Android Open Source - ogame-android-app No Account Fragment

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*
    Copyright 2014 Alexander Wang//from  ww  w  . ja v  a  2  s .  c om
    
    This file is part of Ogame on Android.

    Ogame on Android is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Ogame on Android is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Ogame on Android.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.wikaba.ogapp;

import java.util.ArrayList;

import com.wikaba.ogapp.utils.AccountCredentials;
import com.wikaba.ogapp.utils.DatabaseManager;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.AsyncTaskLoader;
import android.support.v4.content.Loader;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

public class NoAccountFragment extends Fragment
    implements OnClickListener,
      LoaderManager.LoaderCallbacks<ArrayList<AccountCredentials>>,
      AdapterView.OnItemClickListener {
  
  private static final int ALL_ACCS_LOADER_ID = 0;
  
  Spinner uniSpinner;
  EditText usernameField;
  EditText passwdField;
  Button loginButton;
  HomeActivity act;
  ListView existingAccs;
  private ArrayList<AccountCredentials> allAccounts;
  
  public NoAccountFragment() {
  }
  
  @Override
  public void onAttach(Activity act) {
    super.onAttach(act);
    this.act = (HomeActivity)act;
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
    View root = inflater.inflate(R.layout.fragment_no_acc, parent, false);
    uniSpinner = (Spinner)root.findViewById(R.id.uniSelect);
    usernameField = (EditText)root.findViewById(R.id.username);
    passwdField = (EditText)root.findViewById(R.id.password);
    loginButton = (Button)root.findViewById(R.id.login);
    existingAccs = (ListView)root.findViewById(R.id.existingAccList);
    
    String[] uniNames = getResources().getStringArray(R.array.universe_names);
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(act, android.R.layout.simple_list_item_1, uniNames);
    uniSpinner.setAdapter(adapter);
    
    getLoaderManager().initLoader(ALL_ACCS_LOADER_ID, null, this);
    
    loginButton.setOnClickListener(this);
    
    registerForContextMenu(existingAccs);
    
    return root;
  }
  
  @Override
  public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
    super.onCreateContextMenu(menu, v, menuInfo);
    MenuInflater inflater = act.getMenuInflater();
    inflater.inflate(R.menu.accounts, menu);
  }

  @Override
  public boolean onContextItemSelected(MenuItem item) {
    int itemId = item.getItemId();
    if(itemId == R.id.remove) {
      AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo)item.getMenuInfo();
      int rowPosition = info.position;
      AccountCredentials creds = allAccounts.get(rowPosition);
      
      DatabaseManager dbmanager = new DatabaseManager(act);
      dbmanager.removeAccount(creds.universe, creds.username);
      dbmanager.close();
      allAccounts.remove(rowPosition);
      AccountAdapter adapter = (AccountAdapter)existingAccs.getAdapter();
      adapter.notifyDataSetChanged();
      return true;
    }
    return super.onContextItemSelected(item);
  }

  @Override
  public void onClick(View v) {
    String username = usernameField.getText().toString();
    String passwd = passwdField.getText().toString();
    View selectedView = uniSpinner.getSelectedView();
    if(selectedView == null) {
      Toast.makeText(act, "Please select a valid universe.", Toast.LENGTH_SHORT).show();
      return;
    }
    
    TextView selectedText = (TextView)selectedView;
    String universe = selectedText.getText().toString();
    
    act.addAccount(universe, username, passwd);
  }
  
  @Override
  public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
    AccountCredentials cred = allAccounts.get(position);
    act.accountRowId = cred.id;
    act.goToOverview();
  }
  
  @Override
  public Loader<ArrayList<AccountCredentials>> onCreateLoader(int id, Bundle args) {
    return new LoadAccountsLoader(act);
  }
  
  @Override
  public void onLoadFinished(Loader<ArrayList<AccountCredentials>> loader, ArrayList<AccountCredentials> data) {
    AccountAdapter adapter = new AccountAdapter(act, data);
    existingAccs.setAdapter(adapter);
    existingAccs.setOnItemClickListener(this);
    allAccounts = data;
  }
  
  @Override
  public void onLoaderReset(Loader<ArrayList<AccountCredentials>> loader) {
  }
  
  private static class LoadAccountsLoader extends AsyncTaskLoader<ArrayList<AccountCredentials>> {
    private ArrayList<AccountCredentials> oldData;
    
    private DatabaseManager dbmanager;
    /**
     * Initialize a LoadAccountsTask object that will be
     * calling DatabaseManager methods through the parameter
     * passed in
     * @param dbman - the DatabaseManager object to use to 
     */
    public LoadAccountsLoader(Context ctx) {
      super(ctx);
      dbmanager = new DatabaseManager(ctx);
      oldData = null;
    }
    
    @Override
    protected void onStartLoading() {
      if(oldData != null)
        deliverResult(oldData);
      
      this.forceLoad();
    }
    
    @Override
    protected void onStopLoading() {
    }
    
    @Override
    protected void onReset() {
    }
    
    @Override
    public void deliverResult(ArrayList<AccountCredentials> newData) {
      oldData = newData;
      super.deliverResult(newData);
    }
    
    @Override
    public ArrayList<AccountCredentials> loadInBackground() {
      ArrayList<AccountCredentials> allAccs = dbmanager.getAllAccounts();
      return allAccs;
    }
  }
  
  public static class AccountAdapter extends BaseAdapter {
    private ArrayList<AccountCredentials> accs;
    private Context ctx;
    
    public AccountAdapter(Context cont, ArrayList<AccountCredentials> accs) {
      this.accs = accs;
      ctx = cont;
    }

    @Override
    public int getCount() {
      return accs.size();
    }

    @Override
    public Object getItem(int position) {
      return accs.get(position);
    }

    @Override
    public long getItemId(int position) {
      return -1;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      TextView v = null;
      if(convertView == null) {
        LayoutInflater inflater = (LayoutInflater)ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        v = (TextView)inflater.inflate(R.layout.account_text_view, parent, false);
        
      }
      else {
        v = (TextView)convertView;
      }
      
      StringBuilder strb = new StringBuilder();
      AccountCredentials creds = accs.get(position);
      strb.append(creds.username)
      .append(" in ")
      .append(creds.universe);
      
      v.setText(strb.toString());
      
      return v;
    }
  }
}
Java Source Code List
