Android Open Source - qingzhou Qingzhou Preference

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License

The source code is released under:

GNU General Public License

Java Source Code

/* 
 *  Copyright 2012 Loong H//  w ww.j  av  a 2  s . com
 * 
 *  Qingzhou 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.
 *
 *  Qingzhou 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 com.loongsoft.qingzhou;

import java.util.Calendar;

import org.jraf.android.backport.switchwidget.SwitchPreference;

import android.app.AlarmManager;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
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.TextUtils;

public class QingzhouPreference extends PreferenceActivity {
  String mPrefKeyName;
  String mPrefKeyTimer;
  String mPrefKeyPasswordSwitcher;
  String mPrefKeyPassword;
  String mPrefKeyAbout;
  
  EditTextPreference mPrefName;
  Preference mPrefTimer;
  SwitchPreference mPrefPasswordSwitcher;
  ResetPasswordPreference mPrefPassword;
  Preference mPrefAbout;
  
  SharedPreferences mPrefs;
  
  OnSharedPreferenceChangeListener mListener;
  
  @Override
    public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    addPreferencesFromResource(R.xml.preference);
    
    getListView().setDivider(getResources().getDrawable(R.drawable.seprateline_dark));
    setTitle(getResources().getString(R.string.title_activity_settings));
    
    mPrefKeyName = getResources().getString(R.string.pref_key_name);
    mPrefKeyTimer = getResources().getString(R.string.pref_key_timer);
    mPrefKeyPasswordSwitcher = getResources().getString(R.string.pref_key_password_switcher);
    mPrefKeyPassword = getResources().getString(R.string.pref_key_password);
    mPrefKeyAbout = getResources().getString(R.string.pref_key_about);

    mPrefName = (EditTextPreference)findPreference(mPrefKeyName);
    mPrefTimer = findPreference(mPrefKeyTimer);
    mPrefPasswordSwitcher = (SwitchPreference)findPreference(mPrefKeyPasswordSwitcher);
    mPrefPassword = (ResetPasswordPreference)findPreference(mPrefKeyPassword);
    mPrefAbout = findPreference(mPrefKeyAbout);

    mPrefs = getPreferenceScreen().getSharedPreferences();
    mListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
      public void onSharedPreferenceChanged(SharedPreferences prefs,
          String key) {
        updateSettings(key);
      }
    };

    mPrefs.registerOnSharedPreferenceChangeListener(mListener);
    
    initSettings();
  }
  
  private void initSettings() {
    SharedPreferences pref = getSharedPreferences(MetaData.PREFS_NAME, MODE_PRIVATE);
    
    mPrefName.setSummary(MetaData.userName);
    mPrefName.setDefaultValue(MetaData.userName);
    mPrefName.setText(MetaData.userName);
    mPrefTimer.setSummary(mPrefs.getString(mPrefKeyTimer, "22:30"));
    
    mPrefPasswordSwitcher.setChecked(pref.getBoolean(MetaData.USE_PASSWORD, false));
    
    if (mPrefPasswordSwitcher.isChecked()) {
      mPrefPassword.setEnabled(true);
    } else {
      mPrefPassword.setEnabled(false);
    }
    
    mPrefAbout.setOnPreferenceClickListener( new OnPreferenceClickListener() {
      
      @Override
      public boolean onPreferenceClick(Preference preference) {
        AlertDialog dialog = new  AlertDialog.Builder(QingzhouPreference.this)
          .setTitle(QingzhouPreference.this.getResources().getString(R.string.about))
          .setPositiveButton(QingzhouPreference.this.getResources().getString(android.R.string.ok), null)
          .setMessage(MetaData.VERSION + "\n" + QingzhouPreference.this.getResources().getString(R.string.about_msg))
          .create();
        dialog.show();
        return true;
      }
    });
  }
  
  private void updateSettings(String key) {
    SharedPreferences pref = getSharedPreferences(MetaData.PREFS_NAME, MODE_PRIVATE);
    Editor editor = pref.edit();
    
    mPrefName.setSummary(mPrefs.getString(mPrefKeyName, "A name"));
    
    if (TextUtils.equals(key, mPrefKeyTimer)) {
      String newValue = mPrefs.getString(mPrefKeyTimer, "22:30");
      mPrefTimer.setSummary(newValue);
      
      String[] values = newValue.split(":");
      editor.putInt(MetaData.REMIND_HOUR, Integer.parseInt(values[0]));
      editor.putInt(MetaData.REMIND_MINUTE, Integer.parseInt(values[1]));
      
          Calendar c = Calendar.getInstance();
          c.set(Calendar.HOUR_OF_DAY, Integer.parseInt(values[0]));
          c.set(Calendar.MINUTE, Integer.parseInt(values[1]));
          c.set(Calendar.SECOND, 0);
          
          // get the AlarmManager instance   
          AlarmManager am= (AlarmManager) getSystemService(ALARM_SERVICE);  
          // create a PendingIntent that will perform a broadcast  
          PendingIntent pi= PendingIntent.getBroadcast(getApplicationContext(), 0, 
                    new Intent(getApplicationContext(),ReminderReciever.class), 0);  
          //change reminder
          am.setRepeating(AlarmManager.RTC_WAKEUP, c.getTimeInMillis()+MetaData.A_DAY_LONG_IN_MILL, 
                    MetaData.A_DAY_LONG_IN_MILL, pi);
    }
    
    if (TextUtils.equals(key, mPrefKeyPassword)) {
      String newValue = mPrefs.getString(mPrefKeyPassword, "");
      editor.putString(MetaData.PASSWORD, newValue);
    }

    MetaData.userName = mPrefs.getString(mPrefKeyName, "A name");
    MetaData.usePassword = mPrefs.getBoolean(mPrefKeyPasswordSwitcher, false);
    
    if (mPrefPasswordSwitcher.isChecked()) {
      mPrefPassword.setEnabled(true);
    } else {
      mPrefPassword.setEnabled(false);
    }
    
    editor.putString(MetaData.USER_NAME, MetaData.userName);
    editor.putBoolean(MetaData.USE_PASSWORD, MetaData.usePassword);
    editor.commit();
  }
  
  @Override
  public void finish() {
    super.finish();
    
    //activity switch animation
    overridePendingTransition(R.anim.push_left_in, R.anim.push_left_out);
  }
}

Java Source Code List

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