Android Open Source - BlitzMail Main Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

/*    BlitzMail
 *    Copyright (C) 2013 Torsten Grote//from   ww  w  .j  a  v a  2s  .co  m
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.grobox.blitzmail;

import java.util.Iterator;

import org.json.JSONObject;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.net.Uri;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.preference.PreferenceCategory;

@SuppressWarnings("deprecation")
public class MainActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.preferences);

    addSendNowPref(this);

    setPrefState();
  }

  @Override
  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
    if (key.equals("pref_smtp_auth")) {
      setPrefState();
    }
  }


  private void setPrefState() {
    CheckBoxPreference authPref = (CheckBoxPreference) findPreference("pref_smtp_auth");
    if(authPref.isChecked()) {
      findPreference("pref_smtp_encryption").setEnabled(true);
      findPreference("pref_smtp_user").setEnabled(true);
      findPreference("pref_smtp_pass").setEnabled(true);
    } else {
      findPreference("pref_smtp_encryption").setEnabled(false);
      findPreference("pref_smtp_user").setEnabled(false);
      findPreference("pref_smtp_pass").setEnabled(false);
    }
  }

  @Override
  protected void onResume() {
    super.onResume();
    getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);

    // recreate send now preference
    PreferenceCategory cat = (PreferenceCategory) findPreference("pref_sending");
    if(cat.findPreference("pref_send_now") != null) {
      cat.removePreference(findPreference("pref_send_now"));
    }
    addSendNowPref(this);
  }

  @Override
  protected void onPause() {
    super.onPause();
    getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
  }

  private void addSendNowPref(final Context c) {
    JSONObject mails = MailStorage.getMails(this);

    if(mails != null && mails.length() > 0) {
      PreferenceCategory targetCategory = (PreferenceCategory) findPreference("pref_sending");

      Preference pref = new Preference(this);
      pref.setKey("pref_send_now");
      pref.setTitle(R.string.pref_send_now);
      pref.setSummary(String.format(getResources().getString(R.string.pref_send_now_summary), mails.length()));

      pref.setOnPreferenceClickListener(new OnPreferenceClickListener(){
        public boolean onPreferenceClick(Preference preference) {
          if(BuildConfig.PRO) sendNow();
          else {
            AlertDialog.Builder builder = new AlertDialog.Builder(c);

            builder.setTitle(c.getString(R.string.app_name));
            builder.setMessage(c.getString(R.string.error_lite_version));
            builder.setIcon(android.R.drawable.ic_dialog_info);

            // Add the buttons
            builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                Uri uri = Uri.parse("https://play.google.com/store/apps/details?id=de.grobox.blitzmail.pro");
                Intent intent = new Intent(Intent.ACTION_VIEW, uri);
                if (intent.resolveActivity(c.getPackageManager()) != null) {
                  c.startActivity(intent);
                }
                dialog.dismiss();
              }
            });
            builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int id) {
                dialog.dismiss();
              }
            });

            // Create and show the AlertDialog
            AlertDialog dialog = builder.create();
            dialog.setCanceledOnTouchOutside(false);
            dialog.show();
          }

          return true;
        }
      });

      targetCategory.addPreference(pref);
    }
  }

  private void sendNow() {
    JSONObject mails = MailStorage.getMails(this);

    Iterator<?> i = mails.keys();

    while(i.hasNext()) {
      String mail = mails.opt((String) i.next()).toString();

      Intent intent = new Intent(this, SendActivity.class);
      intent.setAction("BlitzMailReSend");
      intent.putExtra("mail", mail);
      startActivity(intent);
    }

    ((PreferenceCategory) findPreference("pref_sending")).removePreference(findPreference("pref_send_now"));
  }

}

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