Using Shared Preferences in Android

Question

I have three activities, A, B & C. Where A is a splash Activity and B Contains Login screen which consist of user Id and Password Text Field and one button to login. When I

Answer 1

to use shared preference in android

public class SharedPref {

public static void setValue(String key, String value, Context context) {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    SharedPreferences.Editor editor = prefs.edit();
    editor.putString(key, value);
    editor.commit();
}

public static String getValue(String key, Context context) {
    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
    return preferences.getString(key, null);
}
 public static void setAlertDialog(Context mContext,String title,String message)
{
    AlertDialog alertDialog = new AlertDialog.Builder(mContext).create();
    alertDialog.setTitle(title);
    alertDialog.setMessage(message);
    alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL, "OK",
            new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {

                    dialog.dismiss();
                }
            });
    alertDialog.show();
}

}

and to set and get value from the class use following code

SharedPref.setConfig("key","value",Context);
SharedPref.getConfig("key",Context);
SharedPref.setAlertDialog(Context,"title","Content to print");