Android Open Source - VirginMobileMinutesChecker Preferences Util

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License

The source code is released under:
Copyright 2011 Jay Goel. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Red...
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Java Source Code

package com.baker.vm;
/*from  w  w w. ja v  a  2 s .  c  om*/
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.preference.PreferenceManager;
import android.telephony.TelephonyManager;
import android.text.format.DateFormat;

import com.jaygoel.virginminuteschecker.R;

import com.baker.vm.ui.MultipleAccountsActivity;

public final class PreferencesUtil
{
    private PreferencesUtil()
    {

    }

    /** Keys for different preferences. */
    public static final String AUTH_PREFS = "loginInfo";
    public static final String CACHE_PREFS = "cache";
    public static final String FLAG_VERSION_MESSAGE = "shownVersionMessage";
    /** Keys in cache preferences. */
    public static final String CACHE_TS = "cache_timestamp";
    public static final String CACHE_AS_STRING = "cache_as_string";
    public static final String CACHE_MINUTES_USED = "cache_minutes_used";
    public static final String CACHE_MINUTES_TOTAL = "cache_minutes_total";
    public static final String CACHE_BALANCE = "cache_balance";
    public static final String CACHE_DUE_DATE = "cache_due_date";

    /** Keys in auth preferences. */
    public static final String USER_PREFIX = "USER";
    public static final String PASS_PREFIX = "PASS";
    
    /** Keys for settings. */
    public static final String SETTINGS_INBOUND_CALL = "prefs_incomingCallPref";
    public static final String SETTINGS_OUTBOUND_CALL = "prefs_outgoingCallPref";
    public static final String SETTINGS_APP_NAME = "prefs_appNamePref";
    public static final String SETTINGS_SHOW_GRAPH = "prefs_showGraphPref";
    public static final String SETTINGS_SHOW_ADS = "prefs_showAdsPref";

    public static SharedPreferences get(final Context context)
    {
        return context.getSharedPreferences(AUTH_PREFS, 0);
    }
    
    public static SharedPreferences getPrefs(final Context context)
    {
      return PreferenceManager.getDefaultSharedPreferences(context);
    }

    public static VMAccount getCachedAccount(final Context activity)
    {
      final SharedPreferences cache = getCache(activity);

      final String phoneNumber = getDefaultTelephoneNumber(activity);
      final String pass = getPassword(activity, phoneNumber);

      return VMAccount.createFromCache(new UsernamePassword(phoneNumber, pass),
          cache.getString(CACHE_AS_STRING, ""),
          cache.getString(CACHE_DUE_DATE, ""));
    }

    public static SharedPreferences getCache(final Context activity)
    {
        return activity.getSharedPreferences(CACHE_PREFS, 0);
    }

    public static String getBalance(final Context context)
    {
        return getCache(context).getString(CACHE_BALANCE, "");
    }

    public static String getMinutesString(final Context activity)
    {
        return getCache(activity).getString(CACHE_AS_STRING, "");
    }

    public static int getMinutesUsed(final Context activity)
    {
        return getCache(activity).getInt(CACHE_MINUTES_USED, -1);
    }

    public static int getCacheMinutesTotal(final Context activity)
    {
        return getCache(activity).getInt(CACHE_MINUTES_TOTAL, -1);
    }

  public static String getDueDate(final Context context)
  {
        return getCache(context).getString(CACHE_DUE_DATE, "");
  }
  
  public static boolean getInboundCall(final Context context)
  {
    return getPrefs(context).getBoolean(SETTINGS_INBOUND_CALL, true);
  }
  
  public static boolean getOutboundCall(final Context context)
  {
    return getPrefs(context).getBoolean(SETTINGS_OUTBOUND_CALL, true);
  }
  
  public static boolean getAppName(final Context context)
  {
    return getPrefs(context).getBoolean(SETTINGS_APP_NAME, true);
  }
  
  public static boolean getShowGraph(final Context context)
  {
    return getPrefs(context).getBoolean(SETTINGS_SHOW_GRAPH, true);
  }

