SharedPreferences 사용법

@Override
protected void onPause() {
    super.onPause();
    
    SharedPreferences pref = getSharedPreferences("pref", Activity.MODE_PRIVATE);
    SharedPreferences.Editor editor = pref.edit();
    editor.putString("name", editText.getText().toString());
    editor.commit();
}

@Override
protected void onResume() {
    super.onResume();
    
    SharedPreferences pref = getSharedPreferences("pref", Activity.MODE_PRIVATE);
    if (pref != null) {
        String name = pref.getString("name", "");
        editText.setText(name);
    }
}