Android Open Source - ubihelper Logging Preferences

From Project

Back to project page ubihelper.
License

The source code is released under:
GNU General Public License
If you think the Android project ubihelper listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

/**
 * Copyright (c) 2012 The University of Nottingham
 * // w  w w  . j av  a2 s .c  o  m
 * This file is part of ubihelper
 *
 *  ubihelper 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.
 *
 *  ubihelper 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 ubihelper. If not, see <http://www.gnu.org/licenses/>.
 *  
 *  @author Chris Greenhalgh (cmg@cs.nott.ac.uk), The University of Nottingham
 */

package uk.ac.horizon.ubihelper.ui;

import uk.ac.horizon.ubihelper.R;
import uk.ac.horizon.ubihelper.service.LogManager;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.EditTextPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.text.InputType;
import android.util.Log;

/**
 * @author cmg
 *
 */
public class LoggingPreferences extends PreferenceActivity {
  //public static final String LOG_DIRECTORY = "log_directory";
  protected static final String TAG = "ubihelper-logprefs";
  private EditTextPreference logPeriod;
  private EditTextPreference logFilePrefix;
  private EditTextPreference logMaxFileSize;
  private EditTextPreference logMaxCacheSize;
  //private Preference logDirectory;
  
  public static final String INTENT = "uk.ac.horizon.ubihelper.CONFIGURE_LOGGING";
  
  /* (non-Javadoc)
   * @see android.preference.PreferenceActivity#onCreate(android.os.Bundle)
   */
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // Load the preferences from an XML resource
        addPreferencesFromResource(R.xml.loggingpreferences);        
        logPeriod = (EditTextPreference)getPreferenceScreen().findPreference(LogManager.LOG_PERIOD);
        logPeriod.getEditText().setInputType(InputType.TYPE_CLASS_NUMBER);
        updateLogPeriodSummary();
        logFilePrefix = (EditTextPreference)getPreferenceScreen().findPreference(LogManager.LOG_FILE_PREFIX);
        updateLogFilePrefixSummary();
        logMaxFileSize = (EditTextPreference)getPreferenceScreen().findPreference(LogManager.LOG_MAX_FILE_SIZE);
        logMaxFileSize.getEditText().setInputType(InputType.TYPE_CLASS_NUMBER);
        updateLogMaxFileSizeSummary();
        logMaxCacheSize = (EditTextPreference)getPreferenceScreen().findPreference(LogManager.LOG_MAX_CACHE_SIZE);
        logMaxCacheSize.getEditText().setInputType(InputType.TYPE_CLASS_NUMBER);
        updateLogMaxCacheSizeSummary();
        //logDirectory = getPreferenceScreen().findPreference(LOG_DIRECTORY);
        //updateLogDirectory();        
  }

//  private void updateLogDirectory() {
//    File dir = LogManager.getLogDirectory(this);
//    if (dir!=null)
//      logDirectory.setSummary(dir.toString());
//    else
//      logDirectory.setSummary("Unknown (external storage may not be available)");
//  }

  private void updateLogPeriodSummary() {
    logPeriod.setSummary(logPeriod.getText()+" seconds");
  }
  private void updateLogFilePrefixSummary() {
    logFilePrefix.setSummary(logFilePrefix.getText());
  }
  private void updateLogMaxFileSizeSummary() {
    logMaxFileSize.setSummary(logMaxFileSize.getText()+" bytes");
  }
  private void updateLogMaxCacheSizeSummary() {
    logMaxCacheSize.setSummary(logMaxCacheSize.getText()+" bytes");
  }

  /** preference change listener */
  private final OnSharedPreferenceChangeListener onRunChangeListener = 
      new OnSharedPreferenceChangeListener() {

        public void onSharedPreferenceChanged(SharedPreferences prefs,
            String key) {
          Log.d(TAG,"Preference changed: "+key);
          if (LogManager.LOG_PERIOD.equals(key))
            updateLogPeriodSummary();
          else if (LogManager.LOG_FILE_PREFIX.equals(key))
            updateLogFilePrefixSummary();
          else if (LogManager.LOG_MAX_FILE_SIZE.equals(key))
            updateLogMaxFileSizeSummary();
          else if (LogManager.LOG_MAX_CACHE_SIZE.equals(key))
            updateLogMaxCacheSizeSummary();
        }
  };
  
  @Override
  protected void onStart() {
    super.onStart();
    SharedPreferences prefs = this.getPreferenceManager().getSharedPreferences();
    prefs.registerOnSharedPreferenceChangeListener(onRunChangeListener);    
  }

  @Override
  protected void onStop() {
    super.onStop();
    SharedPreferences prefs = this.getPreferenceManager().getSharedPreferences();
    prefs.unregisterOnSharedPreferenceChangeListener(onRunChangeListener);
  }

}
Java Source Code List
