public void deleteAll(bool isRealDeleteAll)
{
if (isRealDeleteAll)
{
preferences.deleteAll();
}
else
{
List <string> dontDeleteKeyList = preferences.getObject <List <string> >(DONT_DELETE_LIST_KEY);
if (dontDeleteKeyList == null || dontDeleteKeyList.Count == 0)
{
preferences.deleteAll();
}
else
{
List <DontDeleteDataItem> saveDontDeleteList = new List <DontDeleteDataItem>();
foreach (string key in dontDeleteKeyList)
{
DontDeleteDataItem dontDeleteDataItem = preferences.getObject <DontDeleteDataItem>(key);
saveDontDeleteList.Add(dontDeleteDataItem);
}
preferences.deleteAll();
dontDeleteKeyList.Clear();
foreach (DontDeleteDataItem item in saveDontDeleteList)
{
preferences.saveObject(item.key, item);
dontDeleteKeyList.Add(item.key);
}
preferences.saveObject(DONT_DELETE_LIST_KEY, dontDeleteKeyList);
}
}
}
public T getSpecialObject <T>(string key)
{
DontDeleteDataItem item = preferences.getObject <DontDeleteDataItem>(key);
if (item == null || string.IsNullOrEmpty(item.itemInfo))
{
return(default(T));
}
T result = mJsonUtils.String2Json <T>(item.itemInfo);
return(result);
}
public bool saveSpecialObject <T>(string key, T value)
{
DontDeleteDataItem oldDontDeleteDataItem = null;
try{
string strValue = mJsonUtils.Json2String(value);
DontDeleteDataItem item = new DontDeleteDataItem();
item.key = key;
item.itemInfo = strValue;
List <string> dontDeleteList = preferences.getObject <List <string> >(DONT_DELETE_LIST_KEY);
if (dontDeleteList == null)
{
dontDeleteList = new List <string>();
}
if (dontDeleteList.Contains(key))
{
oldDontDeleteDataItem = preferences.getObject <DontDeleteDataItem>(key);
}
else
{
dontDeleteList.Add(key);
preferences.saveObject(DONT_DELETE_LIST_KEY, dontDeleteList);
}
preferences.saveObject(key, item);
}catch (Exception e) {
if (oldDontDeleteDataItem == null)
{
List <string> dontDeleteList = preferences.getObject <List <string> >(DONT_DELETE_LIST_KEY);
dontDeleteList.Remove(key);
preferences.saveObject(DONT_DELETE_LIST_KEY, dontDeleteList);
preferences.deleteObject(key);
}
else
{
preferences.saveObject(key, oldDontDeleteDataItem);
}
return(false);
}
return(true);
}