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Showing posts from November, 2011

Use of Shared Preferences in Android

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For Data Storage Android provides number of ways . Shared Preferences is one of them. We can save primitive data in key-value pairs and reuse it across multiple Activities. The SharedPreferences class provides a general framework that allows to save and retrieve persistent key-value pairs of primitive data types. This data exists even the Application is killed. Steps: 1) To get the Object of SharedPreferences use :   SharedPreferences sharedPrefs = this.getSharedPreferences("newPrefs",MODE_WORLD_READABLE);  In getSharedPreferences() just put the file name and the mode. 2)To write some data use :         SharedPreferences.Editor prefsEditor = sharedPrefs.edit(); 3)Simple put the data :         prefsEditor.putString(MY_NAME, "Subrat Mohanty");         prefsEditor.putString(MY_ID, "E3141");         prefsEditor.putBoolean(MY_STATUS, true); 4)Commi...