Android Open Source - android_monitor Settings Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

/*******************************************************************************
 * Copyright (C) 2014 MUSE team Inria Paris - Rocquencourt
 * /*w  ww .  jav a2s  .c o  m*/
 * This file is part of UCNDataCollector.
 * 
 * UCNDataCollector is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * UCNDataCollector 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 Public License for more details.
 * 
 * You should have received a copy of the GNU Affero Public License
 * along with UCNDataCollector.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.inria.ucn.ui;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import fr.inria.ucn.Constants;
import fr.inria.ucn.Helpers;
import fr.inria.ucn.R;
import fr.inria.ucn.Scheduler;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.security.KeyChain;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.widget.CompoundButton;
import android.widget.Switch;

/**
 * Collector preferences.
 * 
 * @author Anna-Kaisa Pietilainen <anna-kaisa.pietilainen@inria.fr>
 *
 */
public class SettingsActivity extends Activity {
  
  /*
   * (non-Javadoc)
   * @see android.app.Activity#onCreate(android.os.Bundle)
   */
  @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
                
        // Display the fragment as the main content.
        getFragmentManager().beginTransaction()
                .replace(android.R.id.content, new SettingsFragment())
                .commit();
    }
  
  /*
   * (non-Javadoc)
   * @see android.app.Activity#onCreateOptionsMenu(android.view.Menu)
   */
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
      MenuInflater inflater = getMenuInflater();
      inflater.inflate(R.menu.actionbar_toggle, menu);          
      
      // On-Off toggle handler
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
      Switch s = (Switch)menu.findItem(R.id.onoffswitch).getActionView().findViewById(R.id.switchForActionBar);
      s.setChecked(Scheduler.isScheduled(getApplicationContext()) || 
          (Helpers.isNightTime(getApplicationContext()) && prefs.getBoolean(Constants.PREF_HIDDEN_ENABLED, false)));
      
      s.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
      @Override
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        // store the setting so that the on-boot receiver can restore the correct state
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
        SharedPreferences.Editor edit = prefs.edit();
        edit.putBoolean(Constants.PREF_HIDDEN_ENABLED, isChecked);
        edit.commit();
        
        if (isChecked) {
          Log.d(Constants.LOGTAG, "enable data collector");
          
          // TODO: remove once the UK server has a valid SSL cert
          // hack start
          String country = prefs.getString(Constants.PREF_COUNTRY, null);
          if ("UK".equals(country)) {
            String uploadurl = Constants.UPLOAD_URLS.get(country);
            if (uploadurl!=null) {
              BufferedInputStream bis = null;
              try {
                URL url = new URL(uploadurl);
                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH &&
                    !Helpers.isCaCertInstalledHack(url.getHost()) && url.getProtocol().equals("https")) 
                {          
                  // prompt user to install the self-signed ca certificate - for https uploads
                  Log.d(Constants.LOGTAG, "missing required ca certificate for " + url.getHost()); 
                  bis = new BufferedInputStream(getAssets().open(url.getHost() + ".ca.pem"));
                  byte[] keychain = new byte[bis.available()];
                  bis.read(keychain);

                  Intent installIntent = KeyChain.createInstallIntent();
                  installIntent.putExtra(KeyChain.EXTRA_CERTIFICATE, keychain);
                  installIntent.putExtra(KeyChain.EXTRA_NAME, url.getHost());
                  startActivityForResult(installIntent, 1);    
                }
              } catch (MalformedURLException e) {
              } catch (IOException e) {
                Log.e(Constants.LOGTAG, "failed to read certificate",e); 
              } finally {
                if (bis!=null)
                  try {
                    bis.close();
                  } catch (IOException e) {
                  }
              }
            }
          } // hack end
          
          Helpers.startCollector(getApplicationContext(), false);
        } else {
          Log.d(Constants.LOGTAG, "disable data collector");
          Helpers.stopCollector(getApplicationContext(), false);
        }
      }
    });
      
      return super.onCreateOptionsMenu(menu);
  }
}

Java Source Code List

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