;
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if(authServer.equals(Preferences.COUNTRY_UK_AUTH_SERVER)){ |
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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)){ |
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result = "Rackspace Cloud (US)";
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} |
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else{
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result = "Custom";
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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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if(account.getAuthServer().equals(Preferences.COUNTRY_UK_AUTH_SERVER) |
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|| account.getAuthServer().equals(Preferences.COUNTRY_US_AUTH_SERVER)){
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return R.drawable.rackspacecloud_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 (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.setApiKey(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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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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/*
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private void setActivityIndicatorsVisibility(int visibility) {
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//FINISH THIS TO LET USER KNOW PROGRAM IS STILL WORKING
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//ProgressBar pb = new ProgressBar();
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//TextView tv = (TextView) findViewById(R.id.login_authenticating_label);
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//pb.setVisibility(visibility);
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//tv.setVisibility(visibility);
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}
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private void setActivityIndicatorsVisibility(int visibility, View v) {
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//FINISH THIS TO LET USER KNOW PROGRAM IS STILL WORKING
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//ProgressBar pb = new ProgressBar();
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//TextView tv = (TextView) findViewById(R.id.login_authenticating_label);
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//pb.setVisibility(visibility);
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//tv.setVisibility(visibility);
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}
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*/
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private void showDialog() { |
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authenticating = true;
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dialog = ProgressDialog.show(ListAccountsActivity.this, "", "Authenticating...", true); |
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} |
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private void hideDialog() { |
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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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showDialog(); |
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} |
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@Override
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protected Boolean doInBackground(Void... arg0) { |
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return new Boolean(Authentication.authenticate(context)); |
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//return true;
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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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new LoadImagesTask().execute((Void[]) null); |
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} else {
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hideDialog(); |
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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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private class LoadFlavorsTask extends AsyncTask<Void, Void, ArrayList<Flavor>> { |
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@Override
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protected ArrayList<Flavor> doInBackground(Void... arg0) { |
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return (new FlavorManager()).createList(true, context); |
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} |
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@Override
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protected void onPostExecute(ArrayList<Flavor> result) { |
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if (result != null && result.size() > 0) { |
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TreeMap<String, Flavor> flavorMap = new TreeMap<String, Flavor>(); |
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for (int i = 0; i < result.size(); i++) { |
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Flavor flavor = result.get(i); |
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flavorMap.put(flavor.getId(), flavor); |
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} |
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Flavor.setFlavors(flavorMap); |
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hideDialog(); |
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startActivity(tabViewIntent); |
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} else {
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hideDialog(); |
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showAlert("Login Failure", "There was a problem loading server flavors. Please try again."); |
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} |
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} |
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} |
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private class LoadImagesTask extends AsyncTask<Void, Void, ArrayList<Image>> { |
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@Override
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protected ArrayList<Image> doInBackground(Void... arg0) { |
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return (new ImageManager()).createList(true, context); |
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} |
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@Override
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protected void onPostExecute(ArrayList<Image> result) { |
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if (result != null && result.size() > 0) { |
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TreeMap<String, Image> imageMap = new TreeMap<String, Image>(); |
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for (int i = 0; i < result.size(); i++) { |
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Image image = result.get(i);
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imageMap.put(image.getId(), image); |
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} |
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Image.setImages(imageMap);
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new LoadFlavorsTask().execute((Void[]) null); |
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//startActivity(tabViewIntent);
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} else {
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hideDialog(); |
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showAlert("Login Failure", "There was a problem loading server images. Please try again."); |
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} |
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} |
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} |
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private void showAlert(String title, String message) { |
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AlertDialog alert = new AlertDialog.Builder(this).create(); |
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alert.setTitle(title); |
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alert.setMessage(message); |
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alert.setButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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return;
|
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} }); |
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alert.show(); |
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} |
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|
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private void showToast(String message) { |
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Context context = getApplicationContext();
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int duration = Toast.LENGTH_SHORT;
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Toast toast = Toast.makeText(context, message, duration); |
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toast.show(); |
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} |
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} |