workspace/TrainDelayed/src/com/td/utility/PrefUtilImpl.java

   1 package com.td.utility;\r
   2 \r
   3 import android.content.Context;\r
   4 import android.content.SharedPreferences;\r
   5 import android.content.SharedPreferences.Editor;\r
   6 \r
   7 public class PrefUtilImpl implements PrefUtil {\r
   8         private Context context;\r
   9         \r
  10         public PrefUtilImpl(Context context){\r
  11                 this.context = context;\r
  12         }\r
  13         \r
  14         public void put(String key, String value) {\r
  15                 SharedPreferences pref = context.getSharedPreferences("com.td",\r
  16                                 Context.MODE_WORLD_READABLE | Context.MODE_WORLD_WRITEABLE);\r
  17                 Editor e = pref.edit();\r
  18                 e.putString(key, value);\r
  19                 e.commit();\r
  20         }\r
  21 \r
  22         public void put(String key, int value) {\r
  23                 put(key, String.valueOf(value));\r
  24         }\r
  25         \r
  26         public String get(String key) {\r
  27                 SharedPreferences pref = context.getSharedPreferences("com.td",\r
  28                                 Context.MODE_WORLD_READABLE);\r
  29                 return pref.getString(key, null);\r
  30         }\r
  31 \r
  32         public int getInt(String key) {\r
  33                 return Integer.parseInt(get(key));\r
  34         }\r
  35 \r
  36         public String get(String key, String initValue) {\r
  37                 String value = get(key);\r
  38                 if (value != null){\r
  39                         return value;\r
  40                 }\r
  41                 put(key, initValue);\r
  42                 return initValue;\r
  43         }\r
  44         \r
  45         public int getInt(String key, int initValue) {\r
  46                 return Integer.valueOf(get(key, String.valueOf(initValue)));\r
  47         }\r
  48         \r
  49         public void remove(String key){\r
  50                 put(key, null);\r
  51         }\r
  52 }\r