Android Open Source - AerisAndroidLibrary Pref Manager

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License

The source code is released under:

Apache License

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Java Source Code

package com.example.preference;
/*from  ww  w .j a  v  a  2 s  .com*/
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import com.example.demoaerisproject.R;

public class PrefManager {

  public static final String NTF_TIMESTAMP_KEY = "ntf_timestamp_key";
  private static final String PREFERENCES = "aeris_preferences";
  private static final String TIMESTAMP = "_timestamp";
  private static final long TEN_MINUTES = 1000 * 60 * 10;

  public static boolean setPreference(Context context, String key,
      String value) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    Editor editor = prefs.edit();
    editor.putString(key, value);
    editor.putLong(key + TIMESTAMP, System.currentTimeMillis());
    return editor.commit();
  }

  public static String getPreference(Context context, String key) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    return prefs.getString(key, null);

  }

  public static boolean isPreferenceFresh(Context context, String key) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    long delta = System.currentTimeMillis()
        - prefs.getLong(key + TIMESTAMP, 0);
    return delta < TEN_MINUTES;

  }

  public static long getPreferenceTimestamp(Context context, String key) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    return prefs.getLong(key + TIMESTAMP, 0);

  }

  public static long getLongPreference(Context context, String key) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    return prefs.getLong(key, 0);
  }

  public static void setLongPreference(Context context, String key, long value) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    Editor editor = prefs.edit();
    editor.putLong(key, value);
    editor.commit();
  }

  public static boolean setPreference(Context context, String key,
      boolean value) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    Editor editor = prefs.edit();
    editor.putBoolean(key, value);
    return editor.commit();
  }

  public static boolean getBoolPreference(Context context, String key) {
    SharedPreferences prefs = context.getSharedPreferences(PREFERENCES,
        Context.MODE_PRIVATE);
    // default the ntf pref to true
    if (context.getString(R.string.pref_ntf_enabled).equals(key)) {
      return prefs.getBoolean(key, true);
    } else {
      return prefs.getBoolean(key, false);
    }

  }

}

Java Source Code List