Android Shared Preference

 SharedPreferences sharedPref = getSharedPreferences("server", 0); // Here server is SharedPreferences name 
                SharedPreferences.Editor editor = sharedPref.edit();
                editor.putString("url",urltext); // url is key and urltext is String get from edit text  
                editor.putString("username",usernametext); // username is key and usernametext is String get from edit text  
                editor.putString("password",passwordtext); // password is key and passwordtext is String get from edit text  
                editor.commit();

       // For Get Shared Preference

        SharedPreferences mPrefs = getSharedPreferences("server",0);
       

        if (mPrefs.contains("url")) {
            String str = mPrefs.getString("url", "");
            urlsp.setText(str);
        }
        if (mPrefs.contains("username")) {
           
        }

        if (mPrefs.contains("password")) {

        }