android SharedPreferences的事例

private void writeInfo()
 {
  SharedPreferences sp = this.getSharedPreferences("demo", MODE_PRIVATE);
  //得到编辑对象
  SharedPreferences.Editor edit = sp.edit();
  edit.putString("name", "admin");
     edit.commit(); 
 }
 
 private void readInfo()
 {
  SharedPreferences sp = this.getSharedPreferences("demo", MODE_PRIVATE);
  //默认值
  String defaultValue = "";
  String value = sp.getString("name", defaultValue);
 }