  public static boolean getShowAds(final Context context)
  {
    return getPrefs(context).getBoolean(SETTINGS_SHOW_ADS, true);
  }

  public static String getShownVersionMessage(final Context context)
  {
    return getPrefs(context).getString(FLAG_VERSION_MESSAGE, "");
  }

  public static void clearCache(final Context context)
    {
        final SharedPreferences cache = getCache(context);

        final Editor editor = cache.edit();

        editor.putString(CACHE_AS_STRING, "");
        editor.putInt(CACHE_MINUTES_USED, -1);
        editor.putInt(CACHE_MINUTES_TOTAL, -1);

        editor.putString(CACHE_DUE_DATE, "");
        editor.putString(CACHE_BALANCE, "");
    }

    public static void setCache(final Context activity, final VMAccount account)
    {
      // only ever save the default phone number info in the cache
      if (!digits(getDefaultTelephoneNumber(activity)).equals(digits(account.getNumber())))
      {
        return;
      }

        final SharedPreferences cache = getCache(activity);

        final Editor editor = cache.edit();

        // Handle minutes used
        final String minutes = account.getMinutesUsed();
        editor.putString(CACHE_AS_STRING, minutes);

        editor.putInt(CACHE_MINUTES_USED, account.getMinutesUsedInt());
        editor.putInt(CACHE_MINUTES_TOTAL, account.getMinutesTotal());

        // Handle account balance
        editor.putString(CACHE_BALANCE, account.getBalance());

        // Handle due date
        editor.putString(CACHE_DUE_DATE, account.getChargedOn());

        editor.putLong(CACHE_TS, System.currentTimeMillis());


        editor.commit();
    }

  public static String getDefaultTelephoneNumber(final Context c)
    {
        final TelephonyManager tMgr =
            (TelephonyManager) c.getSystemService(Context.TELEPHONY_SERVICE);

        final String number = tMgr.getLine1Number();
        return number == null ? "" : number;
    }

    public static void setAuth(final Context a, final UsernamePassword auth)
    {
        final SharedPreferences prefs = get(a);

        final Editor editor = prefs.edit();
        editor.putString(getPrefUserKey(auth), auth.user);
        editor.putString(getPrefPassKey(auth), auth.pass);
        editor.commit();
    }

    public static void removeNumber(final Context a, final String number)
    {
        final SharedPreferences prefs = get(a);

        final Editor editor = prefs.edit();
        editor.remove(getPrefUserKey(number));
        editor.remove(getPrefPassKey(number));
        editor.commit();
    }

    public static String getPassword(final Context a, final String phoneNumber)
    {
        return get(a).getString(getPrefPassKey(phoneNumber), null);
    }

    public static boolean containsNumber(final Context a, final String number)
    {
        return get(a).contains(getPrefUserKey(number));
    }

    public static boolean isUserPref(final String key)
    {
        if (key.startsWith(USER_PREFIX))
        {
            return true;
        }
        return false;
    }

    public static boolean isPasswordPref(final String key)
    {
        if (key.startsWith(PASS_PREFIX))
        {
            return true;
        }
        return false;
    }

    private static String getPrefUserKey(final UsernamePassword acct)
    {
        return getPrefUserKey(acct.user);
    }

    protected static String getPrefUserKey(final String phoneNumber)
    {
        return getPrefKey(USER_PREFIX, phoneNumber);
    }

    private static String getPrefPassKey(final UsernamePassword acct)
    {
        return getPrefPassKey(acct.user);
    }

    private static String getPrefPassKey(final String phoneNumber)
    {
        return getPrefKey(PASS_PREFIX, phoneNumber);
    }

    private static String getPrefKey(final String prefix, final String phoneNumber)
    {
        return prefix + MultipleAccountsActivity.digits(phoneNumber);
    }

    public static CharSequence getTimestamp(final Context context)
    {
        return DateFormat.format("E hh:mm aa", getCache(context).getLong(CACHE_TS, 0));
    }

    private static String digits(final String phoneNumber)
  {
    return MultipleAccountsActivity.digits(phoneNumber);
  }

}
Java Source Code List
