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有关通知的简单使用
//发送通知
NSNotification *updateNotifi = [NSNotification notificationWithName:notification_name_update_push object:nil];
[[NSNotificationCenter defaultCenter] postNotification:updateNotifi];
NSNotification *updateNotifi = [NSNotification notificationWithName:notification_name_update_push object:nil];
[[NSNotificationCenter defaultCenter] postNotification:updateNotifi];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(addFavWork) name:@"add_stylist_work" object:nil];
//没有收藏,则收藏
AppStatus *as = [AppStatus sharedInstance];
if([as.user hasAddFavWork:self.work.id]){
self.collectImage.image = hasAddWork;
}else{
isOperateWork = YES;
[[UserStore sharedStore] addFavWork:^(NSError *err) {
if (err == nil) {
[[StylistWorkStore sharedStore] getStylistWorkList:^(Page *page, NSError *err) {
isOperateWork = NO;
[SVProgressHUD showSuccessWithStatus:@"收藏成功!" duration:1.0];
self.collectImage.image = hasAddWork;
self.numOfCollect.text = [NSString stringWithFormat:@" 有%d个用户收藏了该作品",++self.work.collectedCount];
[[NSNotificationCenter defaultCenter] postNotificationName:@"operate_work" object:nil];
[MobClick event:log_event_name_add_fav_work attributes:[NSDictionary dictionaryWithObjectsAndKeys:@(self.work.stylist.id), @"作品", nil]];
} url:as.user.idStr refresh:YES];
}else{
[SVProgressHUD showErrorWithStatus:@"收藏失败,请稍后再试!" duration:1.0];
isOperateWork = NO;
}
} userId:as.user.idStr workId:self.work.id];
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:@(self.work.id), @"作品id", nil];
[MobClick event:log_event_name_add_fav_work attributes:dict];
}
}
-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{
[self driveScrollView:scrollView lastOffsetY:lastOffsetY scrollViewHeight:scrollViewHeight topView:self.header];
lastOffsetY = scrollView.contentOffset.y;
}
-(void)driveScrollView:(UIScrollView *)scrollView lastOffsetY:(float)_lastOffsetY scrollViewHeight:(float)_scrollViewHeight topView:(UIView *)view{
if (scrollView.contentOffset.y > 0 && scrollView.contentOffset.y < (scrollView.contentSize.height - scrollView.frame.size.height) && scrollView.contentSize.height > (view.frame.size.height + _scrollViewHeight + general_margin)) {
if (_lastOffsetY - scrollView.contentOffset.y > 0 && _lastOffsetY < (scrollView.contentSize.height - scrollView.frame.size.height)) {//下拉
if (view.frame.origin.y != 0) {
[UIView animateWithDuration:0.5 animations:^{
view.frame = CGRectMake(0, 0, screen_width, view.frame.size.height);
scrollView.frame = CGRectMake(0, view.frame.size.height, screen_width,_scrollViewHeight);
}];
}
}else if (_lastOffsetY - scrollView.contentOffset.y < 0){//上推
if (view.frame.origin.y != -view.frame.size.height) {
[UIView animateWithDuration:0.5 animations:^{
view.frame = CGRectMake(0, -view.frame.size.height - splite_line_height, screen_width, view.frame.size.height);
scrollView.frame = CGRectMake(0, 0, screen_width, _scrollViewHeight+view.frame.size.height);
}];
}
}
}
}
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