SharedPreferences.java

public class SharedRef {
 SharedPreferences ShredRef;

 public SharedRef(Context context){
 ShredRef=context.getSharedPreferences("myRef",Context.MODE_PRIVATE);
 }

 public void SaveData(String UserName,String Password){
 SharedPreferences.Editor editor=ShredRef.edit();
 editor.putString("UserName",UserName);
 editor.putString("Password",Password);
 editor.commit();
 }

 public String LoadData(){
 String FileContent="UserName:"+ShredRef.getString("UserName","No name");
 FileContent+=",Password:"+ShredRef.getString("Password","No Password");
 return FileContent;
 }

}