SharedPreferences 사용법

간단한 읽고, 쓰기

 

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//load   private SharedPreferences appData;   protected void onCreate(Bundle savedInstanceState) {           appData  = getSharedPreferences("map", MODE_PRIVATE); }   //읽기 public void btnReadClick(View view) {   String value = appData.getString("walkthrough", "");//""인 기본 값   if (value.equals("")) {           intent = new Intent(getApplicationContext(), OnBoardingActivity.class);           startActivity(intent);   } }     //쓰기 public void btnWriteClick(View view) {   SharedPreferences.Editor editor = appData.edit();   editor.putString("walkthrough", "test");   editor.apply();   Toast.makeText(this, "설정값 초기화", Toast.LENGTH_SHORT).show(); }

 

 

getString이외에  getInt, getBoolean도 있음.