Android Open Source - callmeter Preferences

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License

The source code is released under:
GNU General Public License
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Java Source Code

package de.ub0r.de.android.callMeterNG;
// ww  w.  j av  a 2s.c o m
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;

/**
 * Preferences.
 * 
 * @author flx
 */
public class Preferences extends PreferenceActivity implements
    SharedPreferences.OnSharedPreferenceChangeListener {

  /** {@link Preference}: merge sms into calls. */
  private Preference prefMergeSMStoCalls = null;
  /** {@link Preference}: merge sms into plan 1. */
  private Preference prefMergeToPlan1 = null;
  /** {@link Preference}: plan1 - cost per call. */
  private Preference prefPlan1CostPerCall = null;
  /** {@link Preference}: plan2 - cost per call. */
  private Preference prefPlan2CostPerCall = null;
  /** Preference's name: theme. */
  private static final String PREFS_THEME = "theme";
  /** Theme: black. */
  private static final String THEME_BLACK = "black";
  /** Theme: light. */
  private static final String THEME_LIGHT = "light";
  /** Preference's name: textsize. */
  private static final String PREFS_TEXTSIZE = "textsize";
  /** Textsize: black. */
  private static final String TEXTSIZE_SMALL = "small";
  /** Textsize: light. */
  private static final String TEXTSIZE_MEDIUM = "medium";

  /**
   * Get Theme from Preferences.
   * 
   * @param context
   *            {@link Context}
   * @return theme
   */
  static final int getTheme(final Context context) {
    final SharedPreferences p = PreferenceManager
        .getDefaultSharedPreferences(context);
    final String s = p.getString(PREFS_THEME, THEME_BLACK);
    if (s != null && THEME_LIGHT.equals(s)) {
      return android.R.style.Theme_Light;
    }
    return android.R.style.Theme_Black;
  }

  /**
   * Get Textsize from Preferences.
   * 
   * @param context
   *            {@link Context}
   * @return theme
   */
  static final int getTextsize(final Context context) {
    final SharedPreferences p = PreferenceManager
        .getDefaultSharedPreferences(context);
    final String s = p.getString(PREFS_TEXTSIZE, TEXTSIZE_SMALL);
    if (s != null && TEXTSIZE_MEDIUM.equals(s)) {
      return android.R.style.TextAppearance_Medium;
    }
    return android.R.style.TextAppearance_Small;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public final void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    this.addPreferencesFromResource(R.xml.prefs);
    final SharedPreferences prefs = PreferenceManager
        .getDefaultSharedPreferences(this);
    prefs.registerOnSharedPreferenceChangeListener(this);
    this.prefMergeSMStoCalls = this
        .findPreference(Updater.PREFS_MERGE_SMS_TO_CALLS);
    this.prefMergeToPlan1 = this
        .findPreference(Updater.PREFS_MERGE_SMS_PLAN1);
    this.prefPlan1CostPerCall = this
        .findPreference(Updater.PREFS_PLAN1_COST_PER_CALL);
    this.prefPlan2CostPerCall = this
        .findPreference(Updater.PREFS_PLAN2_COST_PER_CALL);
    // run check on create!
    this.onSharedPreferenceChanged(prefs, Updater.PREFS_SPLIT_PLANS);
    this.onSharedPreferenceChanged(prefs, Updater.PREFS_PLAN1_FREEMIN);
    this.onSharedPreferenceChanged(prefs, Updater.PREFS_PLAN2_FREEMIN);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public final void onSharedPreferenceChanged(
      final SharedPreferences sharedPreferences, final String key) {
    if (key.equals(Updater.PREFS_SPLIT_PLANS)
        || key.equals(Updater.PREFS_MERGE_PLANS_SMS)
        || key.equals(Updater.PREFS_MERGE_PLANS_CALLS)
        || key.equals(Updater.PREFS_MERGE_SMS_TO_CALLS)) {
      final boolean b0 = sharedPreferences.getBoolean(
          Updater.PREFS_SPLIT_PLANS, false);
      final boolean b1 = sharedPreferences.getBoolean(
          Updater.PREFS_MERGE_PLANS_SMS, false);
      final boolean b2 = sharedPreferences.getBoolean(
          Updater.PREFS_MERGE_PLANS_CALLS, false);
      final boolean b3 = sharedPreferences.getBoolean(
          Updater.PREFS_MERGE_SMS_TO_CALLS, false);
      this.prefMergeSMStoCalls.setEnabled(!b0 || b1);
      this.prefMergeToPlan1.setEnabled(b0 && b1 && !b2 && b3);
    } else if (key.equals(Updater.PREFS_PLAN1_FREEMIN)) {
      final String s = sharedPreferences.getString(
          Updater.PREFS_PLAN1_FREEMIN, "");
      this.prefPlan1CostPerCall.setEnabled(s.length() == 0
          || Integer.parseInt(s) == 0);
    } else if (key.equals(Updater.PREFS_PLAN2_FREEMIN)) {
      final String s = sharedPreferences.getString(
          Updater.PREFS_PLAN2_FREEMIN, "");
      this.prefPlan2CostPerCall.setEnabled(s.length() == 0
          || Integer.parseInt(s) == 0);
    }
  }
}
Java Source Code List
