How to use

setCachePolicy

method

in

com.avos.avoscloud.AVQuery

 public void findFriendsWithCachePolicy(AVQuery.CachePolicy cachePolicy, FindCallback<LeanchatUser>
   findCallback) {
  AVQuery<LeanchatUser> q = null;
  try {
   q = followeeQuery(LeanchatUser.class);
  } catch (Exception e) {
  }
  q.setCachePolicy(cachePolicy);
  q.setMaxCacheAge(TimeUnit.MINUTES.toMillis(1));
  q.findInBackground(findCallback);
 }
}

  public void findFriendsWithCachePolicy(AVQuery.CachePolicy cachePolicy, FindCallback<LeanchatUser>
      findCallback) {
    AVQuery<LeanchatUser> q = null;
    try {
      q = followeeQuery(LeanchatUser.class);
    } catch (Exception e) {
    }
    q.setCachePolicy(cachePolicy);
    q.setMaxCacheAge(TimeUnit.MINUTES.toMillis(1));
    q.findInBackground(findCallback);
  }
}

private UpdateInfo getNewestUpdateInfo() throws AVException {
 AVQuery<UpdateInfo> query = AVObject.getQuery(UpdateInfo.class);
 query.setLimit(1);
 query.orderByDescending(UpdateInfo.VERSION);
 if (policy != null) {
  query.setCachePolicy(policy);
 }
 List<UpdateInfo> updateInfos = query.find();
 if (updateInfos.size() > 0) {
  return updateInfos.get(0);
 }
 return null;
}

q.whereContainedIn(Constants.OBJECT_ID, uncachedIds);
q.setLimit(1000);
q.setCachePolicy(AVQuery.CachePolicy.NETWORK_ELSE_CACHE);
q.findInBackground(new FindCallback<LeanchatUser>() {
 @Override

q.whereContainedIn(AppConstant.OBJECT_ID, uncachedIds);
q.setLimit(1000);
q.setCachePolicy(AVQuery.CachePolicy.NETWORK_ELSE_CACHE);
q.findInBackground(new FindCallback<LeanchatUser>() {
 @Override

/**
 * 从 server 获取未读消息的数量
 */
public void countUnreadRequests(final CountCallback countCallback) {
 AVQuery<AddRequest> addRequestAVQuery = AVObject.getQuery(AddRequest.class);
 addRequestAVQuery.setCachePolicy(AVQuery.CachePolicy.NETWORK_ONLY);
 addRequestAVQuery.whereEqualTo(AddRequest.TO_USER, LeanchatUser.getCurrentUser());
 addRequestAVQuery.whereEqualTo(AddRequest.IS_READ, false);
 addRequestAVQuery.countInBackground(new CountCallback() {
  @Override
  public void done(int i, AVException e) {
   if (null != countCallback) {
    unreadAddRequestsCount = i;
    countCallback.done(i, e);
   }
  }
 });
}

private void loadMoreFriend(int skip, final int limit, final boolean isRefresh) {
 AVQuery<LeanchatUser> q = LeanchatUser.getQuery(LeanchatUser.class);
 q.whereContains(LeanchatUser.USERNAME, searchName);
 q.limit(Constants.PAGE_SIZE);
 q.skip(skip);
 LeanchatUser user = LeanchatUser.getCurrentUser();
 List<String> friendIds = new ArrayList<String>(FriendsManager.getFriendIds());
 friendIds.add(user.getObjectId());
 q.whereNotContainedIn(Constants.OBJECT_ID, friendIds);
 q.orderByDescending(Constants.UPDATED_AT);
 q.setCachePolicy(AVQuery.CachePolicy.NETWORK_ELSE_CACHE);
 q.findInBackground(new FindCallback<LeanchatUser>() {
  @Override
  public void done(List<LeanchatUser> list, AVException e) {
   UserCacheUtils.cacheUsers(list);
   recyclerView.setLoadComplete(null == list ? null : list.toArray(), false);
   if (null != e) {
    showToast(e.getMessage());
   }
  }
 });
}

public void findAddRequests(int skip, int limit, FindCallback findCallback) {
 LeanchatUser user = LeanchatUser.getCurrentUser();
 AVQuery<AddRequest> q = AVObject.getQuery(AddRequest.class);
 q.include(AddRequest.FROM_USER);
 q.skip(skip);
 q.limit(limit);
 q.whereEqualTo(AddRequest.TO_USER, user);
 q.orderByDescending(AVObject.CREATED_AT);
 q.setCachePolicy(AVQuery.CachePolicy.NETWORK_ELSE_CACHE);
 q.findInBackground(findCallback);
}

q.setCachePolicy(AVQuery.CachePolicy.NETWORK_ELSE_CACHE);
q.findInBackground(new FindCallback<LeanchatUser>() {
 @Override