SharedPreferences通常用來存儲簡易數據,以key-value的形式進行數據存儲,最常見的是用來記住用戶名和密碼:
存儲數據:
SharedPreferences settings = getSharedPreferences("setting", 0);
SharedPreferences.Editor editor = settings.edit();
//存儲用戶名
editor.putString("UserName","admin");
//密碼
editor.putString("UserPwd","123");
editor.commit();
取出數據:
SharedPreferences settings1 = getSharedPreferences("setting", 0);
String userName=settings1.getString("UserName", "");
String pwd=settings1.getString("UserPwd", "");