Android Open Source - Commstat Email Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
  Commstat - Funf-based Sensor Application 
  Copyright (C) 2013 Serkan Sakar/*from www .j  a  va2  s. com*/

  This program 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.

  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/


package de.tu_berlin.snet.commstat;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import edu.mit.media.funf.util.StringUtil;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.util.Patterns;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.CheckedTextView;
import android.widget.EditText;
import android.widget.ListView;

public class EmailFragment extends ListFragment {

  public static final String TAG = "Email";
  
  private ArrayAdapter<String> adapter;
  private List<String> list;
  SharedPreferences prefs;

  public EmailFragment() {
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setHasOptionsMenu(true);
  }
  
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    
    getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
  }
  
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    prefs = getActivity().getSharedPreferences("default", Context.MODE_MULTI_PROCESS);
    
    loadAccounts();
    adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_multiple_choice, list);
    setListAdapter(adapter);
    
    initSelection();
  }
  
  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    CheckedTextView check = (CheckedTextView) v;
    prefs.edit().putBoolean("email" + position, check.isChecked()).commit();

    if (check.isChecked()) {
      Intent intent = new Intent(getActivity(), EmailSettingsActivity.class);
      intent.putExtra(getString(R.string.email_username_key), list.get(position));
      intent.putExtra("position", position);

      startActivity(intent);
    }
  }

  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    // Inflate the menu; this adds items to the action bar if it is present.
    super.onCreateOptionsMenu(menu, inflater);

    inflater.inflate(R.menu.email, menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle item selection
    switch (item.getItemId()) {
    case R.id.action_account:
      addAccount();
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  private void saveAccounts() {
    Editor editor = prefs.edit();
    editor.putString("accounts", StringUtil.join(list, ";"));
    editor.putInt("emailCount", list.size());
    editor.commit();
  }
  
  private void loadAccounts() {
    String accounts = prefs.getString("accounts", null);

    if (accounts != null) {
      list = new ArrayList<String>(Arrays.asList(accounts.split(";")));
    } else {
      Set<String> set = new HashSet<String>();

      for (Account acc : AccountManager.get(getActivity()).getAccounts()) {
        if (Patterns.EMAIL_ADDRESS.matcher(acc.name).matches()) 
          set.add(acc.name);
      }
      list = new ArrayList<String>(set);
      saveAccounts();
    }
  }

  private void initSelection() {
    for (int i = 0; i < prefs.getInt("emailCount", 0); i++) {
      getListView().setItemChecked(i, prefs.getBoolean("email" + i, false));
    }
  }

  private void addAccount() {
    final EditText input = new EditText(getActivity());

    new AlertDialog.Builder(getActivity())
        .setTitle("Add Account")
        .setMessage(getString(R.string.add_account_message))
        .setView(input)
        .setPositiveButton("Ok", new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int whichButton) {
            list.add(input.getText().toString());
            adapter.notifyDataSetChanged();
            saveAccounts();
          }
        })
        .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
          public void onClick(DialogInterface dialog, int whichButton) {
          }
        }).show();
  }
}

Java Source Code List

